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: 1.69\ L x 3.31\ W x 1.10\ H (43.0mm x 84.0mm x 28.0mm)