DCB609 Battery Case 15x21700 Cell Holder BMS PCBA Nickel Strip

DCB609 Lithium Battery Case – 15x21700 Cell Holder with BMS PCBA & Nickel Strip

Rebuild or upgrade your DeWalt-compatible FlexVolt 20V/60V lithium-ion battery pack with this precision-engineered DCB609 Battery Case. Designed to house 15 x 21700 lithium cells, this replacement shell includes a fully integrated Battery Management System (BMS) PCBA board and nickel strip connectors — giving DIY battery builders everything they need in one reliable kit.

Whether you're restoring a worn-out power tool battery or building a custom high-capacity pack, this cell holder delivers a secure, organized fit with proper circuit protection built right in.

Key Features

• Compatible with DCB609 Platform: Designed for DeWalt-style FlexVolt 20V/60V battery configurations
• Fits 15 x 21700 Cells: Accommodates standard 21700-format lithium cylindrical cells
• Integrated BMS PCBA: Built-in Battery Management System protects against overcharge, over-discharge, and short circuits
• Nickel Strip Connectors: Pre-fitted nickel strips for reliable spot-welding connections between cells
• Durable Shell Construction: Sturdy casing maintains cell alignment and structural integrity during use
• DIY-Friendly Design: Straightforward assembly for hobbyists, repair technicians, and battery rebuild enthusiasts

Specifications

• Model: DCB609
• Cell Compatibility: 21700 lithium-ion cells (x15)
• Includes: Battery case shell, BMS PCBA board, nickel strip connectors
• Application: DIY battery rebuild / replacement for DeWalt-compatible FlexVolt packs
• Vendor: Qme

For more information on lithium battery safety and best practices for DIY battery builds, visit the U.S. Consumer Product Safety Commission – Lithium-Ion Battery Safety.

Frequently Asked Questions

Q: What is the DCB609 Lithium Battery Case with BMS PCBA used for?

A: This battery case is a DIY replacement and rebuild kit designed to house 15 x 21700 lithium-ion cells in a DCB609-compatible shell. It includes a BMS PCBA board for circuit protection and nickel strip connectors for cell spot-welding, making it ideal for restoring or building DeWalt FlexVolt-compatible 20V/60V battery packs.

Q: Does the DCB609 battery case come with a Battery Management System (BMS)?

A: Yes. The kit includes an integrated BMS PCBA board that provides essential protection functions including overcharge protection, over-discharge protection, and short-circuit safeguards — helping ensure safe and stable performance from your rebuilt battery pack.

Q: What size cells does this battery case hold?

A: This case is specifically designed to hold 15 x 21700 format cylindrical lithium-ion cells. Note that the cells themselves are not included — you will need to source compatible 21700 cells separately and spot-weld them using the included nickel strips.

Q: Is this battery case compatible with DeWalt FlexVolt tools?

A: This case is designed as a DCB609-style compatible replacement shell intended for DIY battery rebuilds that mirror the DeWalt FlexVolt 20V/60V form factor. Always verify compatibility with your specific tool model before building.