Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Number of Cells: 4 Voltage - Rated: 7.4 V Capacity: 4Ah Size / Dimension: 2.17\ L x 3.50\ W x 1.26\ H (55.0mm x 89.0mm x 32.0mm)