Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: 18650 Number of Cells: 4 Voltage - Rated: 7.4 V Capacity: 5.2Ah Size / Dimension: 2.87\ L x 3.66\ W x 1.02\ H (73.0mm x 93.0mm x 26.0mm)