Solar panel with built-in Battery Tender® 3-step automatic microprocessor controller. 100% portable battery charging and maintenance. Perfect for storage space without power access! Battery Tender® solar panels are the only panels available with a built-in charge controller to prevent overcharging. Spark proof. 5-Watt version: 3 lbs. 13.25″ x 16″ x 0.875″
Yamaha OEM 5-Watt Solar Panel With Built-in Controller. SBT-BTSOL-AR-11
