... 4.OEM size and capacity,sample available broad-spectrumre rechargeable 3.7V 3500mAh lipo battery 487390L 1.Model: 487390L 2. ... Nominal voltage: 3.7V3.Nominal capacity: 3500mah 4.Lower self discharge. 5. ... Lights, model aircraft, miner's lamp, safety helmets, safety headlights;3. Bluetooth headsets, e-books, mobile DVD, mobile TV, mobile scales, handheld ...