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What We Need Pay Attention To When Use Power Bank?

26 Dec 2017 - high-energy mobile power bank,solar power bank waterproof solar charger,magnetic Power Bank
What we need pay attention to when use power bank?
1, Output voltage range for power bank.
2, USB connectors must match.
3, In dry environment
4, Use your mobile power supply frequently, You'd better charging and discharging one time in a month.
5, Drop shock.
6, prevent cold and heat.