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Q & A: long-running LED

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Most recent answer: 03/25/2018
Q:
I use head lamps all the time. they use 3 AAA batteries. i want more light and longer run time. can I wire 3c cells in a pack at my waist and a wire to the headlamp?
- Iain (age 58)
canada
A:

That will crtainly get you more run time. It shouldn't change the brightness much, since the voltage is nominally the same.

Mike W.


(published on 03/25/2018)

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