ZTE F850 battery back

3.7V Li-ion 700mAh battery for ZTE F850 1)A grade quality cells with high capacity 2)PCB with Two protection function regulating IC to ensure over-charge,over-discharge, and prevent short circuit 3)Low sources resistance and long working life 4)Excellent workmanship, advanced technique, standard size, Fine and smooth appearance. 5)12 month warranty