K-1:CE/FCC/ROHS certification

K-2:Use A grade Battery core

K-3:Rechargeable times: over 800 times and keep over 80% capacity after 3 year general usage

K-4:The latest Power Bank good for gift

K-5:Protect functions: Short circuit, over-current,over-charging and over-discharging

K-6:Apply to various electronics devices,such as mobile phone, Blackberry, Mp3, Mp4, PSP, iPod, iPhone.

K-1:Over charging protection  

K-2:Over discharging protection  

K-3:Over voltage protection

K-4:Over current  protection  

K-5:Short circuit protection 

small size power bank 2200mah good for gift 

Any questions ,fell free to call :+86 13165939787  contact person :kobe chen     skype:powerbank1990   wechat:13165939787