Portable Charging&Power Bank Buying Guide

Mobile devices like smartphones and tablets make life so much easier. That is, until they run out of battery power when there’s nowhere to plug in. But don't worry, a power bank charger can help. You can Simply charge it up at home, throw it in your bag or your pocket, and connect it to your phone whenever it needs a quick battery boost. You’ll never suffer from “low power anxiety” again.
How to choose your perfect power bank?Firstly, choosing the size of your battery. This is not just about which one will fit in your pocket or your purse. The size of the battery is about the power inside. Most batteries will feature a number on the front that tells you the number of mAh or “milliamp-hours.” Common size range from 2000mAh up to 10,000mAh. Bigger capacity means more power, which means more recharges for your smart phone.
Secondly, number of USB ports.  Bigger capacity power bank – such as 10,000 mAh(our IS-PB100 Plus), even 5000mah(our IS-PB50) – usually with 2 USB outputs. This can be useful to charge two smartphones at the same time – maybe also share with your friend.
Thirdly, cables. You can choose one with cables included, or one with multiple ports to charge more than one device at a time.
Fourthly, check the warranty. Usually the power bank manufacturer will provide a specific warranty period from the date of purchase.
Fifthly, the importance of quality. The power bank should be with long cycle life, short-circuit protection, over current protection, over voltage protection, over discharge/charge protection, temperature protection...
Sixthly, compliance with legal standards of safety. "CE ROHS FCC..." marks, can usually be found on the packages or power banks, which will indicate that they have passed the necessary industry standard regulations and comply with some certifications.