depends if you want drop-in or not. Custom battery setup of 400AH w/ 400 watts solar on roof and 2000 watt Magnum inverter. Almost always camp off grid and no generator and seldom have to worry about battery usage.This setup fit under the step up to the bed. Not the most simple and cheapest way to go but wanted the maximum amount power I could get in the space I had available. This setup also weighs less and fits in the same place as the two 100AH lead cells they replaced
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