The Molicel INR21700-P42A 4200mAh 45A Continuous Discharge 21700 Li-ion Rechargeable Battery is widely celebrated as one of the most reliable and capable ultra-high-drain 21700 cylindrical cells ever engineered, manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Designed for demanding applications requiring massive power delivery and exceptional thermal endurance, this flat-top bare cell delivers 4200mAh nominal capacity on a 3.6V nominal platform with an extraordinary 45A constant continuous discharge capability and low internal resistance. Known for its perfect balance of high capacity, continuous current handling, and long cycle life, the P42A is the industry standard for electric bikes, high-performance battery packs, cordless power tools, robotics, and custom DIY battery builds.

Watch DXF Batteries in Action

Key Features

• Genuine Molicel INR21700-P42A Cell: Authentic Grade-A 21700 cylindrical cell engineered by E-One Moli Energy for extreme high-drain reliability
• 4200mAh High Capacity: Large 4200mAh nominal capacity provides substantial runtime while maintaining high-current discharge stability
• 45A Constant Continuous Discharge: Massive 45A continuous discharge rating delivers uncompromising power output without thermal throttling
• Low Internal Resistance: Minimizes operating heat buildup, maximizes power transfer efficiency, and maintains high voltage under load
• Outstanding Thermal Stability: Engineered to withstand sustained heavy current draws with superior thermal control and longevity
• Standard 21700 Flat-Top Design: Standard dimensions of 21.4 mm diameter × 70.2 mm length and ~67 g weight, ideal for precision spot welding and pack fabrication
• Multiple Pack Bundles: Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication
• 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-21700-P42A (P42A)
• Cell Format: 21700 Cylindrical Rechargeable Lithium-ion (INR)
• Positive Pole: Flat (Flat Top)
• Protection Circuit: Without (Unprotected industrial bare cell; requires compatible BMS / protection circuit)
• Nominal Capacity: 4200mAh
• Nominal Voltage: 3.6V
• Max. Charge Voltage: 4.2V
• Discharge Cut-Off Voltage: 2.5V
• Continuous Discharge Rating: 45A
• Charging Method: Constant Current / Constant Voltage (CC-CV)
• Cell Dimensions: Diameter: approx. 21.4 mm × Length: approx. 70.2 mm
• Cell Weight: Approx. 67.0 g
• Applications: High-performance battery packs, electric bikes & scooters (e-bikes), heavy-duty power tools, energy storage systems, racing & motorsports, and custom DIY lithium projects

Package Includes

• Molicel INR21700-P42A 4200mAh 45A 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/24V 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 45A.
• Always inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.
• Never carry loose 21700 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 INR21700-P42A cells with authentic 4200mAh capacity and 45A continuous output
• Industry-standard high-drain chemistry with proven thermal stability and long cycle life
• 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 e-bike builders, power tool rebuilders, and DIY pack fabricators demanding authentic 45A continuous discharge, 4200mAh capacity, and robust thermal endurance for demanding electric mobility, heavy-duty 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.

The Molicel INR21700-P50B 5000mAh 60A Continuous Discharge 21700 Li-ion Rechargeable Battery is the revolutionary next-generation powerhouse cylindrical cell manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Setting a new world standard for 21700 battery technology, this flat-top bare cell combines an enormous 5000mAh typical capacity (4850mAh minimum) with an incredible 60A maximum continuous discharge rating (with 80°C temperature cut-off) and an ultra-low internal resistance of ≤8 mΩ. Engineered for extreme power-density applications, the P50B supports rapid charging up to 25A, functions in temperatures from -40°C to 60°C, and delivers industry-leading voltage retention under extreme loads, making it the premier choice for hyper-performance electric bikes, high-drain cordless power tools, racing drones, eVTOL, and custom DIY battery packs.

Watch DXF Batteries in Action

Key Features

• Genuine Molicel INR21700-P50B Cell: Next-generation Grade-A 21700 cell by E-One Moli Energy, combining massive capacity with unprecedented discharge capability
• 5000mAh High Capacity: Full 5000mAh (5.0Ah typical, 4.85Ah minimum) capacity eliminates runtime trade-offs in high-drain setups
• 60A Continuous Discharge Capability: Massive 60A continuous discharge rating delivers uncompromising power output under heavy industrial loads
• Ultra-Low Internal Resistance (≤8 mΩ): Measured by AC 1kHz at shipping; ensures minimal internal heat buildup and maximum voltage retention under load
• Ultra-Fast Charging (Up to 25A): Supports 5.0A rated charging in 1.5 hours and up to 25A maximum continuous charge current
• Extreme Temperature Resilience: Reliable discharging performance from -40°C to 60°C (up to 80°C surface temperature limit)
• Standard 21700 Flat-Top Design: 21.55 mm max diameter × 70.15 mm max length and ~70 g max weight, ideal for precision spot welding and pack fabrication
• Multiple Pack Bundles: Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication
• 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-21700-P50B (P50B)
• Cell Format: 21700 Cylindrical Rechargeable Lithium-ion (INR)
• Positive Pole: Flat (Flat Top)
• Protection Circuit: Without (Unprotected industrial bare cell; requires compatible BMS / protection circuit)
• Nominal / Typical Capacity: 5000mAh (5.0Ah typical / 4850mAh minimum at 23°C)
• Nominal Voltage: 3.6V
• End of Charge Voltage: 4.20V ± 0.05V
• End of Discharge Voltage: 2.5V
• Max. Continuous Discharge Current: 60A (with 80°C cell surface cut-off)
• Rated Charge Current: 5.0A (constant 4.2V for 1.5h or 50mA taper current at 23°C)
• Max. Continuous Charge Current: 25A
• Internal Resistance: ≤8 mΩ (AC 1kHz at shipping)
• Operating Temperature: Charge: -20°C to 60°C / Discharge: -40°C to 60°C
• Cell Surface Temperature Limit: Charge: -20°C to 70°C / Discharge: -40°C to 80°C
• Shipping Voltage: ≥3.45V (approx. 30% SOC)
• Cell Dimensions: Max. Diameter: 21.55 mm × Max. Length: 70.15 mm
• Cell Weight: Max. 70.0 g
• Applications: High-performance electric bikes & hyper-scooters (e-bikes), heavy-duty power tools, racing drones, eVTOL, energy storage systems, and custom DIY lithium battery projects

