This was used to charge a pair of Group 31 trolling batteries and the main battery one time, then I got a pair of lithium batteries and a lithium specific charger I mounted in the boat for them. This is virtually brand new, still in the box. They are selling on Amazon right now for $328, save a fair piece of change at $175, I put it on Craigslist at $200. It's a good high quality charger that can be set up to charge two trolling batteries and the main simply plugging it in, it can be left plugged in for a float charge until you use the boat next. It shifts more amps to the batteries that need it most.
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