Built in intelligent recognition voltage imported chip con automatically identity the mobile phone, PSP, tablets and other digital products . Precise electronic board, have prevent overcharge ,discharge , prevent leakage,short circuit and high temperature resistant. High quality high capacity batteries, durable support for fast charging, no memory effect, charging cycle number up to 1000times. Standard USB output micro/mini input ,simple and easy to Carry. Built in intelligent recognition voltage imported chip con automatically identity the mobile phone, PSP, tablets and other digital products. Precise electronic board, have prevent overcharge ,discharge , prevent leakage short circuit and high temperature resistant. High quality high capacity batteries, durable support for fast charging no memory effect, charging cycle number up to 1000times. Standard USB output micro/mini input ,simple and easy to Carry.