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watts divided by amps but then you get some loss through the inverter so 1500/12 = 125 amps and then another 10 ish? losses. You would rip through power - both batteries in just over an hour.I was worried about that, given even a repair is more than a dedicated charger, do you think it’s worth biting the bullet?
How would I disable the charging on the EBL, is there an easy fuse to pull?
Fan heater, I wanted to see what current it would draw at 1500 watts. More than 100 was the answer.......
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If I had the room, I would have probably gone for the 60amp Sterling and disabled the split charge relay.Phew long read ....enjoyed your thread.. thank s for taking the time
Like a few on here I've gone over to lithium and on a learning curve..
I still wonder if I'd been prepared to spend an equivalent amount on lead acid whether lithium would have been such a big improvement..in terms of the longevity of the system.. reading seems to suggest it will be worth it and only time will tell..
On your installation do you have any regrets ( other than your aluminium cable ) on chosing to go through the existing psu with your battery to battery rather than direct to the batteries and possibly then upping the capacity of that unit...
And that is not a criticism as I'm in no position to do so....
Thanks again...
Andy.
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And if you ever did, ie, to use a hair dryer for any length of time, to defrost a pipe for example, you know that by running the engine, you've got the B2B giving you 30A immediately, rather than depleting the batteries first.I can’t see me running loads like these very often but nice to know I can easily if needed.
I guess if the batteries are allowed to get too cold to charge for any reason ( ie below 2 degrees) you could use the hair dryer to heat them up to a temp where it would be okay to take charge.And if you ever did, ie, to use a hair dryer for any length of time, to defrost a pipe for example, you know that by running the engine, you've got the B2B giving you 30A immediately, rather than depleting the batteries first.
Great to see the seat back in and everything looking tidy.
Cheers,
Jock.
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I dont think so at all, I think you have created a thread which lots of people will continue to refer too, and lots that will learn from it.Final post as I am quite sure everyone has had enough of being spammed by my tinkering.
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I take it you have the EBL on the Gel setting as I think on AGM it's 14.7v.Checked this morning and the batteries were pulling no amps in from the EBL and were fully charged. Surprising as I didn’t think the EBL would achieve a full charge. Ecotree have told me the 14.4v is fine and indeed, does appear to be. Good news for those like me who don’t want to change their normal charger.
During a sleepless night (Tam's been talking to me about electrics for his new van ) I didn't notice an isolator switch inline with your inverter. If you don't have one you really should fit one. On my install I have an isolator switch and a 100 amp relay that is switched remotely.
I take it you have the EBL on the Gel setting as I think on AGM it's 14.7v.
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I would, so you can isolate it when not in the van, if the inverter developed a fault you wouldn't want a nice bonfire.I don’t have one, do I need one? The inverter switches off and pulls nothing out the battery so I didn’t fit a separate isolator
The victron inverter it’s got a switch built in, and also via dongle can be switched as well.During a sleepless night (Tam's been talking to me about electrics for his new van ) I didn't notice an isolator switch inline with your inverter. If you don't have one you really should fit one. On my install I have an isolator switch and a 100 amp relay that is switched remotely.
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That’s buggered it again!
Just checked the specs of my big panel, it’s a 275 watt and not a 250.
That means it’s too much for the one controller I have if I stick in the 90 watt as well.
As above I am afraid, one is an old 90 watt and the other newer one is a 275 watt.
I reckon I can get a 150 in the place of the 90 watt though, so I might wait till the 90 expires and go that way.
Not easy this motorhome stuff is it?
Always get your cables from a welding supply company much better quality and lots cheaper as well they are used for earth cables for welding plants so they are the best of stuffCheck Oxford welding supplies, they have a shop on eBay as well. Definitely cheaper, I got 35mm for 5 a meter and lug.
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