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: 3.54\ L x 1.65\ W x 0.98\ H (90.0mm x 42.0mm x 25.0mm)