Top 28 4000mAh Power Banks on Amazon (Verified You can Buy)
Top 1
Best for 40000mAh
65W Power Bank 40000mAh, Laptop Portable Charger Fast Charging with LED Light, High Capacity External Battery for Camping & Travel, Compatible with MacBook, iPhone, Steam Deck
REWONDER
FP-3
4.83 x 1.97 x 2.09 inches
Ratings for REWONDER (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| RUIHEKEJI | - | ❌ | ❌ | ❌ |
Features
65W Fast Charging Power Bank for Laptop & Phones: Delivers 65W fast charging via a single USB-C port to quickly power laptops like MacBook and Dell. The 4-port design lets you charge your laptop, iPhone, tablet, and other devices simultaneously.
40000mAh Power Bank with 4 Ports & Display: This high capacity power bank features a 40000mah (154Wh) battery with fast charging support via two 65W USB-C and two 22.5W USB-A ports. The smart digital display shows exact remaining power. Your all-in-one portable charger for extended use.
Top 2
DEWBU Mini Portable Charger, 4000mAh Ultra Slim Lightweight Power Bank with Battery Level Indicator and USB-C Port for Travel, Compatible with iPhone, iPad, Samsung Galaxy, Android, and Heated Gloves
DEWBU
DB-0322
Ratings for DEWBU (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| dewbuDirect | - | ❌ | ❌ | ❌ |
Features
Ultra-Compact & Slim: DEWBU 4000mAh mini portable charger has adopted high-quality internal battery cells, so it is only 3.0*2.0*0.56 inches, which is even smaller than a credit card, you can put this slim portable charger in your pocket or handbag easily.
Battery Level Display: There is an easy-to-use power button with four blue light indicators that show the remaining power and charging status.
Top 3
Best for 2600mAh
Miady 2-Pack Portable Charger PD 22.5W Power Bank 20000mAh Battery Pack
Miady
AS-TPB22
1.8298 Pounds
Ratings for Miady (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Miady | 2,167 | ❌ | ❌ | ❌ |
Features
Power 3 Devices at Once—No More Waiting! This powerful portable charger lets you charge up to 3 devices at once—perfect for your phone, tablet, and earbuds all at the same time. Whether you are traveling, commuting, or just tackling a busy day, you'll never have to choose which gadget gets power first. Equipped with dual USB-A ports and a USB-C port, it delivers smart and safe charging to virtually any device. Slim, reliable, this is the ultimate sidekick for students, remote workers, gamers.
22.5W Fast Charging: Get back to full power faster! With 22.5W high-speed charging, this power bank refuels your compatible smartphone up to 55% in just 30 minutes. Perfect for on-the-go users who need speed, reliability, and full power fast.
Eliegntist Portable Charger 50000mAh Power Bank, PD 30W Fast Charging External Battery Pack,High Capacity External Battery Pack for Camping, Portable Phone Charger for iPhone Samsung Android
Eliegntist
P400C
6.8 x 2.95 x 1.4 Inches
Ratings for Eliegntist (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Woot | 118 | ❌ | ❌ | ❌ |
Features
Huge Capacity 50000mAh Portable Charger : The 50000mAh power bank ultra-high massive capacity will keep your phone and other device running for many days！Providing 11 charges for an iPhone 17 Pro and 8 charges for a Samsung Galaxy S22. Most smartphones can get over 9 full charges, making it ideal for camping, hiking, vacation, and travel
Latest PD 30W High-Speed Charging : The power bank supports PD 30W output and QC4.0 for quick charging, delivering 61% charge to your iPhone in just 30 minutes. It can be fully recharged in 9 hours with a 5V 3.0A charger (not included)
Portable Charger Power Bank 40000mah, USB C Fast Charging 22.5W External Battery Pack Phone Charger Quick Charge with 3 Outputs & 2 Inputs for iPhone 16/15 Samsung Android Camping Travel Essentials
RONEGN
GN4
5.0 x 3.0 x 1.0 inches
Ratings for RONEGN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| RONEGN-US | - | ❌ | ❌ | ❌ |
Features
Latest USB C (22.5W) and iOS (20W) Super Fast Charging Power Bank, 3 Times Faster : The RONEGN usb c battery pack features the latest chipset supporting a range of fast-charging protocols, including PD4.0 and QC4.0. With a maximum output power of 22.5W and an input power of 20W, portable charger can charge an iPhone 15 from 0% to 60% in just 30 minutes, up to 3 times faster than most traditional portable phone charger
