Best Portable Cell Phone Power Banks 2021

1,749,969 Reviews Analysed
893 Review Articles Examined

After exploring an insanely large number of articles and reviews by our brilliant AI and ML tools; and comprehensive refining, breakdown and screening by our specialized high-tech experts, the golden shortlist for the Best Portable Cell Phone Power Banks (2021) is finally drafted.

The ultimate guide on Best Portable Cell Phone Power Banks produced using Deep Learning and Artificial Intelligence technology
Exclusively at AGR reviews

In order to come up with the Best Portable Cell Phone Power Banks (2021), our smart platforms and gurus have taken many factors into account such as product fitness for use, features that meet buyers needs and give customer satisfaction, defect and deficiency-free, conformity of standards, value for money, reliability, robustness, quality conformance to user requirements and good practises, safety, real user satisfaction and lots of others. It is important to mention that each user has different requirements so please use the list below as a guide and not as a gospel. Nonetheless, in the ranking below you can certainly find the overall best ones despite your needs.

Our smart platforms and qualified hi-tech experts work hard to identify the best product options. We feel that our review evaluation can help you simplify your purchase decision and make a pick among the truly Best Portable Cell Phone Power Banks (2021).

Best Portable Cell Phone Power Banks

SaleBest Choice No. 1

Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Port External Cell Phone Battery Pack Compatible with iPhone,Android etc

2019 Latest Design Portable Charger with 25800mAh Ultra-Huge Capacity, adopts our advanced intelligent controlling IC, higher quality, safer and more reliable, powerful and longer-lasting life after 100% checked and continuous aging test;
Universal Compatibility — The power bank compatible with iPad, iwatch, Airpods, Samsung Galaxy, most other Smart cell phones, Tablets, Bluetooth devices and more. It can charge 6 to 8 times to eliminate the anxiety of your battery exhaustion. Suit for travel, and other indoor outdoor activities;
Dual USB Charging & Fast Recharge — The Dual USB ports (2.1A+1A) to charge your two devices simultaneously, Fully recharges itself in 8~12 hours with 2.1A input charger, or 12-24 hours with 1A charger;
4 LED Lights & Certified Safe — Four led lights show the current remaining power of the item(25%~50%~75%~100%), easily press the power button to turn it on or off. Built-in smart protection system, the USB battery pack ensures complete protection for you;
24 Months Support Services — Ekrist 25800mAh portable battery charger, Micro USB cables, user manuals. Together 2 Years friendly, easy-to-reach support! Any question, please kindly contact us.

Best Choice No. 2

2-Pack Miady 10000mAh Dual USB Portable Charger, Fast Charging Power Bank with USB C Input, Backup Charger for iPhone X, Galaxy S9, Pixel 3 and etc …

【2-Pack 10000mAh Power Bank】Two 10000mAh battery packs not only for portable charging but also around the home. Allowing you charge mobile devices without having to be tethered to a plug socket. Each of them fully charges 2.4 times for iPhone X, 3.6 times for iPhone 8 and 2.2 times for Samsung Galaxy S9.
【Dual Output & Input】Each has 2 USB output ports that detect all the connected devices and efficiently distributes the current output up to 5V 2.1A. The USB C and Micro USB ports can fully refill the battery itself in 5 hrs at 5V 2.0A.
【Reliable Li-polymer Cell】Thanks to the Li-polymer battery pack, the charger is much safer than any Li-ion charger. Also, it’s lighter and slimer that you can easily carry it around, even on airplanes.
【Small & Slim】It feels incredibly compact for a 10000mAh power bank, weighing just 218g and only 14mm thick. Grippy design is easy to hold, easy to toss into a bag and incredibly portable.
【What You Get】2 * Miady 10000mAh USB Portable Charger (White & Black); 2 * USB Cable; 1 * User Manual. We provide 24*7 friendly customer support and also back our products for 18 months.

