Can I run a 10v led bulb off a 9v battery?

Discussion in 'The Projects Forum' started by Stack, May 20, 2014.

  1. Stack

    Thread Starter New Member

    May 20, 2014
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  2. wayneh

    Expert

    Sep 9, 2010
    12,093
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    My guess, and it's just a guess, is no. A standard 9V doesn't can't provide enough current to maintain that voltage, and it will soon sag below 8V.

    I assume whoever wrote that the bulb would work at 10V was being as generous as possible. If they could have said 9V or 8V, they would have.
     
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