{"product_id":"hitachi-bsl1830-18v-20v-battery-plastic-shell-pcb-protection-circuit-board","title":"Hitachi BSL1830 18V\/20V Battery Shell + PCB Protection Board","description":"\n\u003ch2\u003eHitachi 18V\/20V BSL1830 Battery Plastic Shell with PCB Charging Protection Board\u003c\/h2\u003e\n\n\u003cp\u003eRebuild or repair your Hitachi 18V\/20V power tool battery pack with this complete plastic shell kit for the BSL1830 series. Designed for experienced technicians and DIY enthusiasts who are comfortable with battery assembly, this kit includes the plastic housing, a power display indicator, and a PCB charging protection circuit board — everything you need except the cells themselves.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Important Notice:\u003c\/strong\u003e This product does \u003cstrong\u003eNOT\u003c\/strong\u003e include battery cells. It is a component kit intended exclusively for individuals with hands-on experience in battery assembly and a solid understanding of Li-Ion battery performance. If you require a complete, ready-to-use battery, please do not order this item.\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\u003eCompatible with Hitachi BSL1830\u003c\/strong\u003e — fits Hitachi 18V and 20V Li-Ion battery pack platforms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Display Indicator\u003c\/strong\u003e — built-in LED charge level display so you can monitor battery status at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Charging Protection Circuit Board\u003c\/strong\u003e — guards against overcharge, over-discharge, and short-circuit conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHolds 10 × 18650 Li-Ion Cells\u003c\/strong\u003e — configured in a 2P5S or 5S2P arrangement (cells not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Brand New Components\u003c\/strong\u003e — not a refurbished or OEM part; aftermarket quality replacement shell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Rating\u003c\/strong\u003e — operates below 75V DC \/ 50V AC for safe DIY use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Plastic Battery Shell (upper \u0026amp; lower housing)\u003c\/li\u003e\n  \u003cli\u003e1 × PCB Charging Protection Circuit Board\u003c\/li\u003e\n  \u003cli\u003e1 × Power Display Board\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNo battery cells included\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNo charger included\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAssembly Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBefore assembling, please read carefully:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew cells:\u003c\/strong\u003e Use 18650 power-grade Li-Ion cells only. Balance a group of 5 or 10 cells using matched resistance and capacitance so all cells reach the same voltage before soldering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefurbished\/old cells:\u003c\/strong\u003e Test the voltage at both terminals of each cell individually. Charge any lower cells to match the highest cell voltage before proceeding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCritical step:\u003c\/strong\u003e Confirm that all cells are at equal voltage before soldering the PCB. Unbalanced cells can damage the protection board or cause unsafe operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for power tool repair technicians, electronics hobbyists, and DIY battery builders who have practical experience with 18650 cell assembly and Li-Ion battery management systems. It is not suitable for beginners or anyone unfamiliar with battery safety procedures.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush Set – Hand Tool Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel Portable Mini Saw\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-professional-heavy-duty-pruning-shears-with-anti-slip-handle-design-suitable-for-trimming-thick-and-sturdy-branches\"\u003e1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this Hitachi BSL1830 battery shell kit come with 18650 battery cells included?\u003c\/h4\u003e\n\u003cp\u003eA: No. This kit contains only the plastic shell housing, the PCB charging protection circuit board, and the power display board. Battery cells are not included and must be sourced separately. This is a component kit for rebuilding or assembling a battery pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which Hitachi power tool models is the BSL1830 plastic shell compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This shell is designed to be compatible with Hitachi (now HiKOKI) 18V and 20V Li-Ion power tool battery packs that use the BSL1830 form factor. Always verify compatibility with your specific tool model before purchasing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many 18650 cells does this battery shell hold?\u003c\/h4\u003e\n\u003cp\u003eA: The shell accommodates up to 10 × 18650 Li-Ion power cells arranged in the standard BSL1830 configuration. Battery cells are not included and must be purchased separately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the PCB protection board already installed in the shell?\u003c\/h4\u003e\n\u003cp\u003eA: The PCB charging protection circuit board is included with the kit but requires soldering and assembly by the user. This product is intended for individuals with practical experience in battery assembly — it is not a plug-and-play solution.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this Hitachi BSL1830 battery shell kit come with 18650 battery cells included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This kit contains only the plastic shell housing, the PCB charging protection circuit board, and the power display board. Battery cells are not included and must be sourced separately. 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