Has anyone ever used one of these to convert cigarette lighter into normal plug socket?
I want to know if it will be enough to power the built in pump on the new aerobed I want to buy. Normally have EHU but for one weekend a year we go to site that doesn't have it. I don't really understand watts and amps
hi
have a look on your pump,it will tell you the wattage on it.if it is below 75 watts then the one you have posted will be fine,if it is higher then no.you can get them to go up to 150watts plus.
you will be limited to around 450W through a cigarette lighter socket. they tend to not cope well with current draw above this. above 450W you need a dedicate dcircuit or clip onto the battery terminals. i used tokeep a 150W one in the camp box for the airbed pump till i found a great 12v pump .
A lot will depend on the fuse rating of your socket. You may find that while the inverter is capable of outputting the required amount the socket is not. Check the fuse rating before connecting the inverter.
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Had a quick look at the aerobed website, says pump is rated for 0.5A at 230V thats Power=Volts x amps = 115Watts of power. This may be just the rating but not what it actually uses but its a good start. The unit you linked to is not powerful enough Better to get one of these for the same price.
www.amazon.co.uk/Vehicle-Caravan-Inverter-Output-Adapter/dp/B0035VZH9A/ref=cm_cr_pr_sims_t
You need atleast 150W I would say.
Or if you worry about your cigarette lighter then connect one direct to the battery like this one.
http://www.amazon.co.uk/Ring-Automotive-RINV300-Powersource-Inverter/dp/B000TLSLQ0