20-Amp PWM solar controller regulates solar output to safely charge your RV batteries. Protects your battery from overcharging and uses multistage charging to prolong battery life. Works with AGM, flooded, and calcium batteries. Great Prices for the best solar charge controllers from Redarc. Redarc PWM Solar Charge Controller - 20 Amp part number RED43VR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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