Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Number of Cells: 2 Voltage - Rated: 3.7 V Capacity: 4Ah Size / Dimension: 2.99\ L x 2.40\ W x 0.55\ H (76.0mm x 61.0mm x 14.0mm)