Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Number of Cells: 2 Voltage - Rated: 3.7 V Capacity: 2.74Ah Size / Dimension: 2.52\ L x 2.05\ W x 0.59\ H (64.0mm x 52.0mm x 15.0mm)