Molicel INR-21700-P42A 4200mAh 45A Lithium-Ion Cell

The Molicel INR-21700-P42A is a high-performance lithium-ion battery cell engineered for applications that demand high current output, long cycle life, and exceptional thermal stability. Trusted across EV, UAV, power tools, and energy storage systems, this cell delivers consistent power under heavy load without compromising safety or reliability.

With a 4200mAh capacity and industry-leading continuous discharge capability, the P42A strikes an ideal balance between energy density and power delivery. It is especially well-suited for drones, robotics, electric mobility, and other high-drain systems where voltage stability and efficiency are critical.

Manufactured by Molicel, a globally respected cell manufacturer, the P42A is known for its tight quality control, low internal resistance, and excellent performance even in demanding environments.

Key Highlights

• High Capacity & High Power Output: Delivers 4200mAh with strong current capability, making it ideal for power-hungry applications.
• Excellent Thermal Stability: Designed to maintain performance and safety under sustained high loads.
• Low Internal Resistance: Ensures better efficiency, reduced heat generation, and stable voltage output
• Long Cycle Life: Built for repeated charge and discharge cycles with minimal capacity degradation.
• Industry-Proven Reliability: Widely used in EV packs, UAV battery systems, power tools, and energy storage solutions.