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: 4.88\ L x 1.69\ W x 1.06\ H (124.0mm x 43.0mm x 27.0mm)