cafevelo's lead acid powered shower lamp debuts before a totally unphased Keith Bontrager. Here's the shopping list: 4200 mAh lead acid battery (£26), shower lamp for cables and ceramic bulb connector (£10), solar charger (£10), roll of gaffer tape (£5), MR11 20W dychroic halogen lamp (£2.49), polypropylene pipe fittings (£3.50).
Yeah, we know that the battery rolls in at 1.9 kg, but you'll hardly feel the weight in a ruc-sac full of spares...honestly.
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