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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.

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

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    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.

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    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.

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    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.

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    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.

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Conclusion

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

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