5x21700 Li-ion Battery Case with Charging Protection for Dewalt 18V 20V Tools

Need a secure and reliable way to upgrade or rebuild your Dewalt battery pack? This 5x21700 Battery Case with PCBA Protection Board is the ideal solution for DIYers, technicians, and tool enthusiasts who want to restore power to their Dewalt 18V/20V lithium tools. With a built-in charging protection circuit, it safeguards your power cells while keeping your workflow uninterrupted.

Key Features

• Holds 5×21700 cells (cells not included)

• Compatible with Dewalt 18V / 20V Max tools

• Pre-installed PCBA charging protection board for safe charging/discharging

• Durable plastic shell designed for easy battery rebuilds

• Integrated contact points and secure battery slots for reliable performance

Why Choose Our 5x21700 Battery Case

Unlike generic shells, this case is purpose-built for Dewalt-compatible packs, ensuring a perfect fit, easy installation, and built-in circuit protection. It’s the smart way to get more life out of your existing tools—without buying a brand-new battery.

Perfect For

• DIY tool battery pack replacements

• Professional electricians and field techs

• Hobbyists and engineers upgrading tool performance

• Eco-conscious rebuilders saving e-waste

Power Up Your Tools the Smarter Way

Give your tools a second life with this safe, compatible, and rebuild-ready battery case.