... CProtective FunctionsProtection against anti-charge at night,battery over charge,over discharge protection,Joint-reversed of solar modulesControl methodPWMSize :D* ... .4/6.6Remark: if the hybrid system, the solar panel and wind turbine output need the same, then the ... 48V, solar panel output also need 48V.Warranty:1 yearDelivery time:3-5 days for sample High Quality Auto Work 10A Solar Charge Controller