Dual Battery Set up

[SnowMotion]

The battery I used is a 100ah battery. Length: 306mm Height: 201mm Depth: 173mm
I used an AGM battery and put it on it's side with the terminals to the rear of the seat.

[SnowMotion]

Below are some pictures of my base for the battery and the installed battery.
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[SnowMotion]

Tested my set up on the weekend and was really happy being able to run a portable fridge, charge phones and recharge batteries for lights.
Borrowed a 120W solar panel and was able to top the battery up each day as I did not move the van for 3 days.
Just need to add some extra outlets and a battery meter.

[SnowMotion]

As I am getting ready to use my van for camping during this ski season I have decided to add some extra power outlets and a volt meter to monitor the AUX battery. After much thought about what I needed in this next item I decided on Volt meter, Ipad/IPhone/USB socket & ciga socket. This is the unit I decided would fit best in the van.
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Having recently finished carpeting the wall panels and adding some extra sound proofing I decided I did not want to mount this to the wall panels.
It will be mounted to the side of the passenger seat on the bottom edge facing the drivers seat. This should keep it out of the way but easily accessible to all seats in the van. I should have this in on Saturday and will post some pics of it mounted in place.

Next pieces I am looking at are Pure Sin wave Power inverter and Solar panel to recharge battery during the day.

[SnowMotion]

I installed the gauge and power outlets on the base of the passenger seat.. looks good.
May have to consider putting a on/off switch on it.

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[Gold Coaster]

Like your choice of sockets SnowMotion. I'm guessing you ran your wiring from the auxiliary battery to the socket under the floor mat? What size cabling did you use?

[SnowMotion]

Yes, I ran the wires under the floor mat. There is a channel in the floor that factory wiring sits in between the 2 seas so it is really easy to put it through. The only difficulty is that my Aux battery is over the opening under the drivers seat so it is a good idea to leave and spare wire or string (did it this time) in there to pull any extra wires.
I used 7.5a (0.2mm) wire for the cigaret socket and 0.12mm hook up wire for the ipad & battery meter's.

[SnowMotion]

An early failure on the iPad charger.
Have to send this socket back to seller to be repaired / replaced.

Will try to install Pure Sinwave inverter under the passenger seat this weekend.

Thinking about installing a relay on the battery meter to eliminate the volt meter staying on 24/7. If a relay with an On/Off override exists it will be even better.

[Gold Coaster]

I also didn't see the need for the volt meter display to be on continuously so I wired in a momentary switch. A press of the button gives you your reading and upon release turns it off automatically.

[SnowMotion]

I also didn't see the need for the volt meter display to be on continuously so I wired in a momentary switch. A press of the button gives you your reading and upon release turns it off automatically.

I like your thinking.