UPDATE – It’s important for this project to use a better 2S BMS board with overcharge recovery voltage feature.
A big Thank You to my patreons, especially my favorite – Kyle Shankin 🙂
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2S BMS board: https://s.click.aliexpress.com/e/_AKYNqy
plastic box: https://s.click.aliexpress.com/e/_ABLymY
step up converter: https://s.click.aliexpress.com/e/_AeTP1i
charging plug connector: https://s.click.aliexpress.com/e/_A9UT4g
small rocker switch: https://s.click.aliexpress.com/e/_ALF78u
5.5mm connector lead: https://s.click.aliexpress.com/e/_9JLlc0
32V small digital voltmeter: https://s.click.aliexpress.com/e/_AMte1W
8.4V 2A charger: https://s.click.aliexpress.com/e/_9QwBl2
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