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: 2.83\ L x 1.54\ W x 0.83\ H (72.0mm x 39.0mm x 21.0mm)