Waterproof Bluetooth HEMA speaker Battery Replacement

ID: 78699

Description: This guide will tell you how to replace the...

Steps:

  1. Turn the device upside down.
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  2. Pull off the rubber suction cup.
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  3. Unscrew the four 6mm round Phillips #000 head screws on the bottom of the product.
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  4. Remove the rear clamshell.
  5. Separate the battery from the speaker by pulling gently. The foam adhesive will release.
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  6. Unscrew the four 4 mm round Phillips #000 screws that keep the circuit board in place.
  7. Take out the circuit board.
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  8. Detach the battery by gently unsoldering the wires with a soldering iron. Also look at the colors of the wires,
  9. Take note of the location the wires were attached and the negative and positive side.
  10. 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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