{"product_id":"bat420-li-ion-battery-case-housing-pcb-protection-board-kit","title":"BAT420 Li-ion Battery Case Housing \u0026 PCB Protection Board Kit","description":"\n\u003ch2\u003eBAT420 Battery Case Plastic Housing with PCB – 10.8V \/ 12V Li-ion Shell Kit\u003c\/h2\u003e\n\u003cp\u003eGive your power tool or device a new lease on life with this \u003cstrong\u003eBAT420 \/ BAT412A \/ BAT413A compatible battery case housing kit\u003c\/strong\u003e. Designed for experienced DIY builders and battery repair technicians, this set includes a durable plastic shell and a built-in PCB charging protection board — everything you need to rebuild or repair a 10.8V \/ 12V Li-ion battery pack, \u003cem\u003ewithout\u003c\/em\u003e the cells.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cblockquote\u003e\n  \u003cp\u003e\u003cstrong\u003e⚠️ Important Notice – Please Read Before Ordering:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eThis is a \u003cstrong\u003eDIY component kit — no battery cells are included\u003c\/strong\u003e. You must supply your own compatible Li-ion cells.\u003c\/li\u003e\n    \u003cli\u003eIntended \u003cstrong\u003eonly for individuals with professional knowledge, hands-on battery assembly experience, and specialized tools\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003eMinor variations in label printing, nickel strip layout, or PCB design may occur between production batches. Core functionality remains unchanged.\u003c\/li\u003e\n    \u003cli\u003eDue to monitor color differences, the actual color may vary slightly from product photos.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAll sales are final\u003c\/strong\u003e — please purchase with confidence in your technical ability.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e BAT420, BAT412A, BAT413A battery packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 10.8V \/ 12V Li-ion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Plastic outer shell + PCB charging protection board (1 complete set)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality plastic body with metal contacts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Protection:\u003c\/strong\u003e Built-in charge\/discharge protection circuitry for safe battery operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Brand New Components\u003c\/strong\u003e — aftermarket replacement, not OEM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo battery cells included\u003c\/strong\u003e — shell and PCB only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\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\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.8V \/ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLi-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Set (Shell + PCB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Cells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNOT included\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\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for electronics hobbyists, repair technicians, and power tool enthusiasts who want to \u003cstrong\u003erebuild dead battery packs\u003c\/strong\u003e at a fraction of the cost of a brand-new replacement. If you already have the right Li-ion cells and soldering\/assembly tools on hand, this housing kit is the missing piece of your battery rebuild project.\u003c\/p\u003e\n\n\u003cp\u003eFor more DIY electronics and maker components, check out our \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 Module\u003c\/a\u003e and our \u003ca href=\"\/products\/sata-power-splitter-cable-1-to-5-18awg-hdd-ssd-extension\"\u003e1-to-5 SATA Power Splitter Cable 18AWG\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eFor safety guidance on lithium-ion battery handling, refer to the U.S. Consumer Product Safety Commission (CPSC) – Lithium-Ion Battery Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the BAT420 battery case kit include Li-ion battery cells?\u003c\/h4\u003e\n\u003cp\u003eA: No. This kit contains only the plastic housing shell and the PCB charging protection board. You must source and install compatible 10.8V \/ 12V Li-ion battery cells separately. It is designed for individuals with hands-on battery assembly experience.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the BAT420 shell compatible with BAT412A and BAT413A battery packs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This case housing is designed to be compatible with BAT420, BAT412A, and BAT413A style battery packs operating at 10.8V or 12V Li-ion configurations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What tools do I need to assemble this battery case kit?\u003c\/h4\u003e\n\u003cp\u003eA: You will need specialized battery assembly tools, including a spot welder or soldering iron for connecting battery cells, wire strippers, a multimeter for testing, and appropriate safety equipment for working with lithium-ion cells. This product is not suitable for beginners without prior experience.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will the PCB design always look exactly like the product photos?\u003c\/h4\u003e\n\u003cp\u003eA: The PCB layout and appearance may vary slightly between production batches due to supplier or technology updates. However, the electrical functionality and protection features remain the same, ensuring reliable performance for your battery rebuild project.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the BAT420 battery case kit include Li-ion battery cells?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This kit contains only the plastic housing shell and the PCB charging protection board. You must source and install compatible 10.8V \/ 12V Li-ion battery cells separately. 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