40000mah Large Capacity Power Bank : 40000mAh portable charger power bank huge capacity. Whether you're camping traveling or even in the event of hurricane disaster a power outage at home, the RONEGN 27000mAh usb battery bank ensures you always have reliable power! (IMPORTANT: 40000MAH POWER BANK ARE NOT ALLOWED ON AIRPLANE)
Top 6
Best Portable Power Banks
Best for USB Type A
Best for High Capacity
Best for Leather
Best for 30000mAh
Best for 40000mAh
Best for 8000mAh
Best for 2600mAh
Best for iPhone X
Best for Samsung Wireless
Portable Charger Power Bank 40800mAh with 3 Built-in Cables,25W Fast Phone Charging Portable Battery Pack,5 Outputs Travel Essentials Outdoor External Battery for iPhone 17/16,Galaxy Android etc-Black
LanLuk
T3
0.6614 pounds
Ratings for LanLuk (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| LanLukDirect | - | ❌ | ❌ | ❌ |
Features
[40,800mAh Large Capacity Power Bank]: A massive 40,800mAh capacity with over 2,000 charge cycles and cables tested for 30,000+ bends, this portable charger provides multiple full charges for your devices and is built to last for years of reliable service. It is an essential for long travel and outdoor camping. From blackouts to storms, the lanluk power bank keeps you powered through crises.
【Warm Tip】Size:150*68*30mm (5.90*2.67*1.18in) ,Weight about 410g/14.5oz<1lb. The perfect on-the-go partner for outdoor trips. The portable charger battery cannot be carried on flights.
Top 7
SABANI Portable Charger 35000mAh Power Bank, 4 Built in Cable Big Capacity
SABANI
N6
5.5 x 2.85 x 0.75 Inches
Ratings for SABANI (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| cqxu Power Tech | - | ❌ | ❌ | ❌ |
Features
Widely Compatibility Power Bank with Built-in Cables: N6 USB C portable charger has 4 built-in cables (iOS, Type C, USB A, Micro) and 3 Charging ports (USB A 1/2, Type C), Compatible with nearly all smart devices on the market, including iPhone 17/16/15/14/13/12/11 series, XR, XS Max, Samsung S24/S23/S22/S21/S20, A52, A32, Z Fold and Z Flip series, Google Pixel series, other Android phones, iPads, tablets, and more.
All in One Portable Charger: Portable powerbank has 6 outputs and 2 inputs, you may charge 6 devices max at the same time and recharge battery pack easily with 2 options (USB A cable, USB C port), which is great for multi electronic devices users.The upgraded USB-C port functions as both input and output, making it perfectly compatible with the latest iPhones, iPads, and all upcoming USB-C devices. No more need to carry multiple cables on the go — say goodbye to the hassle of tangled charging cables!
Portable Charger 60000mAh Power Bank - 22.5W Fast Charging External Battery Pack, LED Display USB C Portable Cell Phone Charger for iPhone, Samsung Galaxy, Android, Camping, Travel Black
Nuxgal Power
CA5-6
6.0 x 1.5 x 3.5 inches
Ratings for Nuxgal Power (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Aterob US | - | ❌ | ❌ | ❌ |
Features
Huge Capacity 60000mAh Power Bank: The portable charger ultra high massive capacity will keep your phone and other device running for many days! Ideal for traveling, camping and hiking with full phone battery
Huge Capacity 60000mAh Power Bank: The portable charger ultra high massive capacity will keep your phone and other device running for many days! Ideal for traveling, camping and hiking with full phone battery
Miady 2-Pack 20000mAh Portable Charger Power Bank, Dual USB Output and USB-C Input, Fast Charging Battery Pack Charger for iPhone X, Galaxy S9, Pixel 3 and etc
Miady
AS-TPB22
11.02 x 5.28 x 0.79 inches
1.5961 Pounds
Ratings for Miady (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Miady | 2,167 | ✅ | ✅ | ✅ |
Features
【2-Pack 20000mAh Portable Charger】Each portable phone charger holds a massive 20100mAh battery in a relatively small case so these battery pack chargers can easily recharge your phone several times and still have some charge left. Fully charges 5.1 times for iPhone 11, 7 times for iPhone 8 and 4.6 times for Samsung Galaxy S10.
