Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Lithium-Ion Rechargeability: Yes Battery Cell Size: - Number of Cells: 1 Voltage - Rated: 3.7 V Capacity: 1.81Ah Size / Dimension: 2.48\ L x 3.35\ W x 0.43\ H (63.0mm x 85.0mm x 11.0mm)