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Waterproof Bluetooth HEMA speaker Battery Replacement

What you need

  1. Waterproof Bluetooth HEMA speaker Battery Replacement, Battery: step 1, image 1 of 1
    • Turn the device upside down.

  2. Waterproof Bluetooth HEMA speaker Battery Replacement: step 2, image 1 of 1
    • Pull off the rubber suction cup.

  3. Waterproof Bluetooth HEMA speaker Battery Replacement: step 3, image 1 of 1
    • Unscrew the four 6mm round Phillips #000 head screws on the bottom of the product.

  4. Waterproof Bluetooth HEMA speaker Battery Replacement: step 4, image 1 of 2 Waterproof Bluetooth HEMA speaker Battery Replacement: step 4, image 2 of 2
    • Remove the rear clamshell.

    • Separate the battery from the speaker by pulling gently. The foam adhesive will release.

  5. Waterproof Bluetooth HEMA speaker Battery Replacement: step 5, image 1 of 1
    • Unscrew the four 4 mm round Phillips #000 screws that keep the circuit board in place.

    • Take out the circuit board.

  6. Waterproof Bluetooth HEMA speaker Battery Replacement: step 6, image 1 of 1
    • Detach the battery by gently unsoldering the wires with a soldering iron. Also look at the colors of the wires,

    • Take note of the location the wires were attached and the negative and positive side.

    • Take a new 3,7V 400 mA Lithium battery and solder it to the circuit board where the old battery was attached.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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