240v invertor for motorhomes

[garry63]

Hi I have a mh with solar panel on but want a 240 socket for the odd gadget when not on hook up. Best way to do please

 

[LesW]

Hi I have a mh with solar panel on but want a 240 socket for the odd gadget when not on hook up. Best way to do please.

Perhaps look for 12v chargers.

 

[garry63]

Looking to plug in 240v gadgets

 

[funflair]

What would be the maximum wattage of the "gadget" you want to plug in? pure sine wave inverter sized a bit bigger but all depends on your battery bank which you haven't told us about yet

 

[garry63]

Need to look at battery but think its 110ah none lithium. Got a small portable air con unit that plugs in dont know the wattage

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[garry63]

Whats cost of decent 600w invertor?

 

[NigelNovice]

Get an inverter or a generator, how many leisure batteries have you got? I've got two 100 ah and a 3000W Pure Sine Wave Power Inverter lets SWHTBO dry her hair

 

[Tombola]

Air con isn't gonna run from an 110 lead batt.

If you only want to run something small then a small inverter 400-600w will cover. But without more details we can't really advise.

Google or Amazon for costs

 

[funflair]

Need to look at battery but think its 110ah none lithium. Got a small portable air con unit that plugs in dont know the wattage

If that's an evaporative cooler you might be OK, but otherwise "no chance" evaporative cooler you fill with water. With just a single 110 lead acid you would have to be really careful with an inverter.

 

[KimSteve]

Perhaps look for 12v chargers.

You can get 12v to 240 v inverters

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[Reallyretired]

While realising I will be shot down in flames for mentioning it I have an ecoflow mini that will power the hairdryer and occasional low wattage kettle. Requires no installation and will charge up in no time when you do have ehu.

 

[Tombola]

While realising I will be shot down in flames for mentioning it I have an ecoflow mini that will power the hairdryer and occasional low wattage kettle. Requires no installation and will charge up in no time when you do have ehu.

Yeah they come in handy for the odd usage. Bit expensive for what they are but are certainly usaeable

 

[garry63]

Get an inverter or a generator, how many leisure batteries have you got? I've got two 100 ah and a 3000W Pure Sine Wave Power Inverter lets SWHTBO dry her hair

How much was your invertor

 

[garry63]

If that's an evaporative cooler you might be OK, but otherwise "no chance" evaporative cooler you fill with water. With just a single 110 lead acid you would have to be really careful with an inverter.

Its a water fill

 

[garry63]

If that's an evaporative cooler you might be OK, but otherwise "no chance" evaporative cooler you fill with water. With just a single 110 lead acid you would have to be really careful with an inverter.

Careful why?

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[funflair]

Careful why?

Why? because an inverter running too many watts could very quickly flatten/ruin a 110 ah lead acid.

 

[NigelNovice]

How much was your invertor

I paid £102 for it, was on offer, now £139, I hard wired it in with some 6mm cable as the ones that came with it weren't long enough.

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[garry63]

I would only run one item at a time

 

[Bessy765]

You will use approx. 26 amps @ 12 volt d.c. to produce 1 amp @ 240 volt a.c. At best you will get 55 amps from your 110 amp battery if fairly new and fully charged. Any more than that you will shorten the life of your battery. Whatever you take out the means to recharge it is just as important.

 

[garry63]

I know you mean well but thats just fried my brain

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[Nanniemate]

Lidl have a 300W on sale for £27.99 worth looking at

 

[NigelNovice]

I got a 300w for sale well it will be when I get round to it that I took out to put the 3000w in

 

[garry63]

I got a 300w for sale well it will be when I get round to it that I took out to put the 3000w in

How much

 

[LesW]

You can get 12v to 240 v inverters

Why would you convert 12v to 240v to charge a 40v (for instance) laptop when there are many 12v adapters available.

Inverters are OK if you need 240v, microwaves, hairdryers etc.

 

[Kannon Fodda]

Many electronics, especially if it has any form of chip to control it, will need a pure sine wave inverter.

For small, not heat producing, gadgets including laptops, e-bike battery chargers and simular a 300W output may be OK.

If you are running something like coolers, heater, toaster, kettle, hairdryer, microwave these should all have labels showing their wattage. Allow a little bit more for safety, especially microwave that can have a sudden start up current.

Now look at battery. This has maximum charge/discharge rate, often the C rate. Exceed that and the battery won't last long. Batteries also have a storage capacity and for lead acid types only 50% usable else the battery dies quickish. As above inverter pulls a lot of current at 12V to give 240V, so if you have 100Ah lead acid battery, 50% gives you 50Ah for inverter, lights and anything else and even a small 25A @ 12V load wouldn't give you 2hours draw if you are needling other things too.

Edited for typos

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[garry63]

I need 240v only 1 socket

 

[Kannon Fodda]

Why would you convert 12v to 240v to charge a 40v (for instance) laptop when there are many 12v

I have a laptop needs 140A beyond capabilities of a 12V socket. But agree, if possible look at 12V charging, or USB charging for gadgets as much more efficient.

 

[Kannon Fodda]

I need 240v only 1 socket

Most smaller inverters will have a 240V socket on their housing. Ideal to keep simple for one connection gadget at a time.

 

[garry63]

Y

Many electronics, especially if it has any form of chip to control it, will need a pure sine wave inverter.

For small, not heat producing, gadgets including laptops, e-bike battery chargers and simular a 300W output may be OK.

If you are running something like coolers, heater, toaster, kettle, hairdryer, microwave these should all have labels showing their wattage. Allow a little bit more for safety, especially microwave that can have a sudden start up current.

Now look at battery. This gascs maximum charge/discharge rate, often the C rate. Exceed that and the battery won't last long. Batteries also have a storage capacity and for lead acid types only 50% usable else the battery dies quickish. As above inverter pulls a lot of current at 12V to give 240V, so if you have 100Ah lead acid battery, 50% gives you 50Ah for inverter, lights znd anything else and even a small 25A @ 12V load wouldn't give you 2hours draw if you are needling other things too. the first one thats

Many electronics, especially if it has any form of chip to control it, will need a pure sine wave inverter.

For small, not heat producing, gadgets including laptops, e-bike battery chargers and simular a 300W output may be OK.

If you are running something like coolers, heater, toaster, kettle, hairdryer, microwave these should all have labels showing their wattage. Allow a little bit more for safety, especially microwave that can have a sudden start up current.

Now look at battery. This gascs maximum charge/discharge rate, often the C rate. Exceed that and the battery won't last long. Batteries also have a storage capacity and for lead acid types only 50% usable else the battery dies quickish. As above inverter pulls a lot of current at 12V to give 240V, so if you have 100Ah lead acid battery, 50% gives you 50Ah for inverter, lights znd anything else and even a small 25A @ 12V load wouldn't give you 2hours draw if you are needling other things too.

You're the first to explain properly

 

[cmcardle75]

I need 240v only 1 socket

Seriously, it isn't about the voltage. All these inverters convert 12V to 240V. However, the wattage is extremely important. 240V to run a laptop charger (at 65W) is very different to 240V to run a multi-unit house air conditioner (3000W). Your 110Ah battery is good for about 300W, regardless if the inverter can deliver more.