solar controller CE certification maximum efficiency with ... full, power low, over-discharge, over load, out short circuit, load on/off, etc.Industry level production standard: ... 24Vcharge return voltage13.2v;2/24VTemperature compensation-5mv/°C/cell (Boost charge, Direct charge, Float charge, charge ... .0V, ×2/24VOver discharge voltage11.1V(no load)- real-time modified voltage by the discharge rate ...