... status. 3) Over current and short circuit protect. 4) Long battery lifespan, more than300~500 time recharge cycles. 5) All function operate ... one button. 6) Auto power off, make better use of battery energy. 7) Suitable to IPHONE, PSP, MID, cellphone, MP3,GPS ... Brand New , High quality portable mobile power bank.This portable battery brings you the free to charge anytime anywhere .Ultra Thin ...