I know it’s the old round pin we used for phones back in the day but can someone send me a link to the exact one because I’m seeing too many round pin charges of different sizes. Also where do I go for tech help related questions like these? Is this the right community?

  • phx
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    1 year ago

    Barrel plug, same as you’d find on the power supply for many laptops etc. You need to know:

    • the voltage/amps of the adaptor (may be listed on the bottom or side of the lamp). It must be the matching voltage, amps can be higher than listed

    • The barrel size (outer diameter, inner diameter, length), can be measured with calipers

    • Polarity of the tip

    If there’s an electronics repair place anywhere nearby they might be able to figure out the barrel size etc for you.

    See also:

    https://electronics.stackexchange.com/questions/33968/how-to-tell-polarity-expected-of-a-dc-barrel-jack