{"product_id":"lg-f1l-inr18650-f1l-3350mah-4-88a-li-ion-battery-for-flashlights-e-bikes-diy-battery-packs-1-100-pcs","title":"LG F1L INR18650-F1L 3350mAh 4.88A Li-ion Battery for Flashlights, E-Bikes \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: bold; 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\" rel=\"noopener\" style=\"color: #d64224; text-decoration: underline;\" target=\"_blank\"\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 LG Chem F1L INR18650-F1L ultra-high capacity 3350mAh 4.88A continuous lithium-ion cells for high-lumen flashlights, electric mobility, and custom DIY battery projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\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\n\u003cp\u003eThe \u003cstrong\u003eLG F1L INR18650-F1L 3350mAh 4.88A Continuous Discharge Li-ion Rechargeable Battery\u003c\/strong\u003e is an ultra-high energy density 18650 cylindrical cell manufactured by LG Chem and supplied by DXF POWER with strict quality grading. Engineered for maximum runtime in high-end portable electronics, energy storage, and light electric mobility, this flat-top bare cell delivers an impressive 3350mAh nominal capacity (3250mAh minimum \/ 12Wh) on an average 3.63V nominal platform with a dependable 1.5C (4875mA \/ ~4.88A) continuous discharge rating. Recognized for its excellent energy retention, low self-discharge, and proven thermal safety, the LG F1L is the optimal power solution for long-range flashlights, portable power stations, e-bikes, medical devices, and custom DIY battery packs.\u003c\/p\u003e\n\u003ch2\u003eWatch DXF Batteries in Action\u003c\/h2\u003e\n\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;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine LG Chem F1L Cell:\u003c\/strong\u003e Authentic Grade-A 18650 cylindrical cell engineered for ultra-high energy density and extended runtimes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3350mAh Ultra-High Capacity:\u003c\/strong\u003e 3350mAh nominal capacity (3250mAh minimum \/ 12Wh) providing industry-leading endurance for battery-powered equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5C \/ 4.88A Continuous Discharge:\u003c\/strong\u003e Delivers up to 4875mA continuous output without thermal cut-off, tailored for steady medium-drain loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage 3.63V Platform:\u003c\/strong\u003e Optimized voltage stability with 4.2V standard charging and 2.5V discharge cut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 18650 Flat-Top Design:\u003c\/strong\u003e Standard dimensions of ~18.5 mm diameter × 65.0 mm height and ~49.0 g weight, ideal for precision spot welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Pack Bundles:\u003c\/strong\u003e Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Factory Quality Testing:\u003c\/strong\u003e Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications, Per Battery\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \/ Manufacturer:\u003c\/strong\u003e LG Chem (Supplied by DXF POWER)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part No.:\u003c\/strong\u003e INR18650F1L \/ INR18650-F1L (F1L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Format:\u003c\/strong\u003e 18650 Cylindrical Rechargeable Lithium-ion (Li-ion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Pole:\u003c\/strong\u003e Flat (Flat Top)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuit:\u003c\/strong\u003e Without (Unprotected industrial bare cell; requires compatible device-level or pack-level protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Capacity:\u003c\/strong\u003e 3350mAh (12Wh)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Capacity:\u003c\/strong\u003e 3250mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e Average 3.63V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Continuous Discharge Current:\u003c\/strong\u003e 1.5C \/ 4875mA (~4.88A) at 5°C–50°C (0.5C \/ 1625mA at -20°C–5°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge Cut-Off Voltage:\u003c\/strong\u003e 2.5V (Standard 0.2C \/ 650mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Charge:\u003c\/strong\u003e CC-CV 0.5C (1625mA) to 4.2V, 50mA cut-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charge Current:\u003c\/strong\u003e 0.5C (1625mA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Charge Voltage:\u003c\/strong\u003e 4.2V ± 0.05V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Charge: 0°C to 45°C; Discharge: -20°C to 50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Dimensions:\u003c\/strong\u003e Diameter: ~18.5 mm × Height: ~65.