Amazon.com Product Description The Sunsei 25 Amp solar charge controller is designed to prevent overcharging your solar-powered battery. Use it with solar panels generating between 2 Amp and 25 Amp of current to charge 12-volt to 24-volt systems. The charge controller features intelligent PWM charge control to ensure that your batteries reach their maximum charge capacity. A built-in LED indicator instantly displays the charging status. It includes an auto-reset circuit breaker for reverse polarity and surge protection. This unit is 3.1-by-3.9-by-1.3 inches in size and weighs 0.4 pounds. It is covered by a 2-year warranty.
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