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Power Bank: Best to Buy

Goodbye to battery problems for our tablets and smartphones: let’s bring along a power bank to recharge them immediately on the move.

Best Power Bank

The portable batteries to recharge smartphones and tablets, more properly called power bank are becoming new companions of daily use. Battery life is one of the biggest issues on smartphones and portable power bank is the best solution to partially remedy the short battery life of our smartphones and tablets: they are often also easy to carry in your pocket or bag.

There are different sizes and different charging capacities power banks available in the market. Thanks to our guide, choosing the best power bank will be very simple for you, but first here are some important concepts to know before deciding which power bank to buy.

Quick Charge: What is it?

Before seeing the different Power Bank available on the market, let’s discover the most popular rapid recharge technology on the market: Quick Charge. With it is possible to charge the smartphone in less than half the time using dedicated voltages and amperages, exploitable only if properly managed by the Qualcomm CPU, the charger, and the appropriate USB cable. It comes to itself that to take advantage of the best Quick Charge we will have to focus on USB cables and certified chargers, as well as having a compatible smartphone.

Currently, the Quick Charge technology has reached its third generation, which offers even faster recharge times. For our guide to the power bank, we will show you possible models compatible with Quick Charge 3.0, so as to make the most of the quick charge.

How many times can I charge My Smartphone with a Power Bank?

Many of us make the mistake of believing that the mAh exposed on the capacity of a power bank is equivalent to 100% of the charge that they can provide to a smartphone or tablet. It is not so. Actual capacity varies from 65% (worst case) to 80% (best case): to know the real charge capacity you should know the Wh (watt-hours) and perform the calculation: Wh / 5V.

Since 5V is equivalent to the voltage required by the USB standard. If you do not know the Wh of a Power Bank, simply to know the real capacity of recharge just carry out the calculation: mAh * 0.7.

For example, a 3000mAh power bank guarantees a recharge of at least 2100mAh, a 15,000mAh battery guarantees 10,500mAh and so on.

Power Bank up to 5000mAh

Power Bank up to 10000mAh

Power Bank up to 20,000mAh

Power Bank above 20,000mAh

Best-selling Power Bank

Here is the always updated list of the most sold power bank at the moment. This is the top 10 that could already help you in choosing your portable battery.