【Speedy Charging & Refill】Two standard USB charging ports for simultaneously juicing up two phones while you’re away from a plug socket, each port charges at 5V/2.1A. Also it has a Micro USB port and an USB-C port for refilling the battery packs, please keep in mind that you need a 5V/2A plug so you can fully recharge them in only 9 hrs.
Top 10
Best for Universal
Best for Iniu
Best for LED
Best for Heavy Duty
Best for Dustproof
Best for Holder
Best for High Capacity
Best for Slim
Best for Rugged
Best for Metal
Best for Leather
Best for 30000mAh
Best for 8000mAh
Best for 6000mAh
Best for 2600mAh
Best for iPhone
Best for iPhone XR
Best for iPhone XS Max
Best for iPhone X
Best for Pocket-size
Best for Flashlight
Best for Samsung 20000mAh
Best for Iniu 20000mAh
Best for Asus
Best for HTC
Best for Honor
Best for Apple iPhone
INIU Smallest 20000mAh Power Bank, 22.5W PD Fast Charging Portable Charger with Detachable Cable, Flight-Safe Battery Pack with LED Display for Travel Xiaomi iPhone 17 16 Samsung S26 Google iPad etc
INIU
P512
4.1 x 2.8 x 1.2 Inches
Ratings for INIU (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| INIU Innovations Inc. | - | ❌ | ❌ | ❌ |
Features
[POCKET-SIZE 20000mAh.] Massive power for your pocket. Note: True 20,000mAh requires solid, high-density cells (approx. 11 oz). This portable charger is built incredibly dense to deliver 4 full phone charges without the bulk.
[DETACHABLE NYLON LANYARD.] Forget extra cords. The built-in USB-C cable acts as a convenient lanyard. Woven with ultra-durable nylon, it outlasts standard plastic by 3X. (Apple users can easily plug into the extra ports).
Top 11
Best for USB-C
Best for Heavy Duty
Best for Dustproof
Best for High Capacity
Best for Leather
Best for 30000mAh
Best for 40000mAh
Best for 12V
Best for Anker 20000mAh
Best for Asus
Best for HTC
Best for Honor
UGREEN Power Bank 25,000mAh 145W Laptop Portable Charger, Nexode 3-Port USB C PD Battery Pack, for MacBook Pro/Air, Dell XPS, iPhone 17/16/15/14, Galaxy S26 Steam Deck, iPad, and More
UGREEN
PB205
6.2992 x 3.1811 x 1.0512 inches
1.1133 Pounds
Ratings for UGREEN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| UGREEN GROUP LIMITED | 196 | ❌ | ❌ | ❌ |
Features
Ultra-Fast 145W Charging: With PD3.1 and QC3.0, deliver a total of 145W fast charging. A single USB-C1 port provides up to 140W, powering a 16" MacBook Pro from 0-56% in just 30 minutes
Massive 25000mAh Capacity: Ugreen's power bank features a huge 25000mAh battery, capable of fully recharging laptops up to 1.3 times and mobile devices up to 5.2 times
SinKeu 23,400mAh/86.58Wh Portable Laptop Phone Charger with AC DC USB Outlets, 65W Portable Power Bank External Battery Pack for Home Backup Travel Outdoor Emergency
SinKeu
HP500S
3.8 x 1.8 x 6.8 inches
1.4 Pounds
Ratings for SinKeu (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| SinKeu US | - | ❌ | ❌ | ❌ |
Features
【Remarkably Compact & Power】: One of the smallest and lightest 23400mAh 86.58Wh portable power bank with 120V/65W AC outlet, a great solution to AC power supply. Provides enough power to most of your devices such as smartphone, tablet, and laptop. It’s perfect for your travel and business trip
【High-Speed Charging】: Recharges itself less in 4 hours with a high-speed DC15V/2A (30W) input. you can monitor the battery level with OLED display any time. The car charger accessories can make SinKeu recharge in your car
Top 13
Best for Iniu
Best for LED
Best for Heavy Duty
Best for Dustproof
Best for High Capacity
Best for Leather
Best for 30000mAh
Best for 40000mAh
Best for 8000mAh
Best for 6000mAh
Best for 2600mAh
Best for Iniu 20000mAh
Best for Asus
Best for Honor
INIU 140W Laptop Power Bank, Flight-Safe 27000mAh High Capacity Portable Charger with USB C Cable, Digital Display Phone Charger, 3 Ports Travel External Battery Pack for MacBook iPad Steam Deck etc
INIU
BI-B64
7.77 x 4.02 x 1.22 inches
1.375 Pounds
Ratings for INIU (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| SimpleLife LLC | 4,516 | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
From INIU—the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-quality materials, so we do have the confidence to provide the industry-leading 3-year INIU care and lifetime technical support.
