A guy once showed me how he took a battery from a jump box (jump pack) that is pretty small but lots of juice. The guy put it in his dash and wired a splitter so it would charge independently. The idea seamed like it would be a good alternative to craping a full size battery under the hood.
![My Two Cents :twocents:](https://board.marlincrawler.com/Smileys/marlin/twocents.gif)