{"product_id":"bl18650-battery-case-5-10-cell-type-c-charging-bms-protection-board","title":"BL18650 5\/10 Cell Battery Case with Type-C \u0026 BMS Protection","description":"\n\u003ch2\u003eBuild Your Own Custom Battery Pack with Confidence\u003c\/h2\u003e\n\u003cp\u003eThe Upgraded BL18650 Modular Battery Housing is a professional-grade shell kit designed for DIY enthusiasts, makers, and repair technicians who want to assemble or rebuild custom 18650 lithium-ion battery packs. Available in 5-cell and 10-cell configurations, this housing features a \u003cstrong\u003ebuilt-in Type-C charging port\u003c\/strong\u003e and an integrated \u003cstrong\u003eBattery Management System (BMS) protection board\u003c\/strong\u003e — everything you need in one modular shell, minus the cells.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e This product does \u003cstrong\u003eNOT\u003c\/strong\u003e include battery cells. It is a component kit intended for individuals who are experienced in battery assembly and familiar with lithium cell safety. Please read all assembly precautions carefully before use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Protection Functions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Type-C Charging Port\u003c\/strong\u003e — Modern, reversible charging interface for convenient recharging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e — Detects and halts charging when cells reach maximum voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverdischarge Protection\u003c\/strong\u003e — Prevents harmful deep discharge that shortens cell life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree-Stage Overcurrent Protection\u003c\/strong\u003e — Multi-level safeguard against excessive current draw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh \u0026amp; Low Temperature Protection\u003c\/strong\u003e — Monitors charge\/discharge temperatures; halts charging in unsafe thermal conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternally Adjustable Temperature Parameters\u003c\/strong\u003e — Fine-tune thermal thresholds to suit your application\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort Circuit Protection\u003c\/strong\u003e — Instantly cuts output to protect cells and connected devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Disconnection Protection\u003c\/strong\u003e — Detects when a cell is disconnected and prevents damage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNTC Resistor Disconnection Protection\u003c\/strong\u003e — Guards against faults caused by sensor disconnection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Overcurrent Delay\u003c\/strong\u003e — First and second stage delay parameters are externally configurable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModular Shell Design\u003c\/strong\u003e — Easy to assemble, disassemble, and customize for a wide range of applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Mak-style Chargers\u003c\/strong\u003e — Works with standard original tool chargers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-Cell or 10-Cell (choose your option)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Type Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Lithium-Ion (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Board\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in BMS with multi-layer protection\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Cells Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x Modular Battery Housing Set\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAssembly Precautions\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eWhen soldering battery leads and sampling points, verify polarity carefully. Incorrect connections may damage the BMS board.\u003c\/li\u003e\n  \u003cli\u003eDo not allow the BMS board to directly contact the surface of any battery cell during assembly — insulate properly.\u003c\/li\u003e\n  \u003cli\u003eAll soldering equipment must be reliably grounded. Use anti-static precautions to protect the protection board.\u003c\/li\u003e\n  \u003cli\u003eKeep lead wires and soldering irons away from surface-mounted components on the PCB to prevent heat damage.\u003c\/li\u003e\n  \u003cli\u003eStore and operate in a dry environment — protect against moisture, water, and electrostatic discharge.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eFirst Power-On Note:\u003c\/strong\u003e If there is no voltage output on initial power-on after assembly, activate the pack using a dedicated compatible charger. If issues persist, please contact us.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/sata-power-splitter-cable-1-to-5-18awg-hdd-ssd-extension\"\u003e1 to 5 SATA Power Splitter Cable 18AWG | HDD SSD Extension\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-1mhz-6ghz-full-band-20db-lna-rf-low-noise-amplifier-preamplifier-module\"\u003e0.1MHz–6GHz 20dB LNA RF Low Noise Amplifier Preamplifier Module\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe handling of lithium-ion batteries and electrical components in DIY projects, refer to the U.S. Consumer Product Safety Commission (CPSC) Lithium-Ion Battery Safety resources.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/EnerSys\" target=\"_blank\" rel=\"noopener\"\u003eEnerSys\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this BL18650 battery case come with 18650 battery cells included?\u003c\/h4\u003e\n\u003cp\u003eA: No — this is a housing and BMS component kit only. Battery cells are \u003cstrong\u003enot included\u003c\/strong\u003e. You will need to source compatible 18650 lithium-ion cells separately and install them yourself. This kit is designed for experienced DIY builders and battery repair technicians.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the built-in BMS protection board do?\u003c\/h4\u003e\n\u003cp\u003eA: The Battery Management System (BMS) board provides comprehensive protection for your 18650 cells, including overcharge detection, overdischarge protection, short-circuit cutoff, three-stage overcurrent protection, thermal (high\/low temperature) protection, and more. These features help extend battery life and ensure safe operation of your custom battery pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this battery housing with my power tool charger?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this modular battery case is designed to be compatible with original Mak-style tool chargers, as well as being rechargeable via the built-in Type-C USB port. Always confirm voltage and current compatibility with your specific charger before use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the 5-cell or 10-cell version better for my project?\u003c\/h4\u003e\n\u003cp\u003eA: The choice depends on the capacity and voltage requirements of your application. The 5-cell version delivers a lower overall capacity, while the 10-cell version doubles the capacity — ideal for tools or devices that require longer runtime. Select the configuration that best matches your power needs.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this BL18650 battery case come with 18650 battery cells included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this is a housing and BMS component kit only. Battery cells are not included. You will need to source compatible 18650 lithium-ion cells separately and install them yourself. This kit is designed for experienced DIY builders and battery repair technicians.\"}}, {\"@type\": \"Question\", \"name\": \"What does the built-in BMS protection board do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Battery Management System (BMS) board provides comprehensive protection for your 18650 cells, including overcharge detection, overdischarge protection, short-circuit cutoff, three-stage overcurrent protection, thermal (high\/low temperature) protection, and more. These features help extend battery life and ensure safe operation of your custom battery pack.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this battery housing with my power tool charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — this modular battery case is designed to be compatible with original Mak-style tool chargers, as well as being rechargeable via the built-in Type-C USB port. Always confirm voltage and current compatibility with your specific charger before use.\"}}, {\"@type\": \"Question\", \"name\": \"Is the 5-cell or 10-cell version better for my project?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The choice depends on the capacity and voltage requirements of your application. The 5-cell version delivers a lower overall capacity, while the 10-cell version doubles the capacity — ideal for tools or devices that require longer runtime. Select the configuration that best matches your power needs.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Soldering \u0026 Electrical\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/collections\/soldering-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"BL18650 5\/10 Cell Battery Case with Type-C \u0026 BMS Protection\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/products\/bl18650-battery-case-5-10-cell-type-c-charging-bms-protection-board\"}]}\u003c\/script\u003e","brand":"Peaceful Pleasures Health and Wellness","offers":[{"title":"A2","offer_id":53638033113401,"sku":"1005011568660121-A2","price":25.25,"currency_code":"USD","in_stock":true},{"title":"A1","offer_id":53638033146169,"sku":"1005011568660121-A1","price":25.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/3689\/5801\/files\/S84152366b21641a28bd52f0789b239d8m.webp?v=1782525227","url":"https:\/\/peacefulpleasureswellness.com\/products\/bl18650-battery-case-5-10-cell-type-c-charging-bms-protection-board","provider":"Peaceful Pleasures Health and Wellness","version":"1.0","type":"link"}