it recommends 3 amp. unit is probably 4 -5 months old now , and i still don't have a fuse installed . like mentioned above , one more thing to go wrong . still debating on it . what i have used in past was something from pep boys. heavy duty mini bus fuse holder , that is pretty much water tight . marine grade. it runs about 4- 5 dollars . small investment , as opposed to something ugly happening like surging your unit . or worse the battery melting through the belly of the kayak.