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Weight:\u003c\/strong\u003e Approx. 49.0 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e High-lumen LED flashlights, portable power banks, electric bicycles (e-bikes), scooters, and custom DIY battery packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLG F1L INR18650-F1L 3350mAh 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\n\u003ch2\u003eChoose Your Ideal Power Bundle\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 PCS – Quick Replacement \u0026amp; Testing:\u003c\/strong\u003e Single cell for flashlight upgrade, testing, or individual cell repair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 PCS – Portable Light \u0026amp; Device Packs:\u003c\/strong\u003e Ideal for high-lumen multi-cell torches, camping lanterns, and small electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 PCS – Compact Energy Modules:\u003c\/strong\u003e Perfect for small portable power banks, robotics, and auxiliary power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 PCS – E-Bike \u0026amp; Mobility Packs:\u003c\/strong\u003e Sized for building and refurbishing standard 36V\/48V electric bicycle packs\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\n\u003cp\u003e\u003cstrong\u003ePurchasing in bundles ensures matched cell batches for balanced series and parallel assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e180-Day Warranty \u0026amp; Customer Support\u003c\/h2\u003e\n\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\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse a dedicated lithium-ion smart charger supporting CC\/CV charging mode up to 4.20V.\u003c\/li\u003e\n\u003cli\u003eNever charge above 4.25V per cell or discharge below 2.50V per cell.\u003c\/li\u003e\n\u003cli\u003eNever exceed the maximum continuous discharge current of 1.5C (4.88A).\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; practical storage in an insulated battery case is essential.\u003c\/li\u003e\n\u003cli\u003eDo not short-circuit, crush, incinerate, puncture, or submerge cells in water.\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-current, over-charge, over-discharge, and thermal balance protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose DXF?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Grade-A LG Chem F1L cells with true 3350mAh capacity and reliable continuous output\u003c\/li\u003e\n\u003cli\u003eUltra-high energy density for long-lasting portable and mobile power\u003c\/li\u003e\n\u003cli\u003eCarefully matched batches for balanced series and parallel pack assembly\u003c\/li\u003e\n\u003cli\u003eStrict factory pre-shipment quality checks and secure protective packaging\u003c\/li\u003e\n\u003cli\u003eGlobal warehouse logistics network and professional technical customer support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cp\u003eEngineered for flashlight enthusiasts, e-bike builders, and DIY pack fabricators demanding dependable 3350mAh high capacity and stable continuous discharge for extended-runtime lighting, electric mobility, and custom energy storage modules.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003ePower your projects with trusted LG Chem performance.\u003c\/strong\u003e Learn more about setups and battery care on the \u003ca href=\"https:\/\/www.youtube.com\/@stevehou8316\" rel=\"noopener\" target=\"_blank\"\u003eDXF YouTube channel\u003c\/a\u003e.\u003c\/p\u003e","brand":"DXF POWER","offers":[{"title":"1PCS LG18650F1L 3350mAh   BATTERY","offer_id":46159886647459,"sku":"INR18650-F1L-3350mAh-1PCS","price":23.64,"currency_code":"USD","in_stock":true},{"title":"10PCS LG18650F1L 3350mAh   BATTERY","offer_id":46159886680227,"sku":"INR18650-F1L-3350mAh-10PCS","price":76.47,"currency_code":"USD","in_stock":true},{"title":"20PCS  LG18650F1L 3350mAh   BATTERY","offer_id":46159886712995,"sku":"INR18650-F1L-3350mAh-20PCS","price":135.18,"currency_code":"USD","in_stock":true},{"title":"50PCS LG18650F1L 3350mAh   BATTERY","offer_id":46159886745763,"sku":"INR18650-F1L-3350mAh-50PCS","price":311.3,"currency_code":"USD","in_stock":true},{"title":"100PCS  LG18650F1L 3350mAh   BATTERY","offer_id":46159886778531,"sku":"INR18650-F1L-3350mAh-100PCS","price":604.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0484\/7691\/3827\/files\/5_2a6271b4-d794-480f-93b3-8428c485f539.png?v=1790671835","url":"https:\/\/dxf-hobby.store\/no-hu\/products\/lg-f1l-inr18650-f1l-3350mah-4-88a-li-ion-battery-for-flashlights-e-bikes-diy-battery-packs-1-100-pcs","provider":"DXF POWER","version":"1.0","type":"link"}