1.10years lipo battery factory 2.With Seiko PCM 3.UL,PSE,CE,RoHS,MSDS Certificated 4.OEM size and ... ,sample available broad-spectrumre rechargeable 3.7V 3500mAh lipo battery 487390L 1.Model: 487390L 2.Nominal voltage: 3.7V3.Nominal capacity: 3500mah 4 ... .3, certification8.Environmental friendly.9. No memory effect.10,OEM dimension and capacity is available.11,10 years experience in Li polymer battery ...