{"product_id":"samsung-icr18650-30b-3000mah-6a-li-ion-battery-for-flashlights-power-banks-diy-battery-packs-1-100-pcs","title":"Samsung ICR18650-30B 3000mAh 6A Li-ion Battery for Flashlights, Power Banks \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 ICR18650-30B lithium-ion cells for your portable electronics, backup power, 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 ICR18650-30B 3000mAh 6A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e delivers high capacity, stable voltage output, and dependable cycle longevity for everyday electronic devices. Manufactured by Samsung SDI and supplied by DXF POWER with strict quality grading, this 18650 flat-top cell provides a true 3000mAh nominal capacity (at 1C discharge) on a stable 3.7V platform with a 2C (6A) continuous discharge rating. It is an excellent power choice for LED flashlights, power banks, emergency illumination, portable audio gear, 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 30B Cell:\u003c\/strong\u003e Authentic Grade-A cylindrical lithium-ion cell manufactured by Samsung SDI, offering consistent performance and long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3000mAh High Capacity:\u003c\/strong\u003e Delivers extended runtimes at 1C discharge, ideal for high-endurance lighting and portable energy devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6A (2C) Continuous Discharge:\u003c\/strong\u003e Safe, steady continuous power output engineered for low-to-medium drain electronics without thermal overheating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Charge Capability:\u003c\/strong\u003e Supports up to 5C maximum charging current with a standard 1C charge profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 18650 Flat-Top Design:\u003c\/strong\u003e Standard 18mm × 65mm form factor with flat top positive terminal, ideal for battery holders, spot welding, 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 single replacements or bulk pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Quality Grading:\u003c\/strong\u003e Pre-screened for matched internal resistance, voltage balance, and uniform capacity 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\u003eProduct Model:\u003c\/strong\u003e ICR18650-30B (30B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Type:\u003c\/strong\u003e Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize \/ Form Factor:\u003c\/strong\u003e 18650 Flat Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 3000mAh @ 1C Discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Cut-Off Voltage:\u003c\/strong\u003e 4.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.7V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge Current:\u003c\/strong\u003e 1C (approx. 3.0 hours standard charge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Charge Current:\u003c\/strong\u003e 5C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Continuous Discharge Current:\u003c\/strong\u003e 2C (6A) (Cell skin temperature cannot exceed 85°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature (Charging):\u003c\/strong\u003e 0°C ~ 45°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature (Discharging):\u003c\/strong\u003e -20°C ~ 60°C (Cell skin temperature cannot exceed 70°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -10°C ~ +35°C (Humidity 65% ± 20% RH, recommended 23 ± 5°C for long-term storage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 18mm (Diameter) × 65mm (Length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approximately 50g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e High-output LED flashlights, power banks, emergency lighting, portable consumer electronics, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSamsung ICR18650-30B 3000mAh 6A 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, device testing, or single-cell replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Small Rebuilds \u0026amp; Power Banks:\u003c\/strong\u003e Ideal for compact power bank rebuilds, multi-cell torches, and hobby electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Medium Pack Builds:\u003c\/strong\u003e Suitable for small solar storage banks, portable lighting arrays, and DIY equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – High-Capacity Modular Packs:\u003c\/strong\u003e Great for larger energy storage modules and commercial maintenance spares\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 electronics 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 4.2V per cell or discharge below 2.7V per cell.\u003c\/li\u003e\n\u003cli\u003eEnsure cell skin temperature does not exceed 70°C during discharge (absolute max 85°C).\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 30B cells with consistent internal resistance and true 3000mAh capacity\u003c\/li\u003e\n\u003cli\u003eSafe and stable 6A (2C) continuous discharge rating optimized for long lifespan and steady power\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 DIY builders, technicians, and electronics enthusiasts looking for high-capacity 3000mAh 18650 power with dependable 6A continuous output for lighting, backup power, portable electronics, and modular pack projects.\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 Samsung ICR18650-30B 3000mAh 6A 3.7V  BATTERY","offer_id":46147926950051,"sku":"ICR18650-30B-3000mAh-1PCS","price":23.36,"currency_code":"USD","in_stock":true},{"title":"10PCS Samsung ICR18650-30B 3000mAh 6A 3.7V  BATTERY","offer_id":46147926982819,"sku":"ICR18650-30B-3000mAh-10PCS","price":67.65,"currency_code":"USD","in_stock":true},{"title":"20PCS Samsung ICR18650-30B 3000mAh 6A 3.7V  BATTERY","offer_id":46147927015587,"sku":"ICR18650-30B-3000mAh-20PCS","price":123.62,"currency_code":"USD","in_stock":true},{"title":"50PCS Samsung ICR18650-30B 3000mAh 6A 3.7V  BATTERY","offer_id":46147927048355,"sku":"ICR18650-30B-3000mAh-50PCS","price":291.53,"currency_code":"USD","in_stock":true},{"title":"100PCS Samsung ICR18650-30B 3000mAh 6A 3.7V  BATTERY","offer_id":46147927081123,"sku":"ICR18650-30B-3000mAh-100PCS","price":571.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/1_14dd2afa-9190-49aa-80b2-ab7e1b1e4591.jpg?v=1790590335","url":"https:\/\/dxf-hobby.store\/en-de\/products\/samsung-icr18650-30b-3000mah-6a-li-ion-battery-for-flashlights-power-banks-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}