One thing to consider here is what you are doing is charging the starter battery and then your DC-DC charger cuts in because it sees a battery it thinks is being charged by the engine.
So the profile and multistage charging will be looking after the starter, and reacting to it's state of...
So I’m using my set up in the field for the first time. Gorgeous sunny day, about 22°c, no shade on the panel, but according g to the Victron app I’m only getting 5-6w from the panel and it’s in float mode which I guess means the leisurebattery is pretty full. My fridge is on EHU, so with no...
Given all the other complexities VW have built in to the T6.1 model, the engine run (alternator charging) signal seems very crude. It did make me wonder whether the presence of this ‘signal’ voltage will ensure the correct operation of the CTEK DC-DC / MPPT charger I’m planning to fit and the...
Should be ok.
8A will cover the loads you mention, provided you use EHU to charge the portable power station and not the 12v conection.
You will find the 120w panel is a bit lacking for a charging the PPP, it will extend your run time a bit.
So for now get it hooked up and see how you go.
if you plan on going for Ablemail AMT12-2 then it sits alongside the DC-DC charger.
it relies on the fact that the Leisure/AUX battery is being charged by either Solar or EHU and will effectively "back-charge" the Starter battery - so if you have some Solar or EHU it will work fine . .
the...
Unless it's configured in a non-standard way, the ablemail should only be directing charge to the starter when there is excess available I believe? This should cover scenarios where the leisurebattery is full, or close to, but there's still plenty of either solar or EHU available. Do you have...
Lead acid batteries are optimised for broadly two uses; either for providing very high current for a brief period (starter) or low current for a long period of time (leisure).
Any battery isn't like a fuel tank, you can never fill a battery back up to where it was as it's a chemical reaction...
PMS3 confusion cropped up in a recent thread. They key to understanding it is that it is a very old design built for caravans.
So, essentially, you never want the switch in "car" as that will drain your starter battery, you want it in "van" (caravan i.e. leisurebattery). Seriously never use...
Firstly, my apologies to those who have asked for pics and my seemingly unwilling to send them. Apart from access to the backs of the batteries and the the ability to put a probe on the terminals, everything else is buried under the two front seats and without removing them, no pic of any use...
Hi, I am having a van day today as it is the first time since i bought it last September that i have had a chance to really explore it! It has a PMS 240v - 12v system (Black box under seat with fuses in) with a leisurebattery and a 60w solar deck. If i understand this correctly, the PMS unit is...
Anything below 11.99v is considered dead flat.
And looking at your plots above there are many occasions where the battery has dropped below 11.99v.
Even down to 9.0v. which is very bad.
Is either the battery is not being allowed to fully charge before discharge cycles.... That battery is a...
Hi pal.
I get charge when the van is running, have no solar as not really needed. Have a fridge running, lights and usbs when out camping. If we have hook up we have a tv too.
The ip22 is only in use when hooked up to EHU. But max we would be off grid is 2-3 days so nothing major.
I have...
While it's not ideal you could also have a dedicated hook up converter that swapped the line and neutral conductors - but have a really big label or marking on it so you know what it is and don't use it for "normal" use.
There is a risk plugging power packs into the EHU socket. They normally...
Thanks, great info re chargers. I don’t seem to suffer from the 80% LB charge issue for some reason. A run will charge it to 12.9v and I’ve not seen any sign of it discharging it to 80%. The starter battery however only seems to go to 12.4v but that is probably past its best anyhow due to age...
The problem is that Westfalia fit them thus - 1x75Ah as standard (although the one in mine is 70Ah) and if a second leisurebattery is requested, it is a 95Ah battery that is fitted.
Apparently with all the wiring and associated electrical gizmos tucked under the seat with the smaller battery...
I decided not to remove any of the panels and disable the charger itself. I plugged the EHU into the mains and used a DC clamp meter to identify the cable from the charger that connects to the leisurebattery. I then disconnected this cable, labelled and made it safe.
The EHU is unaffected and...
Had a similar experience with mine when I found the existing system fitted by a so called professional conversion company (now gone bust!) was not suitable for the van and wasn’t lithium capable. I changed pretty much all of it and fitted solar and relocated the battery and chargers to under the...
Hoping someone can help I’m going crazy!
VW t6 - my van battery went totally flat - trickle charger and started fine been fine since. The EHU won’t charge anything not even leisurebattery. I’ve had the van EHU changed still nothing.
While trying to get it to charge and messing about the MCB...
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