Harness the power of the sun with this Battery Tender 5-Watt Solar Panel with built-in smart charging controller. It's 100% portable and ideal for battery charging and maintenance and for storage space without power access. Battery Tender solar panels are the only panels available with a built-in charge controller to prevent overcharging.
- Built-in 3-step microcontroller for precise charging
- Waterproof and sparkproof for outdoor installations
- Easy do-it-yourself installation
- Built-in temperature compensation sensor
- 12V nominal voltage 270 mAmps