SaleBestseller No. 1
Anker PowerCore 13000, Compact 13000mAh 2-Port Ultra-Portable Phone Charger Power Bank with PowerIQ and VoltageBoost Technology for iPhone, iPad, Samsung Galaxy (Black)
  • The Anker Advantage: Join the 30 million+ powered by our leading technology.
  • Upgraded Capacity: The successor to PowerCore 10400-identical compact size but packed with even more power. Charges an iPhone 8 almost 5 times, an iPhone X or Samsung Galaxy S8 3 times, or an iPad Air 2 once.
  • Light and Compact: A super-high 13000 mAh capacity with two high speed USB ports is all contained in a portable charger smaller than a wallet.
  • High-Speed Charging: PowerIQ and VoltageBoost combine to deliver a max speed charge to any device (up to 3A - Qualcomm Quick Charge not supported). Input: 5V / 2A.
  • What You Get: Anker PowerCore 13000 Portable Charger, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service.
SaleBestseller No. 2
Anker PowerCore 10000, One of the Smallest and Lightest 10000mAh External Batteries, Ultra-Compact, High-speed Charging Technology Power Bank for iPhone, Samsung Galaxy and More
  • The Anker Advantage: Join the 30 million+ powered by our leading technology.
  • Remarkably Compact: One of the smallest and lightest 10000mAh portable charger. Provides almost three-and-a-half iPhone 8 charges or two-and-a-half Galaxy S8 charges.
  • High-speed-Charging Technology: Anker's exclusive PowerIQ and VoltageBoost combine to deliver the fastest possible charge for any device. Qualcomm Quick Charge not supported.
  • Certified Safe: Anker's MultiProtect safety system and high-quality LG battery cells ensure complete protection for you and your devices.
  • What You Get: Anker PowerCore 10000 portable charger, Micro USB cable, travel pouch, welcome guide, our worry-free 18-month warranty and friendly customer service. USB-C and Lightning cable for iPhone / iPad sold separately.
SaleBestseller No. 3
Portable Charger Anker PowerCore 20100mAh - Ultra High Capacity Power Bank with 4.8A Output, External Battery Pack for iPhone, iPad & Samsung Galaxy & More (Black)
  • The Anker Advantage: Join the 10 million+ powered by our leading technology.
  • Ultra-High Capacity: Weighs as little as a can of soup (12.5 oz) yet charges the iPhone 7 almost seven times, the Galaxy S6 five times or the iPad mini 4 twice.
  • High-Speed Charging: PowerIQ and VoltageBoost combine to deliver the fastest possible charge(does not support Qualcomm Quick Charge). Recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.
  • Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices.
  • What You Get: Anker PowerCore 20100 Portable Charger, Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service. Lightning cable for iPhone / iPad sold separately.
SaleBestseller No. 4
Portable Charger Power Bank 10000mAh Battery Packs-Ultra High Capacity 3-Port Anguo Portable Battery Charger for iPhone, iPad & other Smart Devices(Black)
  • Compatibility: Portable charger for iphone can charge smartphones and other portable devices through the USB port,such as iPhone 6 6s 7 plus SE 5S 5C 5 iPad, Samsung Galaxy S7 S6 Edge S5 S4, LG, HTC and more.
  • Compact Portable Design: (3.7 x 3.0 x 0.8in Powerbank),Easy to hold external battery power bank in your hand, you can put the mobile charger into your pocket easily.
  • Safe to Charge: Polymer cell with High Quality shell. Usb portable charger with smooth, black paint allows you to power up in style, status LEDs keep you informed about remaining capacity, built-in flashlight for dark or low-light environments.
  • Super Fast Charging: Charger portable with 3 USB (5V 1A ,5V 1A& 5V 2.4A) Ports allow for charging of your devices simultaneously and quickly. Battery charger for cell phone can charge compatible devices up to 75% faster than standard chargers.
  • What You Get: Anguo 10400mAh Portable Phone Charger, Micro USB Cable, User Manual, 24 Month Warranty, Lightning cable for iPhone / iPad and AC adapter are sold separately.)
SaleBestseller No. 5
Anker PowerCore+ mini, 3350mAh Lipstick-Sized Portable Charger (3rd Generation, Premium Aluminum Power Bank), One of the Most Compact External Batteries
  • The Anker Advantage: Join the 30 million+ powered by our leading technology.
  • High-speed Charging Technology: PowerIQ detects your device to deliver its fastest possible charge speed up to 1 amp.
  • Ultra Compact: Our original lipstick-shaped aluminum design (3.7 × 0.9 × 0.9in, 3oz). Recharges in 3-4 hours with a 1 amp adapter (not included) and the included Micro USB cable.
  • High Capacity: Adds over one charge to an iPhone 8 or at least 80% to the Galaxy S8 and other flagship smartphones.
  • What You Get: Anker PowerCore+ mini (3350mAh Premium Aluminum Portable Charger), Micro USB cable, travel pouch, welcome guide, our fan-favorite 18-month warranty and friendly customer service. Lightning cable for iPhone / iPad sold separately.
Bestseller No. 6
Aibocn Power Bank 10,000mAh External Battery Charger with Flashlight for Apple Phone iPad Samsung Galaxy Smartphones Tablet - Upgraded
  • Exquisite and portable, handheld size but high capacity(10000mAh). Unique Anti-Fingerprints design, more cleanly on its surface when you hold it in any places.
  • Double USB Port (2Amp+1Amp Output), allows for simultaneous charging of your iPad, iPhone, Android, and more at high speed.
  • Intelligent Safety Protection - Supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, more safe to use.
  • Backup flashlight, will be a good helper if you need an emergent light like camping, hiking and any emergency occasions.
  • 100% customer satisfaction, 30 days worry-free money back with One Year limited warranty.
SaleBestseller No. 7
Anker PowerCore 5000, Ultra-Compact 5000mAh External Battery with High-Speed Charging Technology, Power Bank for iPhone, iPad, Samsung Galaxy and more
  • The Anker Advantage: Join the 30 million+ powered by America's leading USB charging brand.
  • High Capacity: Contains 5000 mAh of power. Enough to provide two charges to an iPhone 6s or at least one to a Galaxy S7.
  • Ultra-Compact: Remarkably small, tubular design slides easily next to your phone in any pocket or bag. Just 10cm tall and 3cm wide.
  • High-Speed Charging: Equipped with exclusive PowerIQ technology, it provides the fastest possible charge to any phone or tablet (up to 2A). Does not support Qualcomm Quick Charge.
  • What You Get: PowerCore 5000, travel pouch, Micro-USB cable, welcome guide, our worry-free 18-month warranty and friendly customer service. Lightning cable for iPhone and iPad sold separately.
Bestseller No. 8
Portable Charger RAVPower 22000mAh External Battery 22000 Power Bank 5.8A Output 3-Port Backup Battery Packs (2.4A Input, iSmart 2.0 USB Ports, Li-polymer) For iPhone X, iPhone 8, Galaxy S9 – Black
  • Choose the RAVPower Treatment: Join millions of users worldwide that rely on our leading technology for their daily charging needs
  • Triple-Device Charging: 3 iSmart USBs automatically adjust the output up to 5.8A; Note: Power bank does not support Qualcomm Quick Charge
  • Colossal Battery: 22000mAh capacity charges an iPhone X for 4.9 times, a Galaxy S8 4.4 times, or an iPad mini 4 2.6 times; fully recharge in just 11-12 hours with a 2.4A charger
  • Safer for Longer: Secure high-density Li-Polymer battery retains up to 70-80% of its full capacity even after 500 charge-discharge cycles
  • What You Get: Lifetime Warranty Card, RAVPower Ace Series 22000mAh Portable Charger, 2 x Micro USB Charging Cables, Carry Pouch, User Guide
SaleBestseller No. 9
Anker PowerCore Lite 10000mAh, High Capacity Portable Charger, Slim and Light External Battery for iPhone, Samsung Galaxy, and More
  • The Anker Advantage: Join the 30 million+ powered by our leading technology.
  • Slim Size, Big Power: One of the slimmest and lightest 10000 mAh portable chargers. Provides two-and-a-half charges for iPhone 8 Plus, or 2.6 full Galaxy S9 or iPhone X charges.
  • High-Speed Charging: Anker's exclusive PowerIQ and VoltageBoost combine to deliver the fastest possible charge for any device. Qualcomm Quick Charge not supported.
  • Certified Safe: Anker's MultiProtect safety system provides superior protection for you and your devices.
  • What You Get: PowerCore Lite 10000 portable charger, Micro USB cable (USB-C cable and Lightning cable not included), travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service.

About Ankeet Solanki

He is physically challenged, but strong enough to survive in this tough world. He started this blog as a hobby to show his affection for gadgets, but over the time this hobby became professional. And now he is working as a full-time blogger, but in free time he loves watching movies and games. PayPal donation for TechToyReviews will be appreciated.

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