DIY 12V 7Ah 18650 UPS Replacement battery

Описание к видео DIY 12V 7Ah 18650 UPS Replacement battery

1. Old electric bicycle battery
2. Battery batch charging
3. Battery batch capacity test
4. Battery capacity pairing
5. Battery spot welding
6. Connect to BMS
7. Assemble
Step: https://www.yousun.org/archives/660

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