Best Choice No. 3

Solar Charger 20000mAh Portable Solar Power Bank for Cell Phone Waterproof External Backup Battery Power Pack Charger Built-in Dual USB/Flashlight for All Cell Phones, Tablets, and Electronic Devices

【Solar Portable Charger】20000mAh high capacity polymer battery with lightweight and compact size, equipped with a compact solar panel. Suitable for business, travel, going out.
【Highly Compatibility】 Built-in double 5V/2.1A USB output allows you to charge two devices simultaneously, compatible with all cellphones and other electronic equipment. Built-in security devices protect your devices from excessive power, overheating, and overcharging.
【Double LED Flashlights】 Built-in bright 2 LED lights can be used as a torch, 3-mode flashlight lets you illuminate your path, signal for help in an emergency. Just long-press(about 5 seconds) the side button the flashlights will light up.
【Two Charging Methods】Newest solar power charger itself not only can be recharged via sunlight but also can be charged via an outlet. In daily life, we recommend charge it via a wall outlet, take the solar panel charging feature as the emergency back-up solution.
【What You Get】 20,000mAh Solar Charger, Micro USB cable, Carabiner, User Manual, 90 days hassle-free return and replacement, and our worry-free 12-month friendly customer service.

Best Choice No. 4

Anker Portable Charger, PowerCore Slim 10000 Power Bank, 10000mAh Battery Pack, High-Speed PowerIQ Charging Technology for iPhone, Samsung Galaxy, and More

Quality Throughout:Built adventure-tier touch with superior durability and scratch resistance, PowerCore Slim 10000 is premium both inside and out.
Slim Size, Big Power:One of the slimmest and lightest 10,000mAh portable chargers on the market. Provides 2.25 charges for iPhone 12, 1.6 charges for Galaxy S20 and 1.2 charges for iPad mini 5.
Versatile Charging: Anker’s exclusive PowerIQ and VoltageBoost technology combine to detect and deliver a tailored charge up to 12W, while the trickle-charging mode is the best way to charge low-power devices.
Superior Safety:Anker’s comprehensive MultiProtect safety system includes overcharge protection, short circuit protection, temperature control, and more.
What You Get: PowerCore Slim 10000 portable charger, Micro USB cable (USB-C cable and Lightning cable not included), travel pouch, welcome guide, lifetime* $25,000 connected equipment warranty, and friendly customer service. *For the purpose of this connected equipment warranty, “lifetime” is defined as the lifetime of the product.

SaleBest Choice No. 5

Solar Power Bank, YELOMIN 20000mAh Portable Solar Charger, Waterproof Backup Battery Pack with Dual USB 5V Outputs/LED Flashlights and Compass for Cellphones, Tablets and Electronic Devices(Blue)

【High Quality Portable Solar Charger 】: Made of durable and reliable ABS+PC+Silicone material.Solar phone charger, featured with compass and 2 bright LED flashlight. Awesome for outside activities such as camping, hiking and other emergency use. The solar USB battery pack can be regards as a nice gift.
【FRIENDLY REMINDERS ON SOLAR POWER】: As the charging speed is subject to sunlight intensity, solar panel size, and panel conversion rate, which may take long time to charge.The primary way to charge the battery bank is by USB and only use solar charging feature in an emergency. The USB cable in the package is only used to charge the solar charger. It is not recommended to charge other devices, which may slow down the charging efficiency due to incompatibility.
【Compatible with Multiple Devices】: Compatible with all smart phones,Tablet and other USB devices. More than 900+ recharge lifecycle. Solar Charging Travel Power bank with Flashlight / Carabiner, Very reliable and durable.Solar power bank provides more convenience in your daily or in your trip.
【Convenient Smart Express Charge】: The solar powered charger has dual USB and powerful LED light.Makes it easy to charge two smartphones simultaneously or a tablet at full speed . 2 led lights can be used as flashlight with Steady-SOS-Strobe mode. Five pilot indicators indicate the status of battery charger timely. Green light on when charging by solar, blue light on when USB charging.External battery charger with solar panel can recharge by solar or outlet.
【Friendly Service for Solar Power Bank】: We will fast, friendly and hassle free customer service team is there for you. Note: Solar charging is limited, the charging power can’t always reach the maximum value because of the environment. It’s recommended to take the solar charging feature as the emergency back-up solution instead of the main power sources, please fully charge it by USB cable before traveling or hiking.

