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Cheap DIY action cam battery charger.

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  • Cheap DIY action cam battery charger.

    Multisoft1978 has posted very simple guide how to make a charger for SJ-type batteries.

    You'll need to get a sub-$1-priced TP4056/TP4057 charging board and a couple of 1.5mm thick pieces of copper or copper plated PCB substrate.

    Click image for larger version

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    This DIY device can charge batteries up to 4.2v.
    You can join several charging boards and charge a number of batteries using only one micro-USB socket.

    Click image for larger version

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    Email me if you have any offers, requests or ideas.

  • #2
    fantastic!

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