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.

free samples xiaomi power bank 20800mah  (MI CHARGER ) mI 20800 

Why you can get lower Price : 

1)They don't do aging testing when assembling ,it will save 80% workers charge and save 100% electric .

2)Because they don't do aging testing ,so maybe you will receive 10%  defective products.

3)They will not pick out scratch casing ,so it will save 5% cost .

Why some supplier give you very low price :

 Because they use Fake Li-ion battery as below :

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

Learn More Product from our website:http://kqbattery.en.china.cn