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: 3.15\ L x 1.61\ W x 0.91\ H (80.0mm x 41.0mm x 23.0mm)