Decades ago I made up a 5 D cell battery pack from battery holders I got at Radio Shack, rechargeable batteries are 1.2v, so 5, in series = 6v.


Union DE, made 2 kinds of headlights (same reflector different base).. screw in bulb, or a flange base , which you put halogen bulbs in..

tail light bulbs, screw in and is 0.6w.








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