Morning chaps, was just wondering, if anyone can help. What size inverter would I need to power a 17inch flat screen tv??
300 watt would be fine, that’s what I used on mine 
You could go as low as 150w but 300w would be better mate 
We used these …worked great.
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300W 24V to 240V INVERTER mains power converter 24 volt lorry truck 300 watt
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Yep 300w with a 600w surge. I bought a mobitronic by waeco from Lymm about 7 years ago and it’s still perfect. Moral, don’t buy a cheap one.
wildfire:
300 watt would be fine, that’s what I used on mine
Is that hard wired to battery or via the 24v cig socket?
Here you go Andy I have one of these and its very good
Click on link
maplin.co.uk/300w-24v-inverter-97061
0
Mains power whilst on the move
Runs mains powered electrical equipment from a 24V battery
Suitable for mobile phones, camcorders, AV equipment, laptop computers, TVs up to 19-inch, portable work lights and more
300 watts’ continuous power with 900 watts surge
Modified sine wave
Automatic alarm and shutdown protection against overload, over temperature and low battery conditions
One, three prong grounded AC outlet
Quiet operation
Thanks for the info men, ill go n purchase one today…
One quick thing - if you can afford a pure sine wave one, it is much kinder to laptop chargers and sensitive electronic equipment. The modified sine wave ones changes constant curve between -240v and 240v to square ‘bursts’ in both directions. For some equipment you can get away with this. For anything sensitive I would spend the extra on something that delivers exactly the same signal the thing gets when it is plugged in at home.