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Discuss Ultra bright LED off a battery supply. in the Electrical Wiring, Theories and Regulations area at ElectrciansForums.co.uk.

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  1. Dorsetguy.
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    Dorsetguy. New EF Member

    Location:
    Dorchester
    Hello. Can anyone tell me how to run an ultra bright, even car headlamp if possible, off a battery source? Battery supply needs to be as small as possible, small enough to fit inside an item about the size of a cigar tube and the bulb needs to be no wider than about 10mm. Any ideas?
     
  2. Richard Burns
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    Richard Burns Trusted Advisor

    Location:
    Cambridgeshire
    Business Name:
    Richard Burns
    A car headlight bulb is 12V so you would be restricted to 12V A23 batteries at that size, they would run a car headlight for about 1 minute before going flat. Even a G4 6W bulb would only last 10 minutes.
    I would suggest that buying a pencil torch and dissembling it for parts would be the most effective means of proceeding.
     
    • Like Like x 1
  3. snowhead
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    snowhead Trusted Advisor

    Location:
    Mildlands
  4. paul291277
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    paul291277 Regular EF Member

    Location:
    Hertfordshire
    • Agree Agree x 1
  5. paul291277
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    paul291277 Regular EF Member

    Location:
    Hertfordshire
    10mm diameter? Sorry, ignore my last comment
     
  6. PEG
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    PEG Trusted Advisor

    Location:
    Manchester
    Ledlenser X7R and some gorilla tape.
     
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