{"product_id":"bms-pcb-protection-board-makita-bl1830-bl1840-bl1850-bl1860-18v-1","title":"BMS PCB Protection Board for Makita BL1830 BL1840 BL1850 BL1860","description":"\n\u003ch2\u003eExtend the Life of Your Makita 18V Battery Pack\u003c\/h2\u003e\n\u003cp\u003eKeep your Makita power tool batteries running safely and efficiently with this purpose-built \u003cstrong\u003eBMS PCB Electric Protection Board\u003c\/strong\u003e. Designed as a direct replacement for the BL1830, BL1840, BL1850, and BL1860 18V lithium-ion battery packs, this board acts as the brain of your battery — monitoring cell voltage, current, and temperature to prevent damage from overcharging, over-discharging, and short circuits.\u003c\/p\u003e\n\u003cp\u003eWhether you're rebuilding a worn-out battery pack or replacing a faulty protection circuit, this board is an affordable, effective solution to get your tools back in action.\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\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In BMS Protection:\u003c\/strong\u003e Guards against overcharge, over-discharge, over-current, and short-circuit conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Drop-in fit designed specifically for listed Makita battery series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Weighs only 50g per board — minimal added bulk\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlue PCB Colour:\u003c\/strong\u003e Easy to identify and install\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProlongs Battery Life:\u003c\/strong\u003e Proper cell balancing and protection circuitry extends overall pack longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × BMS PCB Protection Board (Blue)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMakita BL1830, BL1840, BL1850, BL1860\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V Lithium-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBag\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Replace Your BMS Board?\u003c\/h3\u003e\n\u003cp\u003eA failing or faulty Battery Management System (BMS) board can cause your battery to not charge, drain too fast, or even become unsafe. Replacing this low-cost component is far more economical than buying a brand-new battery pack. For more information on lithium-ion battery safety, visit the U.S. Consumer Product Safety Commission (CPSC) Lithium-Ion Battery Safety page.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-12v-3-pin-pc-fan-power-extension-cable-26cm-cpu-gpu-cooler\"\u003e10-Pack 12V 3-Pin PC Fan Extension Cable 26cm – CPU GPU Cooler\u003c\/a\u003e\u003c\/li\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\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Battery_management_system\" target=\"_blank\" rel=\"noopener\"\u003eBattery management system\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What Makita battery models is this BMS PCB protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This protection board is specifically designed for Makita 18V lithium-ion battery packs including the BL1830, BL1840, BL1850, and BL1860 models. Always verify your battery model number before purchasing to ensure a proper fit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does a BMS (Battery Management System) protection board do?\u003c\/h4\u003e\n\u003cp\u003eA: A BMS PCB protection board monitors and manages the battery cells to prevent overcharging, over-discharging, short circuits, and overheating. It is essential for the safe and efficient operation of lithium-ion battery packs. A faulty BMS board is a common reason why batteries stop charging or lose capacity prematurely.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I install this BMS board myself?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this board is intended as a DIY replacement component. However, basic electronics knowledge and soldering skills are recommended. Always discharge the battery fully and take appropriate safety precautions when working with lithium-ion battery packs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will this board work with third-party Makita-compatible battery packs?\u003c\/h4\u003e\n\u003cp\u003eA: This board is designed for genuine Makita BL18xx series packs. Compatibility with third-party or aftermarket battery shells may vary depending on their internal layout. We recommend confirming cell configuration and connector placement before installation.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What Makita battery models is this BMS PCB protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection board is specifically designed for Makita 18V lithium-ion battery packs including the BL1830, BL1840, BL1850, and BL1860 models. Always verify your battery model number before purchasing to ensure a proper fit.\"}}, {\"@type\": \"Question\", \"name\": \"What does a BMS (Battery Management System) protection board do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A BMS PCB protection board monitors and manages the battery cells to prevent overcharging, over-discharging, short circuits, and overheating. It is essential for the safe and efficient operation of lithium-ion battery packs. A faulty BMS board is a common reason why batteries stop charging or lose capacity prematurely.\"}}, {\"@type\": \"Question\", \"name\": \"Can I install this BMS board myself?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this board is intended as a DIY replacement component. However, basic electronics knowledge and soldering skills are recommended. Always discharge the battery fully and take appropriate safety precautions when working with lithium-ion battery packs.\"}}, {\"@type\": \"Question\", \"name\": \"Will this board work with third-party Makita-compatible battery packs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board is designed for genuine Makita BL18xx series packs. Compatibility with third-party or aftermarket battery shells may vary depending on their internal layout. We recommend confirming cell configuration and connector placement before installation.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Protective board 18V","offer_id":47718229442665,"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_06fc47e5-8634-4b7b-b2d7-77497d811df9.webp?v=1782267110","url":"https:\/\/oasis-select.com\/products\/bms-pcb-protection-board-makita-bl1830-bl1840-bl1850-bl1860-18v-1","provider":"Oasis Select","version":"1.0","type":"link"}