Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Nickel Metal Hydride Rechargeability: Yes Battery Cell Size: 18650 Number of Cells: 3 Voltage - Rated: 3.6 V Capacity: 2.5Ah Size / Dimension: 2.01\ L x 1.65\ W x 0.59\ H (51.0mm x 42.0mm x 15.0mm)