300W powerful battery charger. 20A maximum charge current, discharge and battery cycle modes. Handels 1-6 cell LiPo, Li-Ion, and LiFe (A123), 1-12 cell lead-acid, as well as 1-17 cell NiMH and NiCd batteries. Built-in balancer for up to 6 cell LiPo, Li-Ion, or LiFe (A123) batteries. Foam cut and motor drive modes. Support firmware upgrade via USB port. Battery charge and discharge data can be recorded and analyzed with the free software Logview (www.logview.info).