140W PD 3.1 Super-Fast Charging: While others struggle at 65W or even 100W, our 140W PD 3.1 PowerNova if fast enough to power up all high-power-demand devices like the laptops and SteamDeck. In just 30 minutes, you'll have a MacBook Pro 16" at 59%, SteamDeck at 57%, iPad Pro M2 at 64%, iPhone 15 Pro Max at 71%, and S23 Ultra at 75%.
Top 14
Best for Fast Charge
Best for High Capacity
Best for 50000mAh
Best for 30000mAh
Best for 40000mAh
Best for 8000mAh
Best for 2600mAh
Portable Charger Power Bank 50000mAh, USB-C PD 30W Fast Charging, High Capacity External Battery Pack for Camping, Portable Phone Charger for iPhone 17/16/15/14/13/12/11 Samsung Android (Black)
seaistar
P500
6.5 x 3.15 x 1.3 inches
Ratings for seaistar (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ninepurple | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Massive Capacity: The Seaistar portable charger features a high-density polymer battery, providing 11 charges for an iPhone 13 Pro and 8 charges for a Samsung Galaxy S22. Most smartphones can get over 9 full charges, making it ideal for camping, hiking, vacation, and travel
Multiple Outputs & Inputs: Equipped with 4 USB output ports, 1 USB-C port (supporting both input and output), and 1 Micro USB input port, this power bank can charge up to 4 devices simultaneously. It's compatible with iPhones, iPads, Android devices, laptops, and other USB-powered electronics
Top 15
Best for Universal
Best for Iniu
Best for Type C
Best for Fast Charge
Best for Dustproof
Best for 30000mAh
Best for 8000mAh
Best for 6000mAh
Best for 2600mAh
Best for iPhone X
Best for Samsung 20000mAh
Best for Iniu 20000mAh
Best for Asus
INIU 20000mAh Laptop Power Bank, Ultra Compact 65W PD Dual Fast Charging Portable Charger, Flight-Safe Battery Pack with USB C Cable for Travel MacBook iPad Tablet Switch iPhone 17 16 Pro Samsung S25
INIU
P62-E1
4.3 x 2.8 x 1.1 inches
0.8375 Pounds
Ratings for INIU (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| INIU Innovations Inc. | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Wallet-Sized Laptop Power Packs a massive 20,000mAh into a body smaller than a standard wallet. Advanced high-density stacking shrinks the volume by 38% while boosting efficiency by 10%. A true 65W pocket powerhouse.
65W Triple-Port Charging Fuel your entire setup. Revive MacBooks, HP, Lenovo, or Dell laptops to 50%+ in just 30 mins, and charge Steam Decks at full speed without slow-charger warnings. Power your laptop, phone, and Apple Watch/earbuds simultaneously.
Top 16
Best for Iniu
Best for Fast Charge
Best for Leather
Best for Galaxy S22
Best for Flashlight
Best for Iniu 20000mAh
INIU Portable Charger with Flashlight, 45W Fast Charging Tablet Power Bank with USB C Cable, 10000mAh Powerbank, Battery Pack for iPhone 17 16, iPad, Samsung S25 etc Travel Essential, Emergency Light
INIU
P41L
4.3 x 2.7 x 0.7 inches
Ratings for INIU (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| INIU Innovations Inc. | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
From INIU - the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3-Year INIU Care.
45W Full-Speed Charging Newest iPhone 16 & S24: This power bank delivers up to 45W output and supports PD, QC, and other fast-charging protocols. In just 25 minutes, it powers your iPhone 16 to 63% and charges your S24 Ultra to an impressive 73%.
