If you’re feeling low on batteries toCharge is your go-to guy. This multitasking genius has the power to get you through an entire music festival or a long stay in a seclude cottage with the in-laws without losing it… Power that is. Do you really want to go without him? High performance 6000Mah Lithium battery. 4 LED lights indicate the remaining battery capacity and the charging status. ntegrated microchip to prevent over charge, over discharge,over load and short circuit.Suitable to IPHONE, PSP, MID, cellphone, MP3, GPS and similar devices.