Lithium mobile phone battery for BP-4L 1. Li-ion ... 2. Short delivery time, offer OEM 3. Long standby time Lithium mobile phone battery for BP-4L:Item BP-4LBattery typeLi ... quality, 6 months for A qualityMOQ100 pcsSafety and stableHigh-tech lithium battery, undergoes drop test, smash test and acupuncture test to ... cool dry surrounding if it's standby. Factory tour: Lithium mobile phone battery for BP-4L