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: 1.77\ L x 3.15\ W x 0.79\ H (45.0mm x 80.0mm x 23.0mm)