[BullShark]

So I’ve got a 12v Jeep and have ordered several backup batteries. Inside the hood I’ve got an extra slot for an extra battery to be mounted. I want to install a second, backup battery there so that when the first one goes out i can somehow switch over to the second battery and keep going. How would i wire this safely and simply?

[lexx0116]

Best option is to wire your batteries in Parallel to double the Amp hour for longer play. Here is a video showing how to connect battery in Series and Parallel

https://www.youtube.com/watch?v=Sqmm2JgsO48&index=56&list=PL-rJD8KrC9fr3-bF7PPvHhKpoZuxb5Z1c

[BullShark]

Wow. So wiring them that way will double the time but not double the speed? I don’t want to double the speed as it’s fast enough. Just want to extend my time. So that’s what wiring it this way will accomplish?

[Alex.M]

This will double the capacity.



This will double voltage.

(If u're not sure what u are doing - use a multimeter. U can buy a really cheap one for that purpose.)

[Anday1971]

Best option is to wire your batteries in Parallel to double the Amp hour for longer play. Here is a video showing how to connect battery in Series and Parallel

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