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Mid-range PWM solar charge controller for both professional and consumer applications, incorporating legendary ProStar design and performance. Longer battery life through 4-stage charging and temperature compensation. Constant voltage PWM series regulation. Choice of three battery types. Voltage-sense terminals for more accurate battery monitoring, More information with three battery-level LED indicators. Optional meter includes safety disconnect and displays amps, volts, temperature and self-test. Extensive electronic protection against reverse polarity, reverse current at night, short circuits, overcurrent and excessive temperature. No mechanical fuses. Fanless design for long-term reliability.