Battery Case Kit ā Complete DIY Power Pack
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š 21V Battery Case Kit ā Complete DIY Power Pack
Build your own powerful tool battery with this 21V battery case kit, designed for easy assembly and strong performance.
ā” Features:
- Includes PCB charging/protection board
- Strong plastic case with secure locking system
- Multiple configurations: 10 / 15 / 20 cells
- LED battery indicator + power button
š§ Specs:
- Output: 21V (5S configuration)
- Compatible with 18650 lithium cells
- Durable and compact design
Battery Case Kit ā Complete DIY Power Pack
Sale price$8.00
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