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1. #12V DEEP CYCLE BATTERIES HOW TO#
2. #12V DEEP CYCLE BATTERIES GENERATOR#
3. #12V DEEP CYCLE BATTERIES SERIES#

This setup draws most of the power from the first battery and the least amount of power from the battery furthest down the line. The wrong part is the load wires that connect the batteries to the RV are both placed on the same battery. Having both of the load wires from the RV on the same battery will create an unbalanced circuit. You can see in the graphic below that the positive terminals are connected and so are the negatives.

This way of parallel connecting 12V RV batteries technically works. The Wrong Way To Parallel Connect 12 Volt Batteries

#12V DEEP CYCLE BATTERIES SERIES#

You want the voltage to stay the same unlike when you wire 6V batteries in series because, in that case, you want to double the voltage. The main thing you need to know is that you parallel wire 12V batteries for RVs. You can read more about parallel and series wiring here if you want to learn more. I won’t go into the specifics of what parallel wiring is because that’s not really what this article is about. See Also: How Long Will An RV Battery Run The Furnace? + Calculations

It’s also not recommended to combine different ages and sizes of batteries even though it is possible to do so with parallel wiring. You cannot combine batteries of different voltages. This combines the batteries to create one large one that still has the same voltage. When you connect batteries through parallel, you are combining the positive terminals to the positive ones and the negative to negative. You can try without it, but your terminal connections might not be as tight or secure, which could mean more resistance or a battery that isn’t connected. To do the job right, you will also need a crimping tool (click to view on Amazon). If you plan on connecting more than 4 RV batteries or there will be some distance between them, get more wire just in case. The Windy Nation 4 AWG Wire Kit (click to view on Amazon) is perfect for most deep cycle RV batteries and there should be enough wire for your average RV battery connections.

#12V DEEP CYCLE BATTERIES HOW TO#

See Also: Best 12 Volt RV Lithium Battery Reviews + How To Charge I suggest 4 AWG because less resistance equals a more efficient transfer of power from battery to battery.īecause every set-up is going to be a little different, depending on the sizes of batteries used and the storage space, I suggest getting a long length of red and black 4 AWG copper wire with the right battery terminal connectors. The best sizes to use are 6-4 AWG copper wire. The first thing you need to wire RV batteries together is the proper wire. This will make the RV batteries last longer and work better. The goal is to wire the 12V batteries together in parallel correctly, so the power output and input is balanced between all the batteries. There are a few ways to do it wrong, and I’ll try to cover some common mistakes. Wiring multiple 12V RV batteries to an RV isn’t very difficult and most people can do it themselves. My knowledge is very limited when it comes to large solar power banks that require a lot of batteries.īut, if you want to know more about RV batteries and how to wire them, you’ve come to the right place.ĭo RV batteries in parallel last longer? How To Correctly Wire Multiple 12 Volt Batteries To An RV This is about adding 12 volt power to your RV, not creating a solar power bank. In this article, I’m going to show the best ways to wire both 12 volt and 6 volt batteries to an RV. One of the easiest ways to add more battery power to your camper is to add more RV batteries. See Also: Best Deep Cycle RV Batteries (AGM, SLA, 12V, 6V) That way, you can use as much electricity as you need between charging without damaging the RV batteries.

#12V DEEP CYCLE BATTERIES GENERATOR#

Lead-acid batteries should only be discharged down to around 50% and Lithium-ion around 20%.Īny more than that will slowly damage the batteries and make them lose the ability to hold a full charge.Įven if you use a generator or solar panel to charge the RV batteries every day, you are going to want a lot of stored power. No matter what kind of RV battery or batteries you are using, it’s not good to drain them completely. Related Product: We use the reliable VMAX 100Ah AGM battery (click to view on Amazon) in our RV. RVers usually figure this out pretty quick when they try out boondocking or dry camping without electrical hookups.Įvery time you turn on a light, use the water pump, a fan, or the furnace, power is being drained from the batteries.Įven when switched over to LP gas (propane) the fridge is using electricity. Why Connect More Than One Battery To An RV?Īn RV uses more electricity than you think.