21V Lithium Ion Battery Case Shell

This 21V Lithium Ion Battery Case Shell is designed to securely hold and protect your power tool batteries, featuring a durable housing for 10×18650 cells. It includes a built-in Battery Management System (BMS) PCBA for safe and efficient charging, making it ideal for electric angle grinders and other cordless tools.

Constructed from high-quality materials, this battery case ensures reliable performance and long-lasting durability. Easy to install and compatible with various power tools, it’s the perfect solution to maintain and upgrade your battery packs for consistent power and safety.