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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 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 20 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. 2
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. 3
Anker PowerCore II Slim 10000 Ultra Slim Power Bank, Upgraded PowerIQ 2.0 (up to 18W Output), Fast Charge for iPhone, Samsung Galaxy and More (Black)
  • The Anker Advantage: Join the 20 million+ powered by America's leading USB charging brand.
  • High Capacity: Over 3.5 charges for iPhone 8, or 2 for Galaxy S8. Multiple full charges for other phones and devices.
  • Universal Speed: Charges Apple, Android and Quick Charge devices at their fastest possible speed. Charges Galaxy S7 in just 1.5 hours.
  • Seamlessly Slim: Award winning, slimline design with protective silicone shield. Fits neatly next to flagship smartphones in palm or pocket.
  • What You Get: PowerCore II Slim 10000 portable charger, 60cm Micro-USB Cable(Lightning cable sold separately), Travel Pouch, Welcome Guide, our worry-free 18-month warranty and friendly customer service.
SaleBestseller No. 4
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 20 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.
Bestseller No. 5
Power Bank Portable Charger 24000mAh 4 OutPut Ports Huge Capacity Battery Pack With AC Power Adapter Included For iPhone, iPad, Samsung Galaxy, Android And More
  • 1.For protecting the LCD Screen,thre's a Film on it. please take it off when you are using.Huge Capacity Of Portable Charger: 24000mAh.It can help you out when your phone's battery is dead.Especially when you need to go for a business trip or other outdoor activities.
  • 2.Power Bank's Fashionable LCD screen:It will tell you directly how many power the charger left which is super convenient when you want to have a look at it in the dark.
  • 3.Nice Touching Feeling For Battery Pack:The surface of the charger is partly covered by Leatherette so it is soft and comfortable.
  • 4.Power Pack Comes with Dual Inputs And Four Outputs:You can recharge the charger by Android Port or Apple Port.Plus there are four Outputs which can be charged by four devices simultaneously.
  • 5.Warranty: 24 months.Any problems please feel free to contact us.Package Including: Power Bank and AC Power Adapter (110V-240V),USB Cord.
SaleBestseller No. 6
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 10 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.
SaleBestseller No. 7
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 20 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. 8
Portable Charger RAVPower 22000mAh Portable Phone Charger 22000 Power Banks 5.8A Output 3-Port (2.4A Input, iSmart 2.0 USB Ports, Li-polymer Battery Banks) For Smartphone Tablet – 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
Bestseller No. 9
Jackery Bolt 6000 mAh Portable Charger - iPhone Battery Charger with Built-in Lightning Cable [Apple MFi certified] External Battery Pack Compact Power Bank, TWICE as FAST as Original iPhone Charger
  • Jackery Bolt: Apple MFi certified, customized for iPhone
  • Rocket Fast iPhone Charger: built-in lightning cable enables super fast charging for all iPhones, TWICE as Fast as iPhone original charger with original cable; free yourself from long and bothering charging time
  • The Most Compact Power Bank as ever: yet the most powerful 6000 mAh battery charger, fully charges an iPhone 6/7/8 up to two times within 1.5 hours or an iPhone 6 Plus/7 Plus/8 Plus up to one and half times within 2 hours; travle around with Bolt in pocket
  • The Safest Battery Pack: battery system management protect both your iPhone and Bolt from Over-charging, Over-current, Over-voltage and Over-temperature. Premium Aluminum Shell enables fast radiating, safer and more reliable. Your best backup battery ever
  • WHAT YOU GET: 1×Jackery Bolt 6000mAh portable charger, 1× Micro USB charging Cable (charging adapter not included), 1×User Guide, 1×Thank You Card. 24-month product warranty and 7×24 hrs 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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