State of the Art Solar, Wind & Biodiesel Products from Northern Tool

Small turbine is designed for highly corrosive marine environments such as oceanside cabins and sailSmart microprocessor controller optimizes...

Provides immediate trickle-charge when exposed to daylight, even through windows/windshield. Patent-pending touch-action indicator lets you know...

Protects against natural battery discharge and electronic drain in medium-sized boats, RVs, trucks and tractors. Provides immediate trickle-charge...

Totally waterproof digital compass designed for dinghy racing shows heading and features a count down race timer, and a tactical scale for...