{"product_id":"samsung-inr18650-25r-2500mah-20a-li-ion-battery-for-power-tools-flashlights-diy-battery-packs-1-100-pcs","title":"Samsung INR18650-25R 2500mAh 20A Li-ion Battery for Power Tools, Flashlights \u0026 DIY Battery Packs (1-100 PCS)","description":"\u003cdiv style=\"border-left:3px solid #d9d9d9;padding:14px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"margin:0 0 12px;font-size:18px;font-weight:700;color:#1b16d8;\"\u003e🌐 Global Shipping from China – Rates \u0026amp; Delivery Times\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003ca href=\"https:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\" target=\"_blank\" rel=\"noopener\" style=\"color:#d64224;text-decoration:underline;\"\u003ehttps:\/\/dxf-hobby.store\/pages\/china-warehouse-shipping\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eChoose your pack quantity (1–100 PCS) — genuine Samsung INR18650-25R high-drain lithium-ion cells for your power tools, flashlights, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/dxf_552c7b88-2609-4f84-bed1-943e60c00cc8.png?v=1764311930\" alt=\"DXF global warehouse delivery network\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eSamsung INR18650-25R 2500mAh 20A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an industry-benchmark high-drain cylindrical cell trusted worldwide for power-demanding tools and performance electronics. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this 18650 flat-top cell provides a true 2500mAh nominal capacity at 3.6V (4.20V max charge) with a proven 20A continuous discharge rating. It offers exceptional voltage stability under heavy load, making it the perfect power solution for cordless power tools, high-lumen flashlights, electric scooters, e-bikes, and custom multi-cell DIY battery builds.\u003c\/p\u003e\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9yfcgnfSTk0\" title=\"Watch DXF Batteries in Action\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Samsung SDI 25R Cell:\u003c\/strong\u003e Premium Grade-A cylindrical lithium-ion cell celebrated globally for outstanding reliability, low internal resistance, and long cycle life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20A Continuous Discharge:\u003c\/strong\u003e Delivers sustained 20A continuous power output without excessive voltage sag, tailored for heavy load applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2500mAh High Capacity:\u003c\/strong\u003e Optimal balance of high-current discharge and runtime for power tools and portable equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Rate Fast Charging:\u003c\/strong\u003e Supports up to 4.0A rapid charging current for minimal downtime between work cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 18650 Flat-Top Design:\u003c\/strong\u003e Standard 18.5 × 65.0mm dimensions with flat top terminal, ideal for spot welding, battery holders, and modular battery sleds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages to suit individual replacements or bulk pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, low internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e Samsung SDI (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Type:\u003c\/strong\u003e INR18650-25R (25R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Lithium-ion (INR \/ NMC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Size \/ Form Factor:\u003c\/strong\u003e 18650 Flat Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Terminal:\u003c\/strong\u003e Flat Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 2500mAh (0.2C discharge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.6V – 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Charge Voltage:\u003c\/strong\u003e 4.20V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.50V (recommended 3.0V for extended cycle life)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current (Max):\u003c\/strong\u003e 20A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge Current:\u003c\/strong\u003e 1.25A (0.5C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Charge Current:\u003c\/strong\u003e 4.0A (4000mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 18.5mm (Diameter) × 65.0mm (Length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approximately 45.0g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Cordless power tools, high-lumen flashlights, electric bicycles, e-scooters, robotics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung INR18650-25R 2500mAh 20A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS\u003c\/li\u003e\n\u003cli\u003eProtective packaging \/ cell box\u003c\/li\u003e\n\u003cli\u003eUser manual and battery safety guide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight repair, tool battery replacement, or testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Tool Pack Rebuilds:\u003c\/strong\u003e Perfect for rebuilding drill, driver, or garden power tool battery packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – High-Power Modules:\u003c\/strong\u003e Ideal for 36V or 48V auxiliary modules, robotics, and DIY power packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – Mobility \u0026amp; Energy Modules:\u003c\/strong\u003e Tailored for electric bike battery packs, e-scooters, and portable storage modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 PCS – Master Builder Bulk Set:\u003c\/strong\u003e Best value for workshops, custom pack assemblers, and volume battery builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\u003cp\u003eEvery cell batch supplied by DXF POWER is covered by a \u003cstrong\u003e180-day manufacturer warranty\u003c\/strong\u003e against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.\u003c\/p\u003e\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.20V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the maximum charging current of 4.0A (4000mA).\u003c\/li\u003e\n\u003cli\u003eAlways inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.\u003c\/li\u003e\n\u003cli\u003eNever carry loose 18650 batteries in pockets, bags, or purses with metal objects like keys or coins; always store in an insulated battery case.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water, and avoid temperatures exceeding 60°C.\u003c\/li\u003e\n\u003cli\u003eStore batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.\u003c\/li\u003e\n\u003cli\u003eWhen building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-charge, over-discharge, and balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine Grade-A Samsung SDI 25R cells with true 2500mAh high-drain performance\u003c\/li\u003e\n\u003cli\u003eReliable 20A continuous discharge rating under demanding power requirements\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict pre-shipment quality inspection and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and responsive technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eEngineered for contractors, DIY builders, and electronics enthusiasts looking for proven, dependable 20A continuous power and 2500mAh capacity for cordless power tools, flashlights, electric transport, and custom battery packs.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003ePower your projects with trusted Samsung 18650 performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" target=\"_blank\" rel=\"noopener\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS New Samsung INR18650 2500mAh 3.7v 35A  BATTERY","offer_id":46145336082595,"sku":"INR18650-25R-2500mAh-1PCS","price":22.18,"currency_code":"USD","in_stock":true},{"title":"10PCS New Samsung INR18650 2500mAh 3.7v 35A BATTERY","offer_id":46145336115363,"sku":"INR18650-25R-2500mAh-10PCS","price":61.87,"currency_code":"USD","in_stock":true},{"title":"20PCS New Samsung INR18650 2500mAh 3.7v 35A  BATTERY","offer_id":46145336148131,"sku":"INR18650-25R-2500mAh-20PCS","price":105.98,"currency_code":"USD","in_stock":true},{"title":"50PCS New Samsung INR18650 2500mAh 3.7v 35A  BATTERY","offer_id":46145336180899,"sku":"INR18650-25R-2500mAh-50PCS","price":238.3,"currency_code":"USD","in_stock":true},{"title":"100PCS New Samsung INR18650 2500mAh 3.7v 35A  BATTERY","offer_id":46145336213667,"sku":"INR18650-25R-2500mAh-100PCS","price":458.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_c463b6c5-8048-4185-9190-37a1c3b79018.jpg?v=1755585225","url":"https:\/\/dxf-hobby.store\/zh-it\/products\/samsung-inr18650-25r-2500mah-20a-li-ion-battery-for-power-tools-flashlights-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}