Battery Case Kit – Complete DIY Power Pack
🔋 21V Battery Case Kit – Complete DIY Power Pack Build your own powerful tool battery with this 21V battery case kit, designed for easy assembly and strong performance. ⚡ Features: Includes PCB charging/protection board Strong plastic case with secure locking system Multiple configurations: 10 / 15 / 20 cells LED battery indicator + power button 🔧 Specs: Output: 21V (5S configuration) Compatible with 18650 lithium cells Durable and compact design
Specifications
- Size
- 10 cell, 15 cell, 20 cell
Variants (3)
- 10 cell — 8.00 USD — In stock
- 15 cell — 10.00 USD — In stock
- 20 cell — 12.00 USD — In stock
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