An external battery kit made here at The Cabin which is compatible with any Toslon Fish Finder or GPS units.
No need to mess around with 8 x AA batteries each time you go fishing, just simply charge up this small lead acid battery from home (around 4 hrs) then simply plug this in to the 12v power socket on the rear of your base unit.
Should power your screen for over 5 hours of continuous use on a fully charged battery. Around a weeks worth of use.
NO SCREEN INCLUDED IN THIS LISTING.