Package Includes

• Molicel INR21700-P50B 5000mAh 60A 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/24V 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 60A.
• Always inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.
• Never carry loose 21700 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 INR21700-P50B cells with authentic 5000mAh capacity and 60A continuous output
• Industry-leading ≤8 mΩ internal resistance and 25A rapid charge capability
• 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 e-bike builders, racing drone enthusiasts, and DIY pack fabricators demanding the ultimate 5000mAh capacity and 60A continuous discharge with ultra-low ≤8 mΩ internal resistance for next-generation electric mobility, heavy-duty 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.

The Molicel INR21700-P45B 4500mAh 45A Continuous Discharge 21700 Li-ion Rechargeable Battery is an industry-redefining next-generation power cell manufactured by E-One Moli Energy (Molicel) and supplied by DXF POWER with strict quality grading. Featuring 7% higher capacity and 22% lower DC resistance than the renowned P42A, this flat-top bare cell delivers 4500mAh typical capacity (16.2Wh) on a 3.6V nominal platform with an impressive 45A maximum continuous discharge rating (up to 120W continuous per cell) and an ultra-low typical impedance of only 7 mΩ (AC 1kHz). With enhanced 3C / 13.5A fast charging capability, superior in-cell thermal control, and a wide operating temperature range from -40°C to 60°C, the P45B is the premier choice for hyper-performance electric vehicles, eVTOL aircraft, micro-mobility, heavy-duty cordless power tools, and custom DIY battery packs.

Watch DXF Batteries in Action

Key Features

• Genuine Molicel INR21700-P45B Cell: Next-generation Grade-A 21700 cell by E-One Moli Energy featuring 22% lower DC internal resistance and 7% higher capacity than P42A
• 4500mAh High Capacity: Delivers 4500mAh typical capacity (16.2Wh) with high energy density (643 Wh/L, 242 Wh/kg) for extended operational runtimes
• 45A Constant Continuous Discharge: Unyielding 45A continuous discharge performance delivering up to 120W sustained power per cell without thermal throttling
• Ultra-Low Impedance (≤13.8 mΩ DCIR): Typical AC impedance of 7 mΩ at 1kHz; ensures minimal heat generation and maximum voltage retention under load
• Superior 3C Fast Charging: High-speed 13.5A continuous charging capability allows a standard full recharge in just 1.5 hours
• Optimized Thermal Management: Advanced internal cell construction reduces core temperature variance by 3–4°C for enhanced longevity (500+ cycles at 80% retention)
• Standard 21700 Flat-Top Design: Max. 21.6 mm diameter × 70.2 mm height and ~69 g weight, ideal for precision spot welding and pack fabrication
• Multiple Pack Bundles: Available in 1, 10, 20, 50, and 100 piece packages for individual replacements or large-scale pack fabrication
• 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-21700-P45B (P45B)
• Cell Format: 21700 Cylindrical Rechargeable Lithium-ion (INR)
• Positive Pole: Flat (Flat Top)
• Can Material: Steel
• Protection Circuit: Without (Unprotected industrial bare cell; requires compatible BMS / protection circuit)
• Typical Capacity: 4500mAh (16.2Wh)
• Nominal Voltage: 3.6V
• Maximum Charge Voltage: 4.2V
• Discharge Cut-Off Voltage: 2.5V
• Max. Continuous Discharge Current: 45A (with 45°C cut-off, up to 120W continuous)
• Fast Charge Current: 13.5A continuous charge (up to 3C rate)
• Standard Charging Time: 1.5 hours
• Typical Impedance (AC 1kHz, 30% SOC): 7 mΩ
• Typical Impedance (DC, 50% SOC): 15 mΩ (Max. DCIR ≤ 13.8 mΩ)
• Energy Density: 643 Wh/L (Volumetric) / 242 Wh/kg (Gravimetric)
• Operating Temperature: Charge: 0°C to 60°C / Discharge: -40°C to 60°C
• Cycle Life: 500+ cycles at high-rate discharge (80% capacity retention)
• Cell Dimensions: Max. Diameter: 21.6 mm × Max. Height: 70.2 mm
• Cell Weight: Max. 69.0 g
• Applications: Electric vehicles (EV), eVTOL aircraft, micro-mobility, electric bikes & scooters (e-bikes), heavy-duty power tools, and custom DIY lithium projects

Package Includes

• Molicel INR21700-P45B 4500mAh 45A 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/24V 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 45A.
• Always inspect cell outer shrink wrap, insulator ring, and terminals for damage before use; rewrap immediately if damaged.
• Never carry loose 21700 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 INR21700-P45B cells with authentic 4500mAh capacity and 45A continuous output
• Industry-leading 7 mΩ AC impedance and ultra-fast 13.5A (3C) charging capability
• 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 e-bike builders, eVTOL developers, power tool rebuilders, and DIY pack fabricators demanding high 4500mAh capacity and 45A continuous discharge with ultra-low internal resistance for next-generation electric mobility, heavy-duty 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.