Top 17
Best for USB-C
Best for Rugged
Best for 30000mAh
Best for 40000mAh
Best for 8000mAh
Best for 2600mAh
Best for 5V
Best for Galaxy S22
Best for Honor
Portable Charger 38800mAh Power Bank with 5 Outputs & 2 Inputs,PD USB C In&Out Fast Phone Charging External Battery Pack Backup,Travel Essential Outdoor for iPhone 17/16/15,Android Samsung Galaxy etc
RGVOTA
HX200K1
5.0 x 3.5 x 0.5 inches
Ratings for RGVOTA (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| TENGJIADA | - | ❌ | ❌ | ❌ |
Features
【Trusted Power Bank Pioneer for 10+ Years】With over a decade of innovation in power banks and trusted by millions of adventurers worldwide, RGVOTA is your proven partner for off-grid energy. Designed for outdoor backup, camping, long-distance travel, or extended work trips where access to outlets is limited. [Pls note: size:1.12*3.14*5.9in, 432.5g/15oz<1Ib, high capacity is a bit heavy and cannot be carried on flights.]
【Huge Capacity 38,800mAh Portable Charger】Go beyond ordinary chargers—this 38,800mAh beast delivers days of uninterrupted energy. It widely compatible with iPhone 17/16/15/14/13/11/8/7/6, Samsung Galaxy, Pixel,Nexus,LG smartphone and more USB devices. Perfect for road trips, blackouts, or long weekends outdoors, it eliminates low-battery panic once and for all.
Top 18
Best for Micro USB
Best for Dual USB
Best for Mini-USB
Best for 5000mAh
Best for 5V
Best for HTC
Vida IT 5000mAh Mini Power Bank Small Portable Charger for Heated Vest Jacket Battery Pack for iPhone Samsung Cell Phone with Dual USB Output, Lightweight Rechargeable Power Pack 5V 2.1A for Travel
Vida IT
C0509A
3.5827 x 2.4409 x 0.4724 Inches
0.2183 Pounds
Ratings for Vida IT (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Vida Electronics | - | ❌ | ❌ | ❌ |
Features
🔋 PORTABLE POWER: The vPow Power Bank is the perfect travel charger when you need power on the go. Features dual ports for charging 2 devices, works with virtually everything that uses USB, such as heated clothing, mobile phones, fairy lights, earbuds plus loads more.
🥼/📱 COMPATIBLE: External battery charger compatible with thermal heated vest, jacket, gilet, coat, scarf, pants, body warmer, hoodie, fleece, socks, mask. Compatible with iPhone 7 11 12 13, Samsung Galaxy S21 S20 S10 S9, Huawei, Google Pixel, Oppo, Nokia Android Phones, Tablet PCs. All USB devices.
Portable Charger Power Bank - 60,000mAh Battery Pack, 22.5W Fast Charging Phone Charger Attached USB-C/iOS/Micro-USB Cable, Powerbank for iPhone 17 16 15 14 13 Samsung, for Travel Camping Essentials
IAPOS
P1 Pro
5.9 x 2.8 x 0.97 inches
0.8157 pounds
Ratings for IAPOS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| BayankejiLtd Tech | - | ❌ | ❌ | ❌ |
| qiweigongsi US | - | ❌ | ❌ | ❌ |
Features
[Large Power Bank Capacity]: The 60,000mAh portable charger with 1,000+ charge cycles (80% capacity retained) for lasting reliability. It's smart LED display shows precise 1% charge status—no guessing on power levels. From blackouts to storms, the IAPOS powerbank keeps you powered through crises.
[Charge 5 Devices at Once]: Includes a 3-in-1 cable (USB-C, Lightning, Micro USB)—industrial-grade nylon-braided for tough durability and fray resistance. This versatile 3-in-1 cable is the key to the IAPOS battery pack charging 5 devices simultaneously: phone, tablet, game console, headphones, even a fan. Essential for camping, travel, festivals, and multi-gadget homes!
