Hi, The battery can be used in mobile phone 900mAh 3.7V battery.Warranty one year after sale. li ion battery suitable for mobile phone High-quality and rechargeable lithium-ion cell, long conversation and standby time long working life and excellent security; Capacity standard: 900mAh;Equipped with the advanced IC of PCB for multiple protections function to avoid over-charge or over-heat;Changing ...