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Think about what devices you need a power bank for and how long you’ll be away from a power outlet.

An iPad mini can be charged approximately 4 times with a 20,000mAh power bank.

A Samsung Galaxy S8 can be charged approximately 4.5 times with a 20,000mAh power bank.

An iPhone 7 can be charged approximately 6 times with a 20,000mAh power bank.

To give you a rough idea of how the amount of mAh juice in the bank affects what you can charge and how often, consider the following: The power capacity that your power bank kicks out is measured in milliamp-hours or “mAh.” The amount of mAh available will define how much charge you can expect to get out of your power bank.Ĭommon capacity ratings range from 2,000mAh to 20,000mAh and in some cases, even as high as 40,000mAh. While power banks should have a sturdy feel about them, they shouldn’t be uncomfortably heavy, so opt for one that’s light enough not to weigh you (or your pockets) down. The charger should be able to fit neatly in the same space as your cell phone otherwise, you’ll have one in your pocket while carrying the other in your hand - not cool!īottom Line: Look for one that will fit neatly in your pocket, purse, or backpack. Your power bank is designed to be portable, otherwise, what’s the point?! With this in mind, the physical size and weight of it will be major factors in considering which one is right for you. Size and Weight Power banks come in lots of shapes and sizes. 2 Power Banks for all Your Charging Needs Best Value Power Bank for Outdoor Adventures A Great Choice for Charging Small Laptops on the Go One of the Best-loved Power Banks Ever Made A Great All-around Charger for Days Out and Long Journeys Pint-sized Perfection for Single-use Charging A Great Little Charger That Packs a Punch Superstar Power Bank Offering Dual Charging

Portable usb backup battery portable#

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