{"product_id":"bms-pcb-protection-board-makita-bl1830-bl1840-bl1850-bl1860-18v","title":"BMS PCB Protection Board for Makita BL1830 BL1840 BL1850 BL1860 18V","description":"\u003ch2\u003eMakita 18V Lithium-Ion Battery BMS PCB Protection Board\u003c\/h2\u003e\n\u003cp\u003eKeep your Makita power tool batteries safe and running at peak performance with this dedicated \u003cstrong\u003eBattery Management System (BMS) PCB Protection Board\u003c\/strong\u003e. Designed specifically for the Makita BL1830, BL1840, BL1850, and BL1860 18V lithium-ion battery series, this drop-in replacement board provides essential electronic protection against overcharge, over-discharge, and short circuits — extending the life of your battery pack significantly.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a DIY enthusiast or a professional tradesperson, replacing a faulty protection board is a cost-effective alternative to purchasing a brand-new battery. Made in Mainland China.\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)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Battery Management System (BMS) — overcharge, over-discharge \u0026amp; 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 (lightweight, easy to handle)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1× BMS PCB Protection Board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure bag packaging for safe delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Replace Your BMS Protection Board?\u003c\/h3\u003e\n\u003cp\u003eA failing BMS protection board is often the root cause of a battery that won't charge, drains too quickly, or cuts out under load. Instead of discarding an otherwise healthy battery pack, swapping out the protection board is a smart, budget-friendly repair. This board is a precise fit for the Makita 18V platform, making the repair straightforward for anyone comfortable with basic electronics.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMakita BL1830 18V 3.0Ah\u003c\/li\u003e\n  \u003cli\u003eMakita BL1840 18V 4.0Ah\u003c\/li\u003e\n  \u003cli\u003eMakita BL1850 18V 5.0Ah\u003c\/li\u003e\n  \u003cli\u003eMakita BL1860 18V 6.0Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Electrical Reference\u003c\/h3\u003e\n\u003cp\u003eFor best practices when working with lithium-ion battery components, refer to CPSC Lithium-Ion Battery Safety Information from the U.S. Consumer Product Safety Commission.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/22awg-glass-tube-fuse-holder-5x20mm-6x30mm-screw-type-10-pack\"\u003e10-Pack 22AWG Glass Tube Fuse Holder 5x20mm \u0026amp; 6x30mm Screw\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/140w-usb-c-fast-charging-adapter-auto-power-off-overcharge-protection\"\u003e140W USB-C Fast Charger with Auto Power-Off Overcharge Protection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Anker\" target=\"_blank\" rel=\"noopener\"\u003eAnker\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which Makita battery models is this BMS PCB protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This protection board is designed specifically for the Makita BL1830, BL1840, BL1850, and BL1860 18V lithium-ion battery packs. Always verify your battery model number before ordering to ensure compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does a BMS PCB protection board do for a lithium-ion battery?\u003c\/h4\u003e\n\u003cp\u003eA: A Battery Management System (BMS) PCB protection board monitors and controls the charge and discharge cycles of lithium-ion cells. It protects against overcharging, over-discharging, overcurrent, and short circuits — all of which can damage cells or create safety hazards. Replacing a faulty BMS board can restore full function to an otherwise healthy battery pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this a direct drop-in replacement for Makita 18V batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This board is engineered to fit the Makita BL1830\/BL1840\/BL1850\/BL1860 battery housings. Basic electronics repair skills and proper tools are recommended for installation. If you are unsure about the repair process, consult a qualified technician.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes 1× BMS PCB Protection Board (blue). The battery cells and battery housing are not included — this is a replacement circuit board only.\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 PCB protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection board is designed specifically for the Makita BL1830, BL1840, BL1850, and BL1860 18V lithium-ion battery packs. Always verify your battery model number before ordering to ensure compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"What does a BMS PCB protection board do for a lithium-ion battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A Battery Management System (BMS) PCB protection board monitors and controls the charge and discharge cycles of lithium-ion cells. It protects against overcharging, over-discharging, overcurrent, and short circuits — all of which can damage cells or create safety hazards. Replacing a faulty BMS board can restore full function to an otherwise healthy battery pack.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a direct drop-in replacement for Makita 18V batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This board is engineered to fit the Makita BL1830\/BL1840\/BL1850\/BL1860 battery housings. Basic electronics repair skills and proper tools are recommended for installation. If you are unsure about the repair process, consult a qualified technician.\"}}, {\"@type\": \"Question\", \"name\": \"What is included in the package?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each order includes 1× BMS PCB Protection Board (blue). The battery cells and battery housing are not included — this is a replacement circuit board only.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Protective board 18V","offer_id":47710715117673,"sku":"14:771#Protective board 18V","price":18.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S973da25df0994999b031d8450b856c15m.webp?v=1782056430","url":"https:\/\/oasis-select.com\/products\/bms-pcb-protection-board-makita-bl1830-bl1840-bl1850-bl1860-18v","provider":"Oasis Select","version":"1.0","type":"link"}