inverters

A 6 amp one will be more like $69 at a Battery world and dont get sucked into buying a 3amp one as they arent good enough and heat up badly.

Should have said they are called CONVERTERS and up the 12 volt to various voltages as most lappys run on 18-19volts

Thanks for the reply Robin,my laptop is a toshiba satellite m40 series about 3yrs old, where would I go to buy 12volt supply from cigarette lighter if that is what you are suggesting,not much up with this new techicnal stuff, surprised myself eaven getting to buy & use a computer , thanking you Friar.

Thanks Graham you replied while I was replying to Robin.

Hi Friar

My Toshiba laptop only requires 14.4v so I run it direct - however if you are not into this stuff then I don't reccomend that path.

Many places supply what you need , for example Jaycar model MP 3467 at $47 retail but often $39

Ask again if you have trouble locating one

x2
I think the 300 watt inverter I bought from Dick Smiths was only $80,which is only $30 more than the 150 watt on special

Hi friar
It very much depends on the wiring to your ciggy socket
ON FUL LOAD the 300w inverter will draw ABOUT 25AMPS, few if any ciggy sockets are wired to carry that sort of current & the plug will not either.
OF course the inverter does not draw that if it only on light loads such as chargers, lap top charging etc,
Voltage drop due to wiring being too light can also be a problem. Best to connect direct to battery with heavy wiring with a switch to switch off when not in use.
Also just be aware that some gear do not like MSW inverters & no way to know IF they will work without trying.
Pure sine wave WILL work all gear within their watts capacity ,but are more expensive.

I would suggest you hard- wire it (with a fuse)...

Hi
The problem is due to voltage drop in the small wiring to the ciggy socket see reply post6 to friar