Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Number of Cells: 1 Voltage - Rated: 3.8 V Capacity: 2.1Ah Size / Dimension: 1.65\ L x 3.98\ W x 0.20\ H (42.0mm x 101.0mm x 5.0mm)