... ; ×2/24V, (keep:10min)Float charge voltage13.6V; ×2/24V,Charge return voltage13.2v, ×2/24V,Temperature compensation-5mv/°C/2V(Boost charge,Direct charge,Float charge,charge return ... , ×2/24V,Over discharge return voltage12.6V,×2/24V,Control modePWM charge mode; modified discharge voltage by the discharge rate 12/24V regulator waterproof solar charger