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: 2.99\ L x 1.57\ W x 0.87\ H (76.0mm x 40.0mm x 22.0mm)