... °C to 35°C(within 6month) 2.Advantages of Li-ion battery*Good Load Performance*Various Mechanical Dimensions*Low Impendence*Excellent ... Design 3.Mainly application:MP3/MP4 player, GPS, bluetooth earphone, digital photo frame, learning machine, portable DVD, mobile phone, cordless phone ... will be offered, welcome for long-term cooperation! rechargeable 903759 3.7V 2200mAh Li-ion polymer battery pack