Backpack LED question, help?

So I got this backpack from Sports Direct, from the Hot Tuna brand.

It lights up when someone shakes it or touches somewhere specific.

But what I want to know is how do I recharge the LEDS inside or replace them, are they solar powered or something? I don't know.

2 Answers

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  • 8 months ago
    Favourite answer

    Neither do we.

    You own it and can examine it. We don’t and cannot.

    But if you look carefully, following the LED wiring, you should find a plastic box somewhere. That will contain the LED power supply and it will usually be a pair of button cells (typically LR44 also known as 357) or a single coin battery, typically a CR2032/CR2024/CR2016 (all three are 20mm diameter 3v cells, but with a thickness of 3.2mm/2.4mm/1.6mm).

    It’s highly unlikely to be solar powered unless you can see an obvious solar cell on your bag.

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  • khalil
    Lv 7
    8 months ago

    maybe there is soldering trouble.on its pcb....

    a crack around the joint.....

    disassemble it .. use a magnifier to find the bad joint...

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