I just picked up one of LiDL's current offer LED under-cabinet lights for £10: got the 7W output one, and it's brilliantly bright and very light (weight). Haven't found a use for it yet but it may find its way onto the van as a work light, as an alternative to the rather bulky 2D tasklight (with some hooks, magnets and/or velcro straps attached to hold it onto things).
Recommended.
(Also got an LED GLS replacement from Clas Olson recently, also a tenner, also 7W, branded "V-LIGHT", also excellent: was going to try it in the PIR-switched outside light but no good because it flickers, but excellent replacing a 20W CF in our landing light. Now all I need are some decent, reasonably priced GU10 replacements - any recommendations?)