Inverter (1 Viewer)

[busby]

Would a cable run of 1.4 metres be to long to connect an inverter to my leisure battery. I am struggling to mount it any closer. BUSBY,:Sad:

 

[pappajohn]

it would be fine....if you can find one thick enough which will depend on the output watts of the inverter.

i would think starter motor or electric arc welder cable would just about do it.

 

[SomeoneElse]

How big is the inverter?

This sort of thing is sold in red and black by the metre.
www.amazon.co.uk/All-Trade-Direct-Battery-Starter/dp/B00904MZVO
It would be OK for a 2000W inverter, but I suspect you will need to get the connectors crimped to the ends.

Whereas these guys will make cables to you specified length.
Link Removed
They do other sizes of cable if required.

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[Ed Excel]

You could work it out from these tables:

http://www.csecables.com/technical/table-4f1a.htm
http://www.csecables.com/technical/table-4f1b.htm

The data are for rubber insulated and sheathed cables.
First pick a cable with a suitable current rating for your load from the first table, using the following: inverter watts/12V=Amps.
Then check, on the second table for the cable chosen, the voltage drop in mV/A/m, that's the figure in the table/1000 x inverter amps x length of cable run in metres

Hope you find something for the job

 

[Techno]

You need to provide more information

My 1800 watt Sterling with the supplied cable thrown away as unsuitable and 35mm welding cable fitted in its place

 

[Reallyretired]

I would try to get closer if you can. Don't forget the cable length for the purposes of voltage drop is 2.8m not 1.4m (1.4m each way) and if you're dropping more than a volt in the cable the inverter will probably not work.
You don't give the output of the inverter and this is a critical part of the equation. Obviously if it's a titchy 300w one then its not a problem. A 3Kw one will need cables so thick they won't bend

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[busby]

Inverter is 1200 watt. BUSBY

 

[Techno]

Inverter is 1200 watt. BUSBY

What size inline fuse does the manufacturer recommend?

 

[pappajohn]

Inverter is 1200 watt. BUSBY

running at max output that 100amps/hour out of your battery.

25mm welder cable with crimped and soldered terminals

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[Techno]

running at max output that 100amps/hour out of your battery.

25mm welder cable with crimped and soldered terminals

Peak power could be double that.

My 1800watt Sterling was supplied with 4AWG (21mm) and a recommended fuse of 250amp THAT is why I replaced it with 35mm

 

[busby]

If i mount it in the glove box (how many keep gloves in it) the run from battery to inverter would be about 0.4 of a metre, would that be ok? Thanks for all previous advice from you very very Knowledgeable people. BUSBY

 

[lunarman]

Is it necessary to fit some form of switch in the 12v cable? Is there any drain on the battery even with the 250v output switched off.

lunarman

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[cmcardle75]

If i mount it in the glove box (how many keep gloves in it) the run from battery to inverter would be about 0.4 of a metre, would that be ok? Thanks for all previous advice from you very very Knowledgeable people. BUSBY

Not OK, I'm afraid. Not enough ventilation. 1.4m is fine. Just use starter motor cable. I'd probably use body earth return if you've got somewhere nearby to connect a good thick earth strap.