{"product_id":"bms-pcba-protection-circuit-board-box-shell-18650-li-ion-battery-case","title":"BMS PCBA Protection Circuit Board Box Shell 18650 Li-ion","description":"\u003ch2\u003eBMS PCBA Protection Circuit Board Box Shell — 10 \/ 15 \/ 20 \/ 30 × 18650 Li-ion Battery Case\u003c\/h2\u003e\n\n\u003cp\u003eKeep your lithium-ion battery packs safe and well-organized with this robust \u003cstrong\u003eBMS PCBA Protection Circuit Board Box Shell\u003c\/strong\u003e. Designed to house 10, 15, 20, or 30 × 18650 Li-ion cells, this durable enclosure integrates a Battery Management System (BMS) protection circuit board to help regulate charging, discharging, and overall cell performance. Whether you are building a custom power bank, an e-bike battery, a solar storage unit, or a DIY electronics project, this shell gives your cells the structural and electrical protection they need.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Configurations:\u003c\/strong\u003e Compatible with 10, 15, 20, or 30 × 18650 Li-ion cells — choose the capacity that matches your project requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated BMS Protection:\u003c\/strong\u003e Built-in Battery Management System PCBA board helps guard against overcharge, over-discharge, over-current, and short-circuit conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Box Shell:\u003c\/strong\u003e Sturdy housing securely holds the circuit board and cells in place, reducing vibration and mechanical stress during use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Color Options:\u003c\/strong\u003e Select from four available color variants to suit your build aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e21V Output Socket:\u003c\/strong\u003e Pre-fitted housing socket designed for 21V lithium-ion battery pack configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Straightforward assembly makes it a practical choice for DIY builders and electronics enthusiasts alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for power banks, e-bikes, solar energy storage, cordless power tools, and other custom battery projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Cells:\u003c\/strong\u003e 18650 Li-ion batteries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Configurations:\u003c\/strong\u003e 10S \/ 15S \/ 20S \/ 30S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 21V (nominal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Colors:\u003c\/strong\u003e 4 options (please refer to listing images)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e As pictured (please refer to actual product received)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Color may vary slightly from images displayed on screen due to monitor brightness and lighting conditions. Please refer to the actual product received.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more information on lithium-ion battery safety standards 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\u003ch4\u003eQ: What does a BMS PCBA Protection Circuit Board Box Shell do for 18650 Li-ion batteries?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS PCBA Protection Circuit Board Box Shell provides a secure enclosure for 18650 Li-ion cells and integrates a Battery Management System board that helps monitor and regulate the battery pack. The BMS circuit helps prevent overcharge, over-discharge, and short-circuit conditions, supporting safer and more reliable operation of your lithium-ion battery pack.\u003c\/p\u003e\n\u003ch4\u003eQ: Which 18650 cell configurations does this box shell support?\u003c\/h4\u003e\n\u003cp\u003eA: The BMS PCBA Protection Circuit Board Box Shell is available in configurations that support 10, 15, 20, or 30 × 18650 Li-ion cells, making it a versatile choice for a wide range of DIY power projects, from small power banks to larger e-bike or solar storage battery packs.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this BMS PCBA shell suitable for DIY battery pack builds?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this shell is designed with DIY builders and electronics enthusiasts in mind. Its straightforward design allows you to assemble your 18650 Li-ion battery pack with integrated BMS protection inside a durable, pre-formed housing, making it ideal for custom power banks, cordless tools, e-bikes, and solar energy storage projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How many color options are available for this circuit board box shell?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS PCBA Protection Circuit Board Box Shell is available in 4 color options. Please select your preferred color from the variant selector. Note that colors may appear slightly different on screen versus in person due to monitor settings and lighting.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a BMS PCBA Protection Circuit Board Box Shell do for 18650 Li-ion batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS PCBA Protection Circuit Board Box Shell provides a secure enclosure for 18650 Li-ion cells and integrates a Battery Management System board that helps monitor and regulate the battery pack. 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