{"product_id":"dcb609-lithium-battery-case-15x21700-cell-holder-bms-pcba-nickel","title":"DCB609 Battery Case 15x21700 Cell Holder BMS PCBA Nickel Strip","description":"\u003ch2\u003eDCB609 Lithium Battery Case – 15x21700 Cell Holder with BMS PCBA \u0026amp; Nickel Strip\u003c\/h2\u003e\n\n\u003cp\u003eRebuild or upgrade your DeWalt-compatible FlexVolt 20V\/60V lithium-ion battery pack with this precision-engineered \u003cstrong\u003eDCB609 Battery Case\u003c\/strong\u003e. Designed to house \u003cstrong\u003e15 x 21700 lithium cells\u003c\/strong\u003e, this replacement shell includes a fully integrated \u003cstrong\u003eBattery Management System (BMS) PCBA board\u003c\/strong\u003e and nickel strip connectors — giving DIY battery builders everything they need in one reliable kit.\u003c\/p\u003e\n\n\u003cp\u003eWhether 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.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with DCB609 Platform:\u003c\/strong\u003e Designed for DeWalt-style FlexVolt 20V\/60V battery configurations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits 15 x 21700 Cells:\u003c\/strong\u003e Accommodates standard 21700-format lithium cylindrical cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated BMS PCBA:\u003c\/strong\u003e Built-in Battery Management System protects against overcharge, over-discharge, and short circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNickel Strip Connectors:\u003c\/strong\u003e Pre-fitted nickel strips for reliable spot-welding connections between cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Shell Construction:\u003c\/strong\u003e Sturdy casing maintains cell alignment and structural integrity during use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Straightforward assembly for hobbyists, repair technicians, and battery rebuild enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DCB609\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Compatibility:\u003c\/strong\u003e 21700 lithium-ion cells (x15)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Battery case shell, BMS PCBA board, nickel strip connectors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e DIY battery rebuild \/ replacement for DeWalt-compatible FlexVolt packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVendor:\u003c\/strong\u003e Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor 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.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is the DCB609 Lithium Battery Case with BMS PCBA used for?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the DCB609 battery case come with a Battery Management System (BMS)?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What size cells does this battery case hold?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this battery case compatible with DeWalt FlexVolt tools?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the DCB609 Lithium Battery Case with BMS PCBA used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This battery case is a DIY replacement and rebuild kit designed to house 15 x 21700 lithium-ion cells in a DCB609-compatible shell. 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