Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: 18650 Number of Cells: 2 Voltage - Rated: 7.4 V Capacity: 2.9Ah Size / Dimension: 2.87\ L x 2.32\ W x 0.98\ H (73.00mm x 59.00mm x 25.00mm)