... for float charging voltageReferring to the current battery temperature, take 25°C as a benchmark, the controller will compensate the float charging ... voltage by -4mV/Cell/°C. For 12V battery, compensation voltage U=(t-25)*6*(-0.004)V;For 24V battery ... , compensation voltage U=(t-25)*12*(-0.004)V;For 48V battery, compensation voltage U=(t-25)*24*(-0.004)V8Elevating charging ...