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: 2.6Ah Size / Dimension: 2.91\ L x 2.09\ W x 0.87\ H (74.0mm x 53.0mm x 22.0mm)