Richy
'Can anyone reccomend anything to use? maybe an ebay link?'
You've been recommended a suitcase generator by BDCS. That's what I use. Mine is from Machine Mart 850 watt, runs on 2 stroke and perfect for the job - 80 quid!!!
I run a 1000 watt inverter in my van but this is run from 2 x 110amp batteries that are on a heavy duty split charge relay, I would never try and power heavier equipment from it. It runs my telly and lights.
Rob