. . "s, bilge pumps, sound systems, electronics, and other items that naturally drain your battery so you are ready to go boating at a moments notice!Safety - no need to run direct power to your boat or boat liftExtended Battery Life* - by as much as 6 to 10 yearsPortable - take the solar panel off your pier or canopy to charge additional battery products like: cell phones, trolling motors, GPS, and ot" . . . . .