Any body tried one of the cheap lithium battery packs off eBay ?
Dont do a lot of lamping to warrant spending £100+ on a battery , was thinking at less than £25 one of these might be worth a punt , I’m only using a lance with a 75w bulb
https://m.ebay.co.uk/itm/Portable-DC-12V-20000mAh-Rechargeable-Lithium-Ion-Battery-Charger-Adapter-Blue/302870946145?hash=item468483e161:g:meYAAOSwtgFbj18-