- Rv battery monitor install install#
- Rv battery monitor install mod#
- Rv battery monitor install Bluetooth#
But, a capacitor does not store AC (what comes out of your wall) electricity, it acts just like a plain old wire to AC. A capacitor blocks and stores DC (battery) electricity. The greater the capacitance, the greater the amount of storage. When you apply voltage from a battery across these two plates (one side of the battery to one plate, the other side of the battery to the other plate) it will more or less store that voltage. Could be paper, non-conductive liquid (like distilled water), ceramic, or even air.
For now I’m just glad I can get a better idea of how the batteries are actually performing and when I need to charge them.Ī capacitor is basically two metal plates separated by some sort of insulator (a dielectric).
Rv battery monitor install Bluetooth#
There is a bluetooth add on that I’m going to get so I can check the voltage from my phone inside the trailer. It took a little patience and some extra work with the Dremmel to get the main hole just right but in the end it all worked out. I’ll use some clear RTV to secure the cable to the side of the baggage compartment. I then used a Dremmel tool to cut a small mouse hole at the top to run the cable through. I had to use a 2 inch hole saw to cut the hole. Why not mount it inside next to the other instruments? I didn’t want to run that wire all that way and if I messed up the install, I’d rather it be out of site in the baggage compartment! It’s the first switch you turn on when taking the trailer out of storage so it made sense to put the battery monitor there. I decided to put it next to the battery disconnect switch. The next challenge was mounting the instrument in the baggage compartment. The only photo I forgot to take was of the battery grounds connected up. The red wire goes to the positive side of the battery to provide power to the instrument. Here is a photo of the connected instrument cable. I did this by drilling a hole in the bottom of the access compartment down to the baggage compartment directly below. I also had to find a way to get the cable that connects the shunt to the instrument head down to the baggage compartment where I was going to mount the instrument. This made for a very sturdy mount for the 1 pound shunt. The wood screws protrude into the wood block that the back of the nightstand drawers secure to. I screwed it to the side of the access compartment. This places the shunt between the batteries and ground.įirst I had to mount the shunt. The black wire with the blue tape goes on one side of the shunt, and then a cable I made up goes from the other side of the shunt to the terminal with the unmarked black cable on it. The other black wire goes to the 2nd battery.
The black wire with the blue tape goes to ground. Luckily for me there is a convenient access panel next to the bed where the negative terminals of the batteries connect to ground. A wire then goes from the shunt to the instrument head to provide power and current measurements.
Rv battery monitor install install#
You install the shunt between the negative terminal on the battery and the trailer’s ground. Normally they are built into the instrument but with the current levels involved with two car batteries it’s just not practical.
A shunt is used by an ammeter (a device that measures electrical current). The first decision was where to put the shunt. It was a simple install but getting at all the locations I needed to get to was somewhat of a challenge for my bad back. It learns over time and will give you an accurate reading of how much battery power you have left. Rather than measure the voltage level it measure the amount of current that flows into and out of your battery. It’s a simple device that displays the charge state of your battery. I installed a Victron BMV-702 battery monitor.
Rv battery monitor install mod#
I just completed another mod on my Lance 1995 travel trailer.
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