gel batteries | MotorhomeFun | The Motorhome Support and Social Network

gel batteries

Dec 9, 2013
70
23
Derbyshire
Funster No
29,326
MH
Coachbuilt
Exp
Since 2005
Hi I have a 2015 Rapido a class would I be able to put a gel battery on there is no switch on the charger as I can see the one that is on is a banner flooded thanks albial
 

Lenny HB

LIFE MEMBER
Oct 18, 2007
21,889
27,367
On the coast in West Sussex
Funster No
658
MH
Hymer B678 Dynamic Line
Exp
Since 2008 & many years tugging
Unless your charger has a setting for Gel they will never fully charge so not advisable.
It might help if you posted make and model of charger.
 
OP
albial
Dec 9, 2013
70
23
Derbyshire
Funster No
29,326
MH
Coachbuilt
Exp
Since 2005
Hi Lenny Just had a look at the charger it is CB516 and CBE.

Thanks albial

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Theonlysue

LIFE MEMBER
Sep 14, 2009
5,578
5,741
Essex
Funster No
8,456
MH
Hymer ML-T 630
Exp
Not long enough!
Looks like there is a gel setting.
You should be able to get manual online.
If you have solar, there may be a setting on your solar charger as well.
Screenshot_20190402-181500_Samsung Internet.jpg
 

Theonlysue

LIFE MEMBER
Sep 14, 2009
5,578
5,741
Essex
Funster No
8,456
MH
Hymer ML-T 630
Exp
Not long enough!
Also they reckon 1 amp on charger for 10 amp battery.
I have 36a chargers for 360 ah exide gel batteries.
 
OP
albial
Dec 9, 2013
70
23
Derbyshire
Funster No
29,326
MH
Coachbuilt
Exp
Since 2005
Thanks theonlysue that's really helpful. Will have a look into it.

Albial

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Lenny HB

LIFE MEMBER
Oct 18, 2007
21,889
27,367
On the coast in West Sussex
Funster No
658
MH
Hymer B678 Dynamic Line
Exp
Since 2008 & many years tugging
Just had a look at the manual here as Sue says it's fine for Gel, Looks like you have to take the case off to change the switch to Gel.
As for size of chargerrelitive to battery bank size it depends how yoiu use your van. Although in my Hymer I have 3 Gel batteries on the Leisure side I only have the standard 18 amp charge. The reason I've not upgraded the charger is because I ralely ever use mains to charge the batteries I rely on 300 watts of solar. Only likly to overload the charger if changing the batteries from flat.
 

Theonlysue

LIFE MEMBER
Sep 14, 2009
5,578
5,741
Essex
Funster No
8,456
MH
Hymer ML-T 630
Exp
Not long enough!
Also on my hymer, there was a schaudt wa121545 booster. This is to give optimal charging whilst driving.
This needed to be set to gell as well.
 

Lenny HB

LIFE MEMBER
Oct 18, 2007
21,889
27,367
On the coast in West Sussex
Funster No
658
MH
Hymer B678 Dynamic Line
Exp
Since 2008 & many years tugging
Also on my hymer, there was a schaudt wa121545 booster. This is to give optimal charging whilst driving.
This needed to be set to gell as well.
That's because you have a smart alternator on your Merc.

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