Mfr: Power Shure Series: - Package: Box Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Voltage - Rated: 3.7 V Capacity: 2.5Ah Structure: - Termination Style: Wire Leads with Connector Size / Dimension: 2.66\ L x 0.90\ W x 0.77\ H (67.6mm x 22.9mm x 19.6mm)