Battery Tender® Solar Charge Controller

This Battery Tender® solar charge controller regulates the optimal voltage from your solar panel to the battery, preventing overcharge and reverse-current drain so your battery stays healthy through long-term solar maintenance. Weather-resistant and simple to wire inline between panel and battery.

For use with the Battery Tender® 17-watt (SKU 021-1173) and 35-watt (SKU 021-1174) mountable solar panel chargers. Patent 11,552,484. Backed by Battery Tender® lifetime customer support.