MOLICEL INR-21700-P45B – High-Performance 21700 Lithium-Ion Power Cell

The Molicel P45B Cell is engineered for users who demand extreme power delivery, fast charging capability, and reliable high-drain performance in demanding electronic applications.

Built using advanced 21700 lithium-ion technology, this premium high-capacity cell delivers an excellent balance between energy density, discharge capability, thermal stability, and long-term reliability.

Whether used in FPV drones, electric mobility systems, high-performance battery packs, industrial electronics, or portable power applications, the cell provides stable and efficient power output even under heavy continuous load conditions.

Its powerful 45A continuous discharge capability makes it one of the most trusted high-drain 21700 battery options available for performance-focused applications.

High-Capacity 4500mAh Power Performance

The Molicel P45B Cell combines high energy density with exceptional discharge capability, making it highly suitable for applications requiring both long runtime and strong current output.

The cell delivers:

• Typical Capacity: 4500mAh
• Nominal Voltage: 3.6V
• Maximum Charge Voltage: 4.2V
• Continuous Discharge Current: 45A

This balance between capacity and current delivery helps maintain:

• stable voltage performance
• consistent power output
• improved efficiency under load
• reduced voltage sag during demanding operation

As a result, the cell performs exceptionally well in high-performance battery systems.

Optimized for High-Drain Applications

Unlike standard lithium-ion batteries designed mainly for low-current electronics, the Molicel P45B Cell is specifically optimized for heavy-load and high-current environments.

It is ideal for:

• FPV drone battery packs
• electric mobility systems
• high-power flashlights
• DIY battery packs
• robotics projects
• industrial power systems
• portable energy storage solutions

Its low internal resistance helps improve power efficiency while maintaining cleaner and more stable current delivery during operation.

Fast Charging with Excellent Thermal Stability

The Molicel P45B Cell supports fast charging capability while maintaining strong thermal performance and operational safety.

Charging Performance

• Standard Charge Current: 4.5A
• Maximum Charge Current: 13.5A
• Standard Charge Time: Approximately 1.5 Hours

The advanced thermal design allows safe operation across a wide temperature range:

• Charging Temperature: 0°C to 60°C
• Discharge Temperature: -40°C to 60°C

This makes the cell highly reliable in both cold and high-temperature operating environments.

Low Internal Resistance for Better Efficiency

One of the biggest strengths of the Molicel P45B Cell is its low impedance design.

Typical Impedance

• AC Impedance: 7mΩ
• DC Impedance: 15mΩ

Lower resistance improves:

• current delivery efficiency
• voltage stability
• reduced heat generation
• high-load performance consistency

This becomes especially important in performance-focused electronic systems where power stability directly impacts system efficiency.

High Energy Density 21700 Technology

The 21700 format offers higher energy density and better efficiency compared to many traditional 18650 battery cells.

Energy Density Performance

• Volumetric Energy Density: 643 Wh/l
• Gravimetric Energy Density: 242 Wh/kg

This allows battery pack builders to achieve:

• higher overall capacity
• improved runtime
• compact pack design
• stronger power-to-weight performance

Technical Specifications

Ideal Applications

The Molicel P45B Cell is suitable for:

• • FPV drone battery packs
  • High-drain electronics
  • Electric mobility systems
  • DIY lithium battery projects
  • Portable power systems
  • Industrial electronics
  • Robotics applications