battery charger

tony

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hi to you all experts.

when on EHU is it ok/safe to have the engine battery connected to a separate charger ?

thanks all
tony
 
Your ehu should run the on board charger,if it is only charging service batt and you want engine batt charged to use this cheap splitter unit,mine works a treat.
It can handle up to 16ah so if you have a 10ah on board charger you can put 5ah to each bank,there is an a/b charge wire which one is priority so it will charge the main batt first,so you pick which one.
You can also wire a switch in to divert all charge to any battery,both a/b wire connected,simple.
 

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Yes,

but please use a smart modern charger that is designed to be left connected and unattended.

Old fashioned battery chargers can over charge a battery and also raise the voltage on the vehicle too high and possibly do damage.

Old fashioned battery chargers need to be monitored and not left unattended.

:rulez::rulez::rulez:
 
trevskoda said:
Your ehu should run the on board charger,if it is only charging service batt and you want engine batt charged to use this cheap splitter unit,mine works a treat.
It can handle up to 16ah so if you have a 10ah on board charger you can put 5ah to each bank,there is an a/b charge wire which one is priority so it will charge the main batt first,so you pick which one.
You can also wire a switch in to divert all charge to any battery,both a/b wire connected,simple.
Click to expand...

Looks a nice bit of kit, can I enquire where you bought it from?
Regards Mike
 
When on EHU some chargers are wired to put a low charge into starter battery, but others might not be wired to put any charge at all to the starter battery. Do you know how yours is (or should be wired) ?
 
I don't know the situation with a Laika van but a lot of models also charge the engine battery when on hookup. It might help if you can find this out from your handbook or say what make the onboard charging system is. It's possible that the engine battery should be charging and you may have a fault on it.

If the engine battery is not meant to be charged up on EHU, there is nothing stopping you plugging a separate charger into one of your 240 volt sockets and charging the engine battery independantly.

Hope that helps.
 
tony said:
hi to you all experts.

when on EHU is it ok/safe to have the engine battery connected to a separate charger ?

thanks all
tony
Click to expand...

I do.
I have the basic factory fitted Sargent charger feeding the vehicle battery and my leisure battery bank charged by a Ctek 8 stage intelligent charger.
Works a treat, no issues to date.
 
tony said:
to be honest I don't know how it is wired.
tony
Click to expand...

It would be a good idea to find out what you have and what it's supposed to do, if it's something like a EBL99 then it ought to charge the starter battery, if it doesn't then either it's not been wired to do so or there is a fault.
 
harrow said:
Yes,

but please use a smart modern charger that is designed to be left connected and unattended.

Old fashioned battery chargers can over charge a battery and also raise the voltage on the vehicle too high and possibly do damage.

Old fashioned battery chargers need to be monitored and not left unattended.

:rulez::rulez::rulez:
Click to expand...
Correct i fitted a numax 10ah with 5 stage charging with built in fan,they also do a 20ah model.
I made alloy brackets and fitted to end which held it to wall,much cheaper than buying a b2b unit or any chargers with a motorhome label and price on them.
 

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mikewroe said:
Looks a nice bit of kit, can I enquire where you bought it from?
Regards Mike
Click to expand...

I buy everything from ebay which save fuel running round the country looking for stuff which most folk have nither heard of or be bothered about,they just want to sell there stuff at inflated prices,in most cases it is the same goods rebadged.
 
according to laika when on EHU it is supposed to put a maintenance charge of 2/3 amp per hour into the engine battery.
I will have a look in the daylight to see what make charger I got.

tony
 
tony said:
according to laika when on EHU it is supposed to put a maintenance charge of 2/3 amp per hour into the engine battery.
I will have a look in the daylight to see what make charger I got.

tony
Click to expand...

Have a look close to the engine battery, there could be at least 2 inline fuses. One of them a large maxi fuse of around 50 amps and another of 2 amps. The 2 amp fuse is part of the charging circuit (assuming it is there).
 
Chainsaw Charlie said:
What age is it as my 2004 Laika didn't charge the chassis battery on ehu
Click to expand...

it is the laika R718 ecovip 2007.

I had a new engine battery in January 2016.
last winter it was not starting if it was idle for a couple of weeks even on EHU they said the battery was faulty & it was replaced free in January 2017.
now this winter i'm having the same problem with that battery.

tony
 
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