No way Thor is going to spend and extra $20 per coach...trust me, it is the best battery investment you will make... second to getting a solar charger plug in for your chassis battery, yep, the 12v plug in come off it..at least on mine.. so go to Harbor Freight or somewhere and get the solar trickle charger plug in thing..
https://www.harborfreight.com/15-wat...ger-62449.html
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