Best Choice No. 6

Portable Charger Power Bank 30,800mAh LCD Display Power Bank,25W PD Fast Charging +QC 4.0 Quick Phone Charging Power Bank Tri-Outputs Battery Pack Compatible with iPhone,Android etc

【Super-Fast Charging】portable charger Power bank high capacity The 30,800mAh power bank could charge your phone at least 6-8 times, Suitable for business, travel, going out, you don’t have to worry about your phone low battery. [Note:High capacity so the products weight 350g]
【Import Intelligent Controlling IC】 The portable charger adopt Import Intelligent Controlling IC to prevent power bank overcharge, overvoltage, overcurrent and short circuit. [CE certified] make sure product quality is safer.
【3 Output -Charge 3 Devices At Once】Power bank with 3 Output Ports – QC4.0 output, PD output, 2.1A USB output, you can charge 3 devices simultaneously.Power Delivery 4.0 output and Quick Charge 4.0 output combine to deliver an optimized charge to your devices at up to 25W. Compared with non-fast charging power bank, save more than half of the time.
【Universal Compatibility LCD display】 portable charger is universally compatible with all products via USB charging cable, including all iOS and Android smartphones, tablets, other devices and so on. LCD display shows current battery charge ,input and output status, no more guessing whether need to charge it or not.
【Full 24 Month Warranty & Worry-Free Purchase】- You will get 30,800mAh power bank [Charge your phone 6-8times] , User manual, Micro USB cable [Not include Type C cable], AND 24 month warranty policy and 24 hours friendly customer service.

SaleBest Choice No. 7

TG90 Power Bank 10000mAh Portable Battery Charger for Cell Phones External Battery Power Packs, Ultra Slim Portable Phone Charger Compatible with iPhone Android Phone and Heated Vest

★ EXCLUSIVE TECHNOLOGY: Automatically identify the type of device and deliver the suitable electric current and most efficient charge for your devices by TG90° Smart Technology
★ 3.1A MAX OUTPUT: Through dual output ports (5V/ 2.1A, 5V/1A) let you charge smartphone, tablet & other smart devices at high speed simultaneously
★ RAPID RECHARGE: Even with a huge 10000mAh battery, it can only take 6-8 hours with a USB input port of 5V-2.1A to recharge, which means that it still charges faster than normal 1.0A chargers
★ 100% SAFETY GUARANTEED：Overcharging, over-discharging, and short-circuit protection to safeguard the charger and your devices during charging and storage
★ WHAT’ YOU GET: 10000mAh External Battery Pack, USB Charging Cable, worry-free 12-month warranty and friendly & outstanding customer service

Best Choice No. 8

10000mAh Cell Phone External Battery Pack, Portable Phone Charger Power Bank 5V 3.1A Fast Charging Mobile Phone Charger Compatible with iPhone 6/6s/7/8/X/XS/XR/11 and Heated Vest

Real Capacity of Portable Charger: For this 10000mAh power bank, it can recharge your compatible with iPhone 7 4 times, compatible with Galaxy S8 2.5 times, or an compatible with iPad mini 1.2 times.
Dual Charging: This 10000mAh battery charger has 2 USB output ports , which can power up to 2 smartphones at once, 5V 2.1A (compatible with cell phones, ipad) and 5V 1A(compatible with cell phones and Heated Vest).
2 Inports & Fast Recharge: You can easily charge this power bank by Micro USB cable or type C cable. Fully charging the battery charger takes only 6-8 hours with a 2A charger, when you are traveling or on a business trip that will be helpful;
Slim Designed: The body of this power bank is smaller than compatible with iphone 11, weight is 0.49lb, no problem to carry it in your pocket. Real pocket size.
Package:10000mAh Battery Charger x 1, Micro USB cable x 1, 1 x User Guide & Free 18 Month Warranty.