Portable Charger Power Bank 60000mAh Fast Charging 22.5W PD4.0 & QC 4.0 with USB C Battery Pack Charger Portable High Capacity Portable Phone Charger Power Bank for iPhone,Samsung,Travel (Black)
Easesolo
CA5-6
7.0 x 4.0 x 2.0 inches
Ratings for Easesolo (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Easesolo Direct | - | ❌ | ❌ | ❌ |
| Woot | 118 | ❌ | ❌ | ❌ |
Features
60000mAh Ultra High Capacity Portable Power Bank: This 60000mAh battery pack charger portable support over 15 charges for iphone 15, 14 times for Samsung S24. Long-lasting can keep the power of your devices over a week. This large power bank perfect suitable for travel, camping, hiking, vocation and other ourdoor activities
22.5W Super Battery Bank Fast Charging: This 60000mAh external battery power bank built in 22.5W usb c output and the latest pd 4.0 & QC 4.0 fast charging technology(IOS max 20W). The portable battery charger can charge your phone from 20% to 60% in just 30 minutes
Anker Zolo Power Bank, 20,000mAh 45W Max Fast Portable Charger with Built-in USB-C Cable, USB C&A, 40W Battery Pack for iPhone 17 Series, MacBook, Samsung, and More (Charger Not Included)
Anker
A1689
4.72 x 2.89 x 1.24 inches
0.78 Pounds
Ratings for Anker (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AnkerDirect | 6 | ❌ | ❌ | ❌ |
Features
Stay Powered with 20,000mAh: Carry the power you need to charge your iPhone 17 Pro up to 3.3 times or your Samsung S25 Ultra up to 3 times. The power is about the weight of 2 iPhone 17, perfect for daily use and travel.
Super Fast Charging: Charge your iPhone 17 at 40W or power up Samsung devices at 45W with the built-in USB-C port or cable. Supports Samsung Fast Charging 2.0 for efficient performance every time.
Top 22
IAPOS Portable Charger 60000mAh, 5-Device Charging Power Bank Battery Pack
IAPOS
P1 Pro
1.1024 x 2.9528 x 1.1024 inches
Ratings for IAPOS (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| qiweigongsi US | - | ❌ | ❌ | ❌ |
Features
Large Power Bank Capacity: Engineered with a premium 60,000mAh battery pack, the portable charger delivers multiple full charging cycles to keep your essential devices powered for days. It provides up to 10 full charges for an iPhone, making it a reliable power solution for travel, camping, school, hiking, and emergency use. Stay connected during blizzard power outages, extended beach vacations, and other outdoor adventures.
Simultaneous 5-Device Charging & Universal Compatibility: Featuring 2 USB-A ports, 1 USB-C port, and an integrated 3-in-1 cable with USB-C, IOS, and Micro-USB connectors, the versatile charger bank can power up to 5 devices at the same time. It is widely compatible with iPhone, Samsung, LG, HTC, Google, Motorola, Xiaomi, Android phones, tablets, cameras, camera flashes, drones, gaming controllers, hearing aids, MP3 players, and most other electronic devices.
Top 23
Best for 2600mAh
Wireless Portable Charger Power Bank, 33800mAh 15W Fast Wireless Charging 25W PD QC 4.0 USB-C Power Bank, 5 Output & Dual Input External Battery Pack Compatible with iPhone 16/15/14/13/12 (Black)
HETP
HX160Q2
6.26 x 2.99 x 1.29 Inches
Ratings for HETP (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Jinshenyuan-us | - | ❌ | ❌ | ❌ |
Features
【Widely Compatibility Power Bank 】The compatible with almost all types smart devices on market such as iPhone 17/16/15/13/12/11 Series, XR/XS Max, S25/S24/S23/S22/S21/ S20/A52/A32/Z fold series ,Z flip series and google pixel series and other android phones ,tablets etc... ( Please note: This power bank is wireless charging power bank, Not magnetic ! ).
【All in One Portable Charger 】This wireless portable charger power bank has 5 outputs and 2 inputs, you can charge 5 devices at the same time and recharge battery pack easily with 2 options,which is great for multi electronic devices users. No need to carry a variety of cables on the road,say goodbye to the trouble of messy charging cables!
Top 24
Best for 8000mAh
Relliphent 70000mAh Fast Charging Portable Charger Power Bank for iPhone
Relliphent
PC5-5
5.0 x 1.8 x 4.0 Inches
Ratings for Relliphent (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Huge 70000mAh Capacity: Provides 15–20 charges for smartphones and 5–8 charges for tablets, ideal for camping, travel, power outages, and outdoor emergencies; supports long‑term use without frequent recharging.
