Charger for 220ah leisure batteries

Rioja John

Rioja John

Neckender
T6 Legend
Can anyone show me a link or tell me which Gel charger I need for 220ah of leisure batteries, I use my T6.1 as a day van and I have had professionally fitted a 110 ah gel leisure battery and a Sterling B to B smart charger 12 volt only, and if on hook up I bought a CTEC 7 ah charger and a camping 240v circuit breaker with three 240 outlets which worked fine. I have fitted a second 110 ah gel battery and now the CTEC will not charge the 220 ah of batteries as it is only capable of charging 140ah max of batteries.
So could any one tell me which is the best charger for my setup. @Dellmassive
Thanks for any advice you can give me.

John. C496F727-D93E-432F-B109-38F135E5EAB6.jpegAD30144E-FB46-45D0-871D-8E63DE64E7B1.jpeg
 
I would go for 10-20A charger per 100ah battery.

So 20-40A charger for both combined.

Victron do a nice IP22 30A charger..

I have two of them, there awesome.

And have the Bluetooth via the Victron APP.

So that would be my recommendation.

Here's mine....


20220527_052610.jpg

.
 
Dellmassive said:
I would go for 10-20A charger per 100ah battery.

So 20-40A charger for both combined.

Victron do a nice IP22 30A charger..

I have two of them, there awesome.

And have the Bluetooth via the Victron APP.

So that would be my recommendation.

Here's mine....
Click to expand...

Agree, see point 15 here: https://www.victronenergy.com/upload/documents/Datasheet-GEL-and-AGM-Batteries-EN.pdf

Victron recons 44A as a *max* limit for a 220Ah Victron battery. Most gel batteries will have similar recommendations. They suggest temperature compensation if going higher. Experience shows that running well below limits give good service life.
 
Rioja John said:
Another question is a single stage output ok for my 220 of gels or do I need a 3 stage output?

John.
Click to expand...
I think you are referring to the two versions of the charger Victron offer on the IP22.

They do the single output, and also the triple output., that's designed for charging multiple battery banks (of same chemistry type).( On a sea vessel for example)

The Victron has about 6 charge "stages" as part of the charger profile s. .... The physical outputs are a different thing.

I have two of the single output versions.

Assuming both your batterys are hard wired together?.... You can use the single output charger.

If you get the three output charger, that's also fine. .... Just connect one of the outputs to your battery bank...

If your two batteries are wired seperate then you can use output 1&2 for each battery.

In theory You could use one of the seperate outputs (say 3) to contact to the starter battery (gel and AGM have very similar charge profiles).... To keep that charged when on EHU. - (would need to double check the setup and settings etc)( you could pickup both batterys at the DC-DC charger)



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3x output:

1653710073749.png


..


1x output:

1653710126584.png
 
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also . . . seeing as how you will have 240v grid mains in the van . . .

look at earthing the chassis.


1653711937435.png


more on that here:


www.t6forum.com

Using Mobile Power unit as an EHU Earth question.

Hi, I have a mobile camping power unit (4 sockets, rcd and mcb in one). I was thinking of repurposing it as an EHU. The thinking seems to be that it should be earthed to the body. So my question to the fine folk of the forum is, if the power unit is close and wired to a charger which is...
www.t6forum.com www.t6forum.com





.


an easy fix,

see @Salty Spuds reply.

All you need to do is make sure the incoming earth from the mains is securely bonded to the van body. There’re a couple of ways to do it. You could have a 13A plug with a length of earth cable (I’d use something like a Tri-rated 2.5mm ) connected to the earth pin in the plug & to an earth stud on the van body. When you use the hookup box, plug the earthed plug into one of the sockets on the EHU box. This will connect the van to mains earth. The other way would be to wire an earth flying lead out of the EHU box & somehow connect that to the van with something like a large crocodile clip or welding earth clamp, probably not as elegant as option 1. Another option would be an earth spike connected to the van & hammered into the ground when you pitch. What you’re aiming for is to provide a better earth for any fault current than a person would provide.
The last option is do nowt & hope nothing goes wrong, which in truth it probably won’t, until…..


1653712008462.png
 
What setting will I need to set the charger output too with GEL batteries.?

Low 14.4V or High 14.7V

John.
 
what gell batteries?

got a spec. . .

or . . . . pics?
 
They’re 2- 110 AH Gel batteries I don’t know the make as they’re both wired up in covered boxes and I’ve put everything back together, there’s no labels on the top of the batteries so I would have to disconnect them to remove 1.
I’ve looked on the internet and from what I’ve read and understand they need to be set at normal.
John.

F3B7F2C6-982A-4372-AA92-50F64B556041.jpegEEA203E1-9123-435B-97AB-B61F88A46151.jpegC849DA8A-FA4B-423D-90F7-E641D4C948FA.jpeg85ADC0C2-0EA5-4C22-8850-E6440D69DD41.jpeg
 
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