... over discharging control by the discharging rate Over-discharging control voltage modified bythe battery discharging rate curveSelfprotection protection tooverload, outside ... cell (Boost charge, Direct charge, Float charge, charge return voltage),12.0V, ×2/24V,11.1V(no load)- real-time modified ... voltage by the discharge rate,×2/24V,12.6V,×2/24VPWM charge mode, modified ...