30W Fast Charging: Supports PD & QC 3.0 fast charging; charges phones to 60% in 30 minutes; equipped with 2×30W USB ports and 1×20W USB‑C port to meet multi‑device fast‑charging demands.
Top 25
Best for Micro USB
Best for Iniu
Best for Leather
Best for 8000mAh
Best for Iniu 20000mAh
Best for HTC
INIU Pocket Size Portable Charger, Ultra Small 10000mAh 45W PD Power Bank, Fast Charging Battery Pack, Travel Essentials Powerbank for iPhone 17 16 Pro Air, Xiaomi 17 Pro Max, Samsung S26, Light White
INIU
P50
3.29 x 2.09 x 1.0 inches
0.3527 pounds
Ratings for INIU (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
| INIU Innovations Inc. | - | ❌ | ❌ | ❌ |
Features
[MINI SIZE. PRO POWER.] 45W. 10,000mAh. Smallest on the planet. Roughly the size of an AirPods Pro case, this portable charger packs days of power into an impossibly small footprint. Slide it into your skinny jeans or a tiny crossbody bag for a night out—maximum power, zero bulk.
[TRUE 45W SPEED. SAFER & COOLER.] Desktop-grade speed, anywhere. Delivering a true 45W output, this power bank blasts your Galaxy S26 Ultra from 20% to 92%—or your iPhone 17 Pro Max to 75%—in just 30 minutes. Powered by TempGuard 2.0, it actively manages heat, ensuring your devices stay cool during a quick coffee break charge while keeping their battery health pristine.
Top 26
Portable Power Bank fan 4000mAh Foldable Design 3 Speed Settings with Wrist Strap
Generic
Pb-fan-4000
1.5 x 3.0 x 6.5 Inches
0.5 Pounds
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GustoFinos | - | ❌ | ❌ | ❌ |
Features
2-IN-1 DESIGN: Functions as both a portable fan and a 4000mAh power bank, letting you stay cool and keep your devices charged on the go.
3 SPEED SETTINGS: Choose from three fan speed levels to customize your airflow and comfort in any situation.
80000mAh Portable Charger Power Bank High Capacity, Fast Charging 30W PD USB C Battery Pack, 5 Output & 2 Input Large Battery Bank with LED Display & Non-Slip Design for Phone Camping Travel Outdoors
Liahomco
BP1-80
2.56 x 2.56 x 5.91 Inches
2.2046 Pounds
Ratings for Liahomco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| yingdafu | - | ❌ | ❌ | ❌ |
Features
High Capacity Power Bank: Liahomco 80000mAh large portable charger ultra-high massive capacity charging bank provides 15-20 charges for smartphones,5-8 charges for tablets,suitable for travelling, hiking,camping,power outage,trips,vacation,emergency and other outdoors activities
30W Quick Charge Battery Pack: The battery bank supports multiple fast charging protocols including PD & QC 3.0,featuring 2×30W USB output ports and 1×20W USB C port. It recharges smartphones to 60% in just 30 minutes-delivering 3x faster charging speeds. Perfect for a week trips or multi-device charging demands
Top 28
CUKTECH 25,000mAh Power Bank, 100W Max Portable Charger with Built-in USB-C Cable, Fast Charging External Battery Pack for MacBook Pro/Air, iPhone 17/16/15 Series, Samsung, Pixel, Airline Approved
CUKTECH
LPB252N
7.0866 x 1.063 x 3.1496 inches
1.1905 pounds
Ratings for CUKTECH (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| CUKTECH Direct | - | ❌ | ❌ | ❌ |
Features
100W Ultra-Fast Output: Power your laptop anywhere. With a 100W peak output, this power bank can charge a MacBook Air 13" (M3) to 56% in just 30 mins. Stay productive on the go with high-speed delivery that rivals your original wall charger
25,000mAh High Capacity: Airline approved. Rated at 90Wh, it safely fits FAA carry-on limits (under 100Wh). Provides up to 3.2 full charges for iPhone 17 Pro Max or 1.2 charges for MacBook Air—perfect for long flights and travel
Top 10 4000mAh Power Banks - Verified to Buy (September 2026)
- 1. 65W Power Bank 40000mAh, Laptop Portable Charger Fast Charging with...
- 2. DEWBU Mini Portable Charger, 4000mAh Ultra Slim Lightweight Power Bank...
