Maximum - 12 volt Deep Cycle Batteries Connected in Parallel

I have 4 8D AGM's and many of the Prevost conversions use 6 or 8 (usually 4D) without issue. You need to ensure you have the wiring done right and that you have enough charge capacity to bring them back up after usage. While my setup is neg. to neg. to neg, the best setup would be the pos and neg wires from the charge source to a junction where 4 identical length cables would go to each terminal.