08-15-2020, 12:34 AM
You're still going to need a battery for your fish finder, etc. But a small AGM of 7 AH or so meant for lawn mowers or ATVs will suffice for that - it's what I use in my kayak. Couple of pounds, max.
I can't offer advice on the 4-stroke.
I can't offer advice on the 4-stroke.