Battery charger / split charge relay (1 Viewer)

Dec 12, 2020
53
93
Funster No
78,445
MH
Van conversion
Exp
I'm a newbie
Hi guys got a question

should my split charge relay open when I have a battery charger connected to my leisure battery as I have noticed it comming on when the battery charger is on. If this is normal will it be Charing my van battery as well.

Thanks
 
Sep 29, 2019
3,039
7,026
Funster No
64,846
MH
Hymer Exsis
Exp
20 years
That doesn’t seem right. Unless it’s a battery master type that is meant to do so.
 
Aug 4, 2019
1,923
8,510
North East Riviera
Funster No
62,993
MH
Low profile
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Enough to Survive
It would be more normal if it was the other way round......One of my vans would open the Durite vsr if I hooked a mains charger up to the van battery, thus also charge the leisure battery.

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Nov 9, 2015
366
451
Shenfield, Essex
Funster No
40,105
MH
Carthago Malibu PVC
Exp
35+ years mainly in VW's
Hi Tonydom

On my self built VW T4 camper, I had a voltage sensing split charge relay which was bi-directional, ie if it was on hookup, the higher voltage on the leisure battery would trigger the VSR and charge the engine battery, and conversely if a charger was put onto the starter battery, the VSR would trigger and charge the leisure battery as well.

Cheers

Trevor
 

TheBig1

LIFE MEMBER
Nov 27, 2011
17,600
43,031
Dorset
Funster No
19,048
MH
A class
Exp
many many years! since I was a kid
Think about it, it's a handy feature if the charger is powerful enough to charge both simultaneously as in 10% of the combined capacity or more

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OP
OP
Tonydom
Dec 12, 2020
53
93
Funster No
78,445
MH
Van conversion
Exp
I'm a newbie
Thanks guys I had an idea that the charger would charge the leisure battery if connected to van battery I had no idea that it could work in reverse
 
Jan 26, 2020
44
131
New Forest
Funster No
68,335
MH
Autotrail Apache 700
Exp
Since October 2019
Yes it’s normal I have fitted loads of the attached pic and they do this.

3ECCF6A9-84FA-4082-96AB-C464B19D528C.jpeg

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OP
OP
Tonydom
Dec 12, 2020
53
93
Funster No
78,445
MH
Van conversion
Exp
I'm a newbie
Well that's solved it guy thank you so much setras431dt that's the very one I have fitted 👍
 

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