Best Choice No. 9

Portable Charger 2-Pack 10000mAh Power Bank Odec High Capacity Power Bank Ultra Slim External Phone Battery Pack with Dual Input & Output for iPhone 12 Pro, Galaxy S10, Pixel 4, (Black + White)

【10000mAh Capacity】: This reliable pocket-sized power bank boasts a generous 10000mAh rechargeable battery with ultra-fast 2.4A charging ports, and a maximum 2.4A recharge rate. Use one pack and keep the other as a back-up
【Dual Input & Output】: Equipped with dual inputs of Micro USB and Type-C, you can recharge your power bank more convenient using the included Type C cable or Micro USB cable. The dual outputs allow you to charge two devices simultaneously and four white LED lights indicate the devices current battery level
【Slim & Portable】: One of the slimmest portable phone chargers on the market. Compact with a contemporary design, it will easily fit into your pocket or bag – perfect for the home, office, or taking on vacation
【Safe & Efficient】: Features built-in safeguards to protect your devices against overcharging, overheating, and excessive current. Charge multiple devices simultaneously with no risk
【Reliable Lithium Polymer Battery】: The lithium polymer battery pack makes this charger safer than other lithium ion chargers. Moreover, it is lighter and thinner, so you can easily carry it with you even on an airplane.

SaleBest Choice No. 10

Portable Charger Power Bank 26800mah, Ultra-High Capacity Safer External Cell Phone Battery Pack Compact with High-Performance Cells & 2 USB Output, Smart Charge for Smartphone, Android, Tablet & etc

❤【26800mAh Colossal Capacity & Widely Compatibility】Massive Powerful 26800mAh Potable charger can charge most phones over 6 times, tablets at least 2 times and any other USB device multiple times. Universal compatibility with all Android smart phones(Phone 6/7/8/7plus/8plus/6plus/x/xs max/11/11 pro/12/12 pro max), tablets, mp3/mp4 players and other USB-charged devices.
❤【Portable Charger with 2-port 3.1A Output】With 2 USB output ports (5 V / 2.1 A and 5 V / 1A, total 3.1A ), QTshine portable phone charger can charge two devices at the same time, quickly providing enough power for iOS and Android Phones and More.
❤【Superior Safety – Intelligent Controlling IC 】Built-in multi-protection system, Our Intelligent Controlling IC protect the power bank against over current and short circuit. It’ll automatically turn itself off when short circuit or overloading occurs. FCC, CE, ROHS certificated, add safety guarantee to your equipment.
❤【2X Fast Recharge Speed & 4 LED Indicators】Fully charging the power bank takes only 8-16 hours with a 2.1A charger; Built-in 4 blue LED indicators show the power left as 25%-50%-75%-100%.
❤【Extended 24 Month After-Sale Technical Support and 45-Day 100% Full Refund】You will get QTshine Portable Charger Power Bank External Battery x 1, Micro USB Cable x 1, User manual x 1 and 24 Month after-Sale Technical Support and 24-Hours friendly customer service.

If you have found our review assessment useful, please do not hesitate to subscribe for more amazing reviews. Bear in mind that our subscribers benefit from special Amazon.com promotion codes of up to 80% discount. That’s right, up to 80%! Do not miss out!.

Best Portable Cell Phone Power Banks 2021

1,749,969 Reviews Analysed893 Review Articles Examined

Best Portable Cell Phone Power Banks

You may also like…

Related Posts

Best Smartwatch Cables 2021

Best Smartwatch Cables & Chargers 2021

Best Cell Phone SIM Card Tools & Accessories 2021

Best Smartwatch Accessories 2021

1,749,969 Reviews Analysed
893 Review Articles Examined