1.10years lipo battery factory 2.With Seiko PCM 3.UL,PSE,CE, ... and capacity,sample available broad-spectrumre rechargeable 3.7V 3500mAh lipo battery 487390L 1.Model: 487390L 2.Nominal voltage: 3.7V3 ... are available 605048/355770854053M3 broad-spectrumre rechargeable 3.7V 3500mAh lipo battery 487390L