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: 3.7 V Capacity: 5.2Ah Size / Dimension: 3.03\ L x 1.54\ W x 0.87\ H (77.0mm x 39.0mm x 22.0mm)