{"product_id":"30-cell-21v-60a-18650-lithium-battery-shell-pcb-protection-board","title":"30-Cell 21V 60A 18650 Lithium Battery Shell \u0026 PCB Protection","description":"\n\u003ch2\u003e30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Charging Protection\u003c\/h2\u003e\n\n\u003cp\u003eBuild or rebuild high-performance lithium battery packs with confidence. This \u003cstrong\u003e30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Charging Protection\u003c\/strong\u003e is a precision-engineered enclosure and circuit board combo designed for experienced battery assemblers and electronics enthusiasts. Constructed from durable \u003cstrong\u003eplastic and metal\u003c\/strong\u003e, it delivers the structural integrity and electrical safety features needed for reliable DIY battery pack projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Intended for use by individuals with practical experience in battery assembly and a solid understanding of lithium battery performance and safety.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30-Cell Configuration:\u003c\/strong\u003e Supports 18650 lithium cells in a 30-cell layout for a nominal 21V output system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60A Continuous Current Rating:\u003c\/strong\u003e Handles high-demand applications with a robust 60A capacity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Charging Protection Circuit:\u003c\/strong\u003e Integrated protection board guards against overcharge, over-discharge, and short circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Charge\/Discharge Protection:\u003c\/strong\u003e Built-in thermal monitoring helps prevent overheating during use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Temperature Charging Protection:\u003c\/strong\u003e Safeguards cells from being charged in cold conditions that could compromise cell integrity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic + Metal Construction:\u003c\/strong\u003e Sturdy housing resists everyday knocks and provides a secure fit for your cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Dimensions:\u003c\/strong\u003e Measures 14.0 × 7.5 × 10.5 cm — easy to integrate into custom tool battery or power storage builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black — clean, professional finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 30-Cell 18650 Battery Shell Housing (Plastic + Metal)\u003c\/li\u003e\n  \u003cli\u003e1 × PCB Charging Protection Circuit Board (21V \/ 60A)\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 Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Lithium-Ion Cells\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 Cells\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60A\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\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.0 × 7.5 × 10.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for electronics hobbyists, power tool battery rebuilders, and DIY energy storage enthusiasts who want to assemble or repair custom 21V lithium battery packs. It is \u003cstrong\u003enot recommended for beginners\u003c\/strong\u003e — working with lithium cells requires a thorough understanding of battery chemistry, electrical safety, and proper assembly techniques.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on safe handling and best practices for lithium battery systems, refer to the U.S. Consumer Product Safety Commission (CPSC) Lithium-Ion Battery Safety resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is the 30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Protection used for?\u003c\/h4\u003e\n\u003cp\u003eA: This product is used to assemble or repair custom 18650 lithium-ion battery packs. The shell houses 30 individual 18650 cells, while the integrated PCB protection circuit manages safe charging and discharging at 21V and up to 60A. It is designed exclusively for individuals with hands-on experience in battery assembly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protection features does the PCB circuit board provide?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in PCB protection board provides overcharge protection, over-discharge protection, short-circuit protection, high-temperature charge\/discharge protection, and low-temperature charging protection — helping maintain the safety and longevity of your battery pack build.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What cells are compatible with this battery shell?\u003c\/h4\u003e\n\u003cp\u003eA: This shell is specifically designed for standard 18650 lithium-ion cells in a 30-cell configuration. Always use cells of matching specifications and from reputable sources to ensure safe and optimal performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the dimensions and materials of the battery housing?\u003c\/h4\u003e\n\u003cp\u003eA: The battery shell measures 14.0 × 7.5 × 10.5 cm and is constructed from a combination of plastic and metal for a balance of lightweight handling and structural durability.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the 30-Cell 21V 60A 18650 Lithium Battery Shell with PCB Protection used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This product is used to assemble or repair custom 18650 lithium-ion battery packs. The shell houses 30 individual 18650 cells, while the integrated PCB protection circuit manages safe charging and discharging at 21V and up to 60A. 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