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: 4.92\ L x 2.95\ W x 1.10\ H (125.0mm x 75.0mm x 28.0mm)