We are offering solar charge controller. nominal voltage 12 / 24 v, automatic recognitionboost voltage 14.5 / 29.0 v (25c), 2hequalization voltage 14.8 / 29.6 v (25c), 2hfloat voltage 13.7 / 27.4 v (25c)low voltagedisconnect function 11.4 - 11.9 / 22.8-23.8 v controlledby state of charge 11.0 / 22.0 v controlled by voltageload reconnect voltage 12.8 / 25.6 vtemperature compensation -4 mv/cell*kmax. Solar panel current 20 a @ 50cmax. Load current 20 a @ 50cmax. Wire size 16 mm2 (awg #6)self consumption 4 maambient temperature range -40 to + 50cnominal voltage 12 / 24 v, automatic recognitionboost voltage 14.5 / 29.0 v (25c), 2hequalization voltage 14.8 / 29.6 v (25c), 2hfloat voltage 13.7 / 27.4 v (25c)low voltagedisconnect function 11.4 - 11.9 / 22.8-23.8 v controlledby state of charge 11.0 / 22.0 v controlled by voltageload reconnect voltage 12.8 / 25.6 vtemperature compensation -4 mv/cell*kmax. Solar panel current 20 a @ 50cmax. Load current 20 a @ 50cmax. Wire size 16 mm2 (awg #6)self consumption 4 maambient temperature range -40 to + 50c