- 3. Miady 2-Pack Portable Charger PD 22.5W Power Bank 20000mAh Battery...
- 4. Eliegntist Portable Charger 50000mAh Power Bank, PD 30W Fast Charging...
- 5. Portable Charger Power Bank 40000mah, USB C Fast Charging 22.5W...
- 6. Portable Charger Power Bank 40800mAh with 3 Built-in Cables,25W Fast...
- 7. SABANI Portable Charger 35000mAh Power Bank, 4 Built in Cable...
- 8. Portable Charger 60000mAh Power Bank - 22.5W Fast Charging External...
- 9. Miady 2-Pack 20000mAh Portable Charger Power Bank, Dual USB Output...
- 10. INIU Smallest 20000mAh Power Bank, 22.5W PD Fast Charging Portable...
Top 10 4000mAh Power Banks Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- REWONDER
- DEWBU
- Miady
- Eliegntist
- RONEGN
- LanLuk
- SABANI
- Nuxgal Power
- INIU
- UGREEN
Related 4000mAh Power Banks Guides
For more personalized 4000mAh Power Banks guides, Check those pages,
Battery Capacity
Top 10 4000mAh Power Banks Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. AnkerDirect : 1,168,915 Yearly Feedback , Avg. Ratings 4.9
- 2. Woot : 264,925 Yearly Feedback , Avg. Ratings 4.8
- 3. UGREEN GROUP LIMITED : 178,269 Yearly Feedback , Avg. Ratings 4.9
- 4. Miady : 27,081 Yearly Feedback , Avg. Ratings 4.9
- 5. SimpleLife LLC : 14,435 Yearly Feedback , Avg. Ratings 4.9
- 6. LanLukDirect : 3,832 Yearly Feedback , Avg. Ratings 4.6
- 7. INIU Innovations Inc. : 1,786 Yearly Feedback , Avg. Ratings 4.7
- 8. Jinshenyuan-us : 1,593 Yearly Feedback , Avg. Ratings 4.9
- 9. SinKeu US : 823 Yearly Feedback , Avg. Ratings 4.9
- 10. Amazon.com : 386 Yearly Feedback , Avg. Ratings 4.7
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | AnkerDirect | 1,168,915 | 4.9 |
| 🥈 | Woot | 264,925 | 4.8 |
| 🥉 | UGREEN GROUP LIMITED | 178,269 | 4.9 |
| 4 | Miady | 27,081 | 4.9 |
| 5 | SimpleLife LLC | 14,435 | 4.9 |
| 6 | LanLukDirect | 3,832 | 4.6 |
| 7 | INIU Innovations Inc. | 1,786 | 4.7 |
| 8 | Jinshenyuan-us | 1,593 | 4.9 |
| 9 | SinKeu US | 823 | 4.9 |
| 10 | Amazon.com | 386 | 4.7 |
[Get] 4000mAh Power Banks Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime 4000mAh Power Banks Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Accessories supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best 4000mAh Power Banks to buy for new September 2026?
CherryPicks’s Methodology for Evaluating 4000mAh Power Banks
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Accessories items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 116 of 4000mAh Power Banks reviews based on our selection criteria. It helped us shortlist the top qualified and rated 4000mAh Power Banks for Accessories, We found that most customers choose 4000mAh Power Banks with an average price of $38.58, and the top brands are Anker, UGREEN, Generic, INIU, Miady And SinKeu.
Then our expert-level editors reviewed all those quality items and selected the top 28 4000mAh Power Banks for you, We have researched hundreds of sellers and picked the top sellers for Accessories, including Amazon Resale, AnkerDirect, Woot, UGREEN GROUP LIMITED, Miady, SimpleLife LLC, LanLukDirect, INIU Innovations Inc., Jinshenyuan-us, SinKeu US And Amazon.com. The 65W Power Bank 40000mAh, Laptop Portable Charge... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 72 consumers with an average rating of 4.2.
We've helped a lot of satisfied users get the right Cell Phones & Accessories product based on their needs, and save lots of time for them to pick 4000mAh Power Banks to buy.
Jimmy is some sort of a double-edged sword — he is an indoor enthusiast who loves to seat in front of his computer coding, gaming or streaming. However, he is also a lover of sport and knows the best tools and products as he once worked at a sports gadget shop in the past.