Solarfirst 100A Charge Controller - SF100 12/24/48V

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High efficient, PWM controller
PWM charging makes the charging efficiency increase by 3% to 6%
Reverse polarity & high/low voltage battery protection
Output current & short circuit protection
USB charging functional(option)
ON/OFF load switch at front of controller for convenience
Intuitionistic LED indicators show battery capacity , charging and discharging state of the battery
LCD display shows system status at all times
Working parameters and battery type can be set
Automatic Identification System Voltage Level
Automatic Temperature Compensation
Accumulated function of charge and discharge Ampere hours
Remote monitoring and control function(custom)
Battery reverse-discharge protection, Overload, Short Circuit protection, Battery reverse-connection protection