Molicel INR18650-P28A 2800mAh 35A Li-ion Battery for Power Tools, Flashlights & DIY Battery Packs (1-100 PCS)

The Molicel INR18650-P28A 2800mAh 35A Continuous Discharge 18650 Li-ion Rechargeable Battery is an industry-benchmark ultra-high-drain cylindrical cell manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Widely regarded by engineers and battery builders as the pinnacle of 18650 high-drain performance, this flat-top bare cell delivers 2800mAh typical capacity (2600mAh minimum, 10.3Wh) on a 3.6V nominal platform with a relentless 35A maximum continuous discharge rating and an ultra-low internal resistance (≤20 mΩ). Featuring outstanding low-temperature operating capabilities down to -40°C, rapid 6.0A maximum charging, and high energy density (610Wh/L, 220Wh/kg), the P28A is the premier choice for heavy-duty cordless power tools, electric bicycles, drones, high-lumen flashlights, and custom DIY battery packs.

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Key Features

• Genuine Molicel INR18650-P28A Cell: Authentic Grade-A 18650 cylindrical cell engineered for severe high-drain discharge and ultra-reliable cycle stability
• 2800mAh High Capacity: 2800mAh typical capacity (2600mAh minimum) delivers 10.3Wh of dependable energy without compromising discharge current
• 35A Constant Continuous Discharge: Massive 35A continuous discharge capability delivers instant and sustained power under heavy industrial loads
• Ultra-Low Internal Resistance (≤20 mΩ): Ensures excellent voltage retention under heavy draw and dramatically reduces operational heat buildup
• Wide Operating Temperature Window: Reliable discharge performance across extreme temperatures from -40°C to 60°C
• Rapid Charging Capable: Supports standard 2.8A charging and up to 6.0A maximum fast charging (CC-CV)
• Standard 18650 Flat-Top Design: Standard dimensions of 18.6 mm max diameter × 65.2 mm max length and ~46 g weight, ideal for precision spot welding
• Multiple Pack Bundles: Available in 1, 10, 20, 50, and 100 piece packages for maintenance or volume pack manufacturing
• Strict Factory Quality Testing: Cells are inspected for voltage balance, internal resistance, and capacity consistency across every batch

Specifications, Per Battery

• Brand / Manufacturer: Molicel (E-One Moli Energy / Supplied by DXF POWER)
• Model / Part No.: INR-18650-P28A (P28A)
• Cell Format: 18650 Cylindrical Rechargeable Lithium-ion (Li-ion)
• Positive Pole: Flat (Flat Top)
• Protection Circuit: Without (Unprotected industrial bare cell; requires compatible device-level protection or pack-level BMS)
• Typical Capacity: 2800mAh (10.3Wh)
• Minimum Capacity: 2600mAh (9.56Wh)
• Nominal Voltage: 3.6V
• Maximum Charge Voltage: 4.2V
• Discharge Cut-Off Voltage: 2.5V
• Max. Continuous Discharge Current: 35A
• Standard Charge Current: 2.8A (approx. 1.5 hr standard charge)
• Max. Charge Current: 6.0A (CC-CV with 50mA cut-off)
• Internal Resistance: ≤20 mΩ (max AC at 1kHz / DC at 10A)
• Energy Density: 610Wh/L / 220Wh/kg
• Operating Temperature: Charge: 0°C to 60°C / Discharge: -40°C to 60°C
• Cell Dimensions: Diameter: max. 18.6 mm × Length: max. 65.2 mm
• Cell Weight: Approx. 46.0 g typical
• Applications: High-drain cordless power tools, electric bicycles (e-bikes), drones, robots, high-lumen flashlights, and custom DIY battery packs

Package Includes

• Molicel INR18650-P28A 2800mAh 35A battery cells, quantity chosen from 1, 10, 20, 50, or 100 PCS
• Protective packaging / cell box
• User manual and battery safety guide

Choose Your Ideal Power Bundle

• 1 PCS – Single Cell Replacement: Quick replacement for high-drain torches, individual test benches, or handheld tools
• 10 PCS – Portable High-Drain Modules: Ideal for high-output dive lights, drone gear, and compact robotics
• 20 PCS – High-Power Mobile Modules: Perfect for 18V/20V cordless power tool battery rebuilds and portable power modules
• 50 PCS – E-Bike & Scooter Battery Packs: Optimized quantity for assembling high-current 36V/48V light electric vehicle packs
• 100 PCS – Volume Assembly Bulk Set: Best value for workshops, battery rebuilders, and custom pack manufacturers

Purchasing in bundles ensures matched cell batches for balanced series and parallel assembly.

180-Day Warranty & Customer Support

Every cell batch supplied by DXF POWER is covered by a 180-day manufacturer warranty against defects in materials and craftsmanship. Our technical support team is always available to assist with charging parameters, pack layout recommendations, and safety practices.

Usage & Safety Guidelines

• Use a dedicated lithium-ion smart charger supporting CC/CV charging mode up to 4.20V.
• Never charge above 4.25V per cell or discharge below 2.50V per cell.
• Never exceed the maximum continuous discharge current of 35A.
• Always inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.
• Never 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.
• Do not short-circuit, crush, incinerate, puncture, or submerge cells in water.
• Store batteries at 3.60V–3.85V per cell in a cool, dry, well-ventilated location away from direct sunlight.
• When building multi-cell packs, always integrate a quality Battery Management System (BMS) with over-current, over-charge, over-discharge, and thermal balance protection.

Why Choose DXF?

• Genuine Grade-A Molicel INR18650-P28A cells with authentic 2800mAh capacity and 35A continuous output
• Industry-standard high-drain chemistry with ultra-low internal resistance and wide operating temperature range
• Carefully matched batches for balanced series and parallel pack assembly
• Strict factory pre-shipment quality checks and secure protective packaging
• Global warehouse logistics network and professional technical customer support

Perfect For

Engineered for power tool rebuilders, drone enthusiasts, and DIY pack fabricators demanding authentic 35A continuous discharge, 2800mAh capacity, and ultra-low internal resistance for high-drain electronics, cordless equipment, and custom energy modules.

Power your projects with trusted Molicel performance. Learn more about setups and battery care on the DXF YouTube channel.