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Yea seems good, I've paid more for dual battery volt meters so its good value IMO.
we are going camping 13th - 17th of this month so I'll see how it goes and report back
Fitted the unit in full, now to make sure the batteries are at max capacity then to reset the unit.
Pics of it in the camper front box with the batteries on charge beneath the unit. I was going to put the display in the camper but couldn't be bothered lmao and at this price I may just buy another unit and tap it into this unit putting it in the camper kitchen.
So we gave it a test run wed-Sunday and The days Temps were 2-18degrees so the fridge barely kicked in.
we had our 80 ltr waeco running on fridge/freezer and led lights for about 9 hrs per day phones,cameras,ipad charging etc and a 120w panel to top it up during the day With 210ah batt capacity
Wed- fri we never went lower than 98.6 % though on the sat it was raining and we went down to 92% by Sunday morning. So I think summer will have to be the real test when temps are up and we will be running our drinks fridge also but I'm very happy with the unit so far cheers cuppa
I got mine today, 100A version. Part of the installation process is to calibrate the meter for zero volts and then connect a 33v supply to correctly read a high voltage. I don't have a 33v supply (I suppose I could use 22 batteries). How did anyone else calibrate this and what did they use?
I got mine today, 100A version. Part of the installation process is to calibrate the meter for zero volts and then connect a 33v supply to correctly read a high voltage. I don't have a 33v supply (I suppose I could use 22 batteries). How did anyone else calibrate this and what did they use?
That's weird.
But short of joining 3 batteries with exactly 11v in each.........
I'd be asking any radio tech guys or elecy to see if you can find variable voltage supply unit which will supply 33v.
Looks like it's only required to test the reading of a higher voltage, so I just used 3 x 12v batteries and tested the reading against my digital multi-meter, the readings were the same. Now to wire the 100A shunt in.....
My display unit is temporarily mounted in dash in front of the passenger. I have removed the trim panel there to make a second glovebox (still pending) and have it cut into there.
These look like a useful bit of gear. Monitors that do what this one does usually cost $200 to $400.
Comes with the shunt & shows voltage, amps in & amps out, battery percentage (State of Charge), time to full charge (at current charging rate) & more.
In fact it does all that my NASA BM1 ‘Compact’ monitor does which I bought at a bargain price of $140 (usually closer to $240).
I have no direct experience of these units but do know of one person who is using one successfully & he is not someone likely to accept rubbish.
Thanks Cuppa good spot, also thanks to all the posts, setting up dual battery soon, so accumulating components, ordered the 500A today, may fit winch later to auxiliary battery