BATTERIE New Li-Ion For : Zebra RS51 RS5100 RS5100 Ring Scanner RS5100 2D Bluetooth Ring Scanner Ability: 450mAh P/N: BTRY-RS51-4MA01,BTRY-RS51-7MA01,BT-000397,BT-000398 Voltage: 3.85V Dimensions: 73.55 x 58.00 x 11.40mm.