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ta fur that - aint seen that sorta fing before.
if yu can make it down, i gorra space int cab - yu is welcome.
if yu can make it down, i gorra space int cab - yu is welcome.
split charger or double battery
- Thread starter keefa
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shadowster
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mad hat man
did you wire the isolator to the a/nator or just between the two batteries
wiring aint my strong point
and if its just between the two batteries that would be great what way would i wire it up
cheers shadowster
did you wire the isolator to the a/nator or just between the two batteries
wiring aint my strong point
and if its just between the two batteries that would be great what way would i wire it up
cheers shadowster
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- Embasinga stocæ
- Posts
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- Embasinga stocæ
shadowster
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cheers for that mad hat man
i will give it a go
cheers shadowster
i will give it a go
cheers shadowster
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A split charge system is only £20-£30 off fleabay.
One other thing - as I abhor scotch-lok connectors - i used a piggy-back terminal on to the alternator.
One other thing - as I abhor scotch-lok connectors - i used a piggy-back terminal on to the alternator.
shadowster
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mad hat man
i work in a boat chandlers and there is one lying about the place
i only want it for very light use if i wire up the two batteries that would probably be enough its only a few lights for my new roof tent
but i will study the plans
cheers shadowster
i work in a boat chandlers and there is one lying about the place
i only want it for very light use if i wire up the two batteries that would probably be enough its only a few lights for my new roof tent
but i will study the plans
cheers shadowster
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I believe the prob with wiring up two batteries in parallel is that the discharge rates will be different and the lower powered battery will load the better one and knacker it.
shadowster
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cheers for the help M.H.M. will go with the isolator and let you know how i got on
shadowster
shadowster
shadowster
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what if i put a battery switch in between the two batteries and switch off the cranking battery when im camping then switch it back on to charge when i'm on the move whoulds this work
shadowster
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it wud work - but why bother re-inventing the wheel? Just use a switched split charge system. Only about £23 from fleabay with all the fuses, cable, relay etc.
shadowster
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aye your right i was just trying to use the stuff i've got here
isolator , battery switch with all the messing about i would be cheaper
getting it from ebay
cheers anyway shadowster
shadowster
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would this one do ebay number 150216769824 or would i need a bigger one more than 40 amps
cheers shadowster
Griffdowg
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there is a reason x eng use a higher rated relay
X-eng High Performance Off-Road Engineering
i wouldnt get a 30/40amp if your planning on running a 3way fridge, winch or super dupper spot lights
G
X-eng High Performance Off-Road Engineering
i wouldnt get a 30/40amp if your planning on running a 3way fridge, winch or super dupper spot lights
G
shadowster
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there is a reason x eng use a higher rated relay
X-eng High Performance Off-Road Engineering
i wouldnt get a 30/40amp if your planning on running a 3way fridge, winch or super dupper spot lights
G
hi giffdowg
it will only be used for small amp things lights for in the tent ,radio no heavy drain stuff like a fridge,winch.ect what do you think
shdowster
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wots the max output of yo alternator - go fur one which will cope with at least that.
Griffdowg
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i got a 100amp alt
shadowster
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think mines is 65 amp will see if i can get one about that
will it blow up the relay if the alternator is larger than the relay
shadowster
will it blow up the relay if the alternator is larger than the relay
shadowster
G13SJC
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Wont blow up, but could get hot / melt if current is more than rated.
I started by upgrading my vehicle battery (In previous Rover 220) from 55AH to 110AH. (Fitted a RR battery - Varta Type). I then bought another one, fitted in the boot and used an isolater to manually control when charge was delivered. This worked for me for 5 years (now changed cars, so stripped the batteries out etc) and allowed me to leave my sidelights on all night (when parking on roads etc), jump in the car and if the main battery wouldn't turn the vehicle over I could flick the isolator connect the slave battery and start the car. The alternator 85AH then did a splendid job of keeping both batteries fully charged.
When camping I would driain the slave battery with fridge, invertor, tent lights etc and then start vehicle from main battery, engage isolator and top up the slave battery when going out for the day.
Had no issues whatsoever and no relays to melt.
I have put 1 of the 110AH batteries under the freelander's bonnet by cutting the edge of the battery tray and I may mount a spare in the boot if we go camping again.
The diagram is very helpful and is basically how I wired up my batteries, with just an isolator in place of the relay.
Hope this is useful.
Regards,
Steve
shadowster
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i take it your talkin about the isolator with the red key for on and off
(battery isolator switch)
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