Replacement battery fits 88 Olympia compatible models. Specifications: 900mAh, 3.7V, Li-ion. Compatible with: MaxCom MM460BB, MaxCom MM440BB, MaxCom MM462, MaxCom MM462BB, Master MF01, Master MF015 and 82 more compatible models. Replaces: NGM BL-40, NGM BL-OS4, NGM BL-VA, KAZAM KAC5, KAZAM KAC5-HELBE0003594, KAZAM KALB2 and 1 more. Olympia replacement battery designed for Mobile/SmartPhone devi…