LED lights - build 'em yourself?

We're off to do a night relay race next weekend. I've got a few lighting options, but one of the things I've been toying with is building a set from scratch. It seems to me that with LED bulbs getting cheaper every day (http://tinyurl.com/ledbulb) and rechargeable batteries increasing in capacity *and* getting cheaper (http://tinyurl.com/7dayshopbatteries) it should be possible to work up a decent 3W system with a 2.5Ah battery for not much more than about £25, assuming that you've got a few bits and bobs (like old light mounts and bits of wire) in your shed.

Anyone got any experience of making an LED light set?

If you're new please join in and if you have questions pop them below and the forum regulars will answer as best we can.

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