Mfr: AUTEC POWER SYSTEMS Series: APS28-LP2029370-22000mAh Package: Case Product Status: Active Battery Chemistry: Lithium-Ion Polymer Battery Cell Size: - Voltage - Rated: 22.2 V Capacity: 20.5Ah Size / Dimension: 7.95\ L x 3.66\ W x 2.76\ H (202.0mm x 93.0mm x 70.0mm)