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Power Bank
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New Design IPower 5 powerbank Dual USB Ports 20000 mah Ultrathin Power Bank Portable External Battery Pack Power Supply for iphone 5s xiaomi mi 3 galaxy note 4 external battery

How to use

Usually there is internal resistance in all mobile. and power bank will lost power when you charge mobile because this internal resistance.  we called it is Conversion Rate

please charge your power bank for 8 hours (1A charger) first and than to charge your mobile. it will works good (but don't charge it more than 10 hours)

6 hours (1A charger) charge can get the power bank full of power in normal times

charging time depending on charger.0.5A-2A,the more,the faster

 the output power is different for every mobile. because mobile internal resistance is different. 

All the power bank has Conversion Rate,as well as your phone,Charge will happens twice energy conversion!


100% brand new

20000mAh high capacity rechargeable Li-Ion battery

Long lifespan,more than 500 times the charging and discharging protection
Four Colors: Golden / Blue / Rose Red /Grey, please tell us what color you prefer
Input: DC5V/1A(Max)
Output: DC5V/ 0.5A  5V/1.2A

Package: 1* Power Bank + 1* USB Cable+1* Retail Box

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