Manufacturer: Panasonic - BSG  •  RoHS/pb-free: Pb-free  •  Series: BR1220  •  Battery Cell Size: Coin 12.5mm  •  Voltage - Rated: 3V  •  Capacity: 35mAh  •  Termination Style: Requires Holder  •  Size / Dimension: 0.49" Dia x 0.09" H (12.5mm x 2.3mm)  •  Rechargeability: No  •  Other PartNo: Q2115820, Q3256328