{"product_id":"bms-pcb-protection-board-makita-bl1830-bl1840-bl1850-bl1860-18v","title":"BMS PCB Protection Board for Makita BL1830 BL1840 BL1850 BL1860","description":"\u003ch2\u003eBMS PCB Charging Protection Circuit Board for Makita 18V Lithium-Ion Batteries\u003c\/h2\u003e\n\u003cp\u003eKeep your Makita 18V battery pack running safely and efficiently with this replacement \u003cstrong\u003eBattery Management System (BMS) Protection Circuit Board\u003c\/strong\u003e. Designed as a direct-fit replacement for Makita BL1830, BL1840, BL1850, and BL1860 battery packs, this PCB plate safeguards your lithium-ion cells against overcharge, over-discharge, and short-circuit conditions — extending the working life of your battery.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're rebuilding a worn-out pack or replacing a damaged board, this quality BMS PCB is an affordable solution to get your Makita tools back up and running.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Makita BL1830, BL1840, BL1850, BL1860 (18V Lithium-Ion battery packs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Charging protection, over-discharge protection, and short-circuit protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Blue PCB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 50g per unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × Protective BMS circuit board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Replace Your BMS Board?\u003c\/h3\u003e\n\u003cp\u003eA faulty or damaged Battery Management System board can cause your Makita battery to stop charging, lose capacity quickly, or fail to power your tools. Replacing the BMS PCB is a cost-effective repair that can restore full functionality to an otherwise unusable battery pack — saving you the cost of a full replacement battery.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × BMS PCB Charging Protection Circuit Board (Blue)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which Makita battery models is this BMS protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS PCB charging protection circuit board is compatible with Makita 18V lithium-ion battery packs, specifically models BL1830, BL1840, BL1850, and BL1860. Please verify your battery model number before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the BMS protection circuit board do?\u003c\/h4\u003e\n\u003cp\u003eA: The Battery Management System (BMS) PCB board protects your lithium-ion cells by preventing overcharging, over-discharging, and short-circuit events. This helps maintain battery health and ensures safe, reliable charging and discharging cycles for your Makita power tools.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a direct drop-in replacement for my existing Makita battery board?\u003c\/h4\u003e\n\u003cp\u003eA: This board is designed as a replacement for the listed Makita 18V battery packs. We recommend basic electronics knowledge for installation, as it involves opening the battery housing and soldering connections. If you're unsure, consult a qualified technician.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each package includes one (1) blue BMS PCB charging protection circuit board, shipped in a protective bag. No additional tools or accessories are included.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Makita battery models is this BMS protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS PCB charging protection circuit board is compatible with Makita 18V lithium-ion battery packs, specifically models BL1830, BL1840, BL1850, and BL1860. 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