{"product_id":"18v-li-ion-battery-case-pcb-circuit-board-power-tool-repair","title":"18V Li-Ion Battery Case \u0026 PCB Board for Power Tool Repair","description":"\u003ch2\u003e18V Li-Ion Battery Case with PCB Circuit Board – Power Tool Battery Repair Kit\u003c\/h2\u003e\n\u003cp\u003eRestore and rebuild 18V lithium battery packs with this precision-engineered \u003cstrong\u003eBattery Case and PCB Circuit Board\u003c\/strong\u003e. Compatible with Lomvum, Zhipu, Hongsong, and Jingmi 18V lithium battery systems, this replacement component is designed for experienced technicians and DIY enthusiasts who are familiar with battery assembly and repair.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart IC Cell Monitoring:\u003c\/strong\u003e Built-in IC chip continuously detects individual cell voltage and current, and tracks the number of charge cycles for accurate battery management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Protection System:\u003c\/strong\u003e Integrated PCB provides overheat protection, overvoltage protection, undervoltage protection, overcurrent protection, and overcharge protection to keep your battery pack safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Shutdown:\u003c\/strong\u003e All new series models feature automatic low-voltage shutdown to extend overall battery lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed for Lomvum, Zhipu, Hongsong, and Jingmi 18V lithium battery packs (aftermarket replacement — not an OEM original part).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponent Only:\u003c\/strong\u003e This is a battery case and PCB assembly kit — \u003cem\u003ebattery cells are NOT included\u003c\/em\u003e. Intended for use by those with hands-on battery assembly experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 10-Hole or 15-Hole configurations\u003c\/strong\u003e to suit different battery pack builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Construction:\u003c\/strong\u003e Made from black plastic for a secure, lightweight housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Lomvum, Zhipu, Hongsong, Jingmi 18V Lithium Battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 10-Hole \/ 15-Hole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Type Required:\u003c\/strong\u003e 18650 Power Lithium Battery Cells (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAssembly Preparation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFor new battery assembly:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eUse 18650 power lithium battery cells only.\u003c\/li\u003e\n  \u003cli\u003eA group of six cells must be balanced with matched resistance and capacitance to ensure equal voltage across all cells.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eFor repairing an existing battery pack:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eTest the voltage at both ends of each individual cell before beginning.\u003c\/li\u003e\n  \u003cli\u003eIf voltages differ, charge each cell individually until all cells reach the same voltage level.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e All cells must be at equal voltage before soldering the PCB board.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Battery Case with PCB Circuit Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Due to different production batches, some accessories may vary slightly in color or appearance but retain identical functionality. Battery cells are not included. Measurement tolerance: ±1–3 cm. Colors may appear slightly different depending on lighting and display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this battery case compatible with all 18V lithium power tool brands?\u003c\/h4\u003e\n\u003cp\u003eA: This 18V Li-Ion battery case and PCB circuit board is specifically designed for Lomvum, Zhipu, Hongsong, and Jingmi 18V lithium battery packs. It is an aftermarket replacement component and is not an original OEM part. Please verify your battery model before purchasing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are battery cells included with this PCB battery case kit?\u003c\/h4\u003e\n\u003cp\u003eA: No — battery cells are not included. This kit contains only the battery case housing and PCB circuit board. You will need to source 18650 power lithium battery cells separately. This product is intended for individuals experienced in battery pack assembly and repair.\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 offers comprehensive protection including overheat, overvoltage, undervoltage, overcurrent, and overcharge protection, as well as automatic low-voltage shutdown. A smart IC chip also monitors individual cell voltage and tracks charge cycles for reliable battery management.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this battery case compatible with all 18V lithium power tool brands?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 18V Li-Ion battery case and PCB circuit board is specifically designed for Lomvum, Zhipu, Hongsong, and Jingmi 18V lithium battery packs. It is an aftermarket replacement component and is not an original OEM part. Please verify your battery model before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"Are battery cells included with this PCB battery case kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — battery cells are not included. This kit contains only the battery case housing and PCB circuit board. 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