... Max.14.4V or 14.7V Current------------Max.4.0A Battery Range: -----------2.3Ah-120Ah IP Level --------------IP65 Specification ... PowerW60W13LED Indicator Light 6 LED:Power on,Reverse, Battery OK,Charging , Battery weak,Recovery, 3LED:Model selected light14Output Protect—Over ... , it’s safe for long term connection to maintain battery without damage.6.Polarity Reverse Protection, Short Circuit Protection ...