KW88 Pro Battery Replacement (BMS transplant)
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Published on ● Video Link: https://www.youtube.com/watch?v=WQHavsTExMc
In this video I disassemble a Kingwear KW88 Pro smartwatch and replace the battery cell. The BMS from the previous battery is soldered onto the new one as buying the cell by itself without the BMS and connector was much cheaper.
Timestamps:
0:00 Intro
1:32 Removing the back cover and sim cover
2:29 Disconnecting heart sensor and removing shield
3:12 Disconnecting other parts
4:20 Removing logic board
4:58 Removing battery
5:29 BMS transplant
7:57 1st soldering attempt
9:43 2nd soldering attempt and my mistake
11:14 Finishing the battery
12:21 Test fitting new battery
12:30 Re-installing logic board
15:38 Testing the watch
16:10 Re-installing the back cover and sim cover
16:52 Conclusion
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