Description
Molicel INR-21700-P45B
⚡3.6V 45A 🔋4500mAh
📌 P45B Overview
Molicel P45B is a 21700 cylindrical lithium-ion cell with 4500mAh typical capacity, 3.6V nominal voltage, and 45A maximum continuous discharge current, designed for ultra-high-power applications requiring low impedance and strong energy density.
P45B supports high-power continuous discharge and fast charging capability, making it suitable for eVTOL, high-performance EV platforms, racing power systems, BBU backup power, industrial power tools, and custom high-power battery pack projects.
✨ P45B Key Features
● 🔋 Format: 21700 cylindrical cell with 4500mAh / 16.2Wh typical capacity and approximately 70g cell weight
● ⚡ Positioning: ultra-high-power cell focused on strong output, low impedance, and stable discharge, with 45A continuous discharge capability
● 📊 Energy Density: 242Wh/kg gravimetric energy density and 643Wh/L volumetric energy density, balancing high power output and runtime performance
● 🔌 Charging: 13.5A maximum charge current for high-rate fast charging and demanding power applications
● 🧩 Impedance: maximum 13.8mΩ DCIR, supporting stable high-current output and reduced heat under heavy-load conditions
● 🌡️ Thermal Performance: optimized in-cell thermal distribution helps improve stability and consistency during high-power operation
● 🔁 Cycle Performance: over 500 cycles with high-rate 80% capacity retention, suitable for battery pack projects requiring high output and long-term stability
🛠️ P45B Applications
🚁 eVTOL / Aerospace Power Systems
Suitable for eVTOL, drones, and high-power aerospace battery systems requiring high discharge capability and lightweight pack design.
🏎️ High-Performance EV / Racing Projects
Designed for high-performance EV platforms, racing power systems, and premium traction battery projects requiring strong output and energy density balance.
🛵 High-End Electric Motorcycles
Suitable for electric motorcycles, two-wheeled racing applications, and high-drain mobility systems requiring continuous power and fast charging.
📡 BBU Backup Power
Suitable for backup battery units, battery modules, and BBU systems requiring stable output and reliable operation.
🛠️ Industrial Power Tools
Ideal for industrial power tools, garden tools, and high-power equipment requiring stable continuous discharge capability.
📊 P45B Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Molicel® / E-One Moli Energy Corp. |
| Model | INR-21700-P45B |
| Series | Power Cell |
| Cell Format | 21700 |
| Form | Cylindrical |
| Typical Capacity | 4500mAh / 16.2Wh |
| Continuous Discharge Rating | 45A continuous |
| Nominal Voltage | 3.6V |
| Max Charge Current | 13.5A |
| Gravimetric Energy Density | 242Wh/kg |
| Volumetric Energy Density | 643Wh/L |
| Max DCIR | 13.8mΩ |
| Cycle Performance | 500+ cycles with high-rate 80% capacity retention |
| Approx. Weight | Approx. 70g |
| Datasheet | Molicel INR-21700-P45B Product Data Sheet |
















