... can be produced according to your requirementSpecification:Items606090 3.7V 4000mAH Model606090Normal Voltage3.7VNormal Capacity4000mAhFull Charged Voltage4 ... GPS, MP3, MP4, PDA, PMC, PMP, PSP, portable pc, laptop, tablet pc;2. Lights, model aircraft, miner's lamp, safety ... helmets, safety headlights;3. Bluetooth headsets, e-books, mobile DVD, ...