⚡ Bulk Stock Available 18650 • 3500mAh • 10A LG MJ1 INR18650High-Capacity Battery Cells High-energy 3500mAh lithium-ion cells for commercial battery-pack manufacturing, mobility systems, energy storage, robotics and other applications that prioritize runtime with moderate current demand. Volume Pricing Model Documentation Optional Cell Testing U.S. Commercial Support Request a Bulk Quote View Technical Documents Commercial-use cell: This is an unprotected industrial lithium-ion cell intended for qualified battery-pack manufacturers, system integrators and technically experienced commercial buyers. It is not a finished consumer battery. LG MJ1 Technical Overview Model-level values shown below are based on the available manufacturer specification. Lot-specific documentation should be confirmed before final production approval. Model INR18650MJ1 Nominal Capacity 3500mAh Minimum Capacity 3350mAh Nominal Voltage 3.635V Maximum Charge 4.20V Maximum Charge Current 3.35A Maximum Discharge 10A Cell Format 18650 Flat Top Model Specifications Manufacturer LG Chem / LG Energy Solution model documentation Model INR18650MJ1 Chemistry Rechargeable lithium-ion, NMC-type cathode system Nominal / Minimum Capacity 3500mAh nominal / 3350mAh minimum Nominal Voltage 3.635V Standard Charge 1.675A constant current, 4.20V constant voltage, 50mA cutoff Maximum Charge Current 3.35A Maximum Discharge Current 10A Discharge Cutoff 2.5V Maximum Dimensions 18.65mm diameter × 65.3mm height Maximum Weight 49g Charge Temperature 0°C to 45°C Discharge Temperature −20°C to 60°C Protection None — pack-level BMS and protection are required Designed for Long Runtime The MJ1 is best suited to high-energy applications where capacity and runtime are more important than extreme high-current output. Mobility Battery Packs E-bikes, light electric vehicles and mobility systems designed around appropriate pack-level protection. Energy Storage Portable storage, backup systems and custom energy modules requiring high energy per cell. Robotics & Automation Mobile robotics, monitoring systems and industrial electronics with moderate load requirements. Professional Electronics Medical, aviation, communications and portable equipment developed by qualified integrators. Bulk and Wholesale Ordering Purchase available quantities online or request project pricing for production-volume orders. 1–99 Samples & Small Builds Purchase directly through the product quantity selector. 100+ Builder Pricing Suitable for pilot production, prototypes and small commercial runs. 500+ Bulk Production Request stock confirmation, freight pricing and documentation support. 5,000+ Wholesale & OEM Written quotation, sourcing coordination and project-specific terms. Need a production-volume quotation? Include quantity, application, destination and required testing. Request Written Quote Optional Commercial Support Services are quoted separately and depend on quantity, schedule and customer requirements. Lot Coordination Same-production-lot coordination may be available for qualified project quantities. Capacity Testing Optional capacity screening and sorting based on an agreed test protocol. DCIR Screening Internal-resistance screening and matching for commercial pack projects. Cell-Level Data CSV or Excel test data may be quoted for screened production orders. LG MJ1 Technical Documents Manufacturer and laboratory documents are provided for model reference, commercial evaluation and transportation-support purposes. SDS Safety Data Sheet Safety, composition, handling, storage, emergency and disposal information for the INR18650MJ1 cell. (ULS)200122_MSDS_ INR18650MJ1_LGC_V1(1)(1).pdf View Safety Data Sheet UN UN Transportation Test Report Model test documentation covering applicable lithium-cell transportation testing and reported results. ULS-LG-MJ1-UN38-3-Transport-Test-Report.pdf View UN Test Report IEC IEC 62133:2012 Test Report UL Taiwan test documentation identifying the MJ1 model, ratings, construction information and test results. ULS-LG-MJ1-IEC-62133-Test-Report.pdf View IEC Test Report UL Historical UL 1642 Notice Historical 2015 notice concerning completion of the UL investigation and temporary authorization to apply the UL Mark. (ULS)150526-[UL1642] ICR18650MJ1, INR18650MJ1 NoA(1).pdf View Historical Notice 🔒 Restricted Product Specification The detailed manufacturer specification is marked confidential. Access may be reviewed for qualified commercial projects. (ULS)LG_INR18650MJ1_Specsheet.pdf Request Commercial Access Frequently Asked Questions Are LG MJ1 cells protected? No. These are unprotected flat-top cells. A properly engineered battery pack must use appropriate battery-management, overcharge, over-discharge, overcurrent, short-circuit and thermal protections. Can ULS provide cells from the same production lot? Same-lot coordination may be available for qualified quantities. Confirm the requirement before ordering because availability depends on current inventory and supplier allocation. Is testing included with every order? Standard orders do not automatically include individual capacity or DCIR testing. Screening, matching and cell-level data are available by written quotation. How are bulk lithium cells shipped? Lithium-ion cells are regulated for transportation. Shipping method, packaging, documentation, transit time and freight cost depend on quantity, destination and applicable carrier requirements. ULS Commercial Cell Supply Building With LG MJ1 Cells? Send ULS your required quantity, application, destination, testing requirements and target delivery date. Our team will confirm available inventory and prepare the appropriate commercial quotation. Contact ULS Sales Technical and documentation notice: Specifications may vary by manufacturer revision and production lot. Certification and test documents were issued by their respective manufacturers, laboratories or certification bodies and are hosted by United Lithium Solutions for reference. ULS does not independently issue or replace the original certifications. Buyers are responsible for confirming product suitability, pack design, protection requirements, regulatory obligations and transportation compliance for their intended application.
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