INR21700/50Q 21700 5000mAh 10C High Drain Battery

The INR21700/50Q is a 5000mAh 10C lithium-ion cell built for high-drain applications. It delivers 3.6V nominal voltage, 50A continuous discharge, 125A short-time discharge, and 180A pulse discharge for 2 seconds.

With AC impedance below 5mΩ and DCIR below 20mΩ at 25°C, it maintains stable output under heavy loads. At 25°C, it retains about 90% capacity at 50A compared with 5A.

Cycle life is 300 cycles with ≥60% capacity under 5A charge and 50A discharge. Discharge range is -40°C to 80°C. Charge range is 0°C to 60°C.

Key Specifications

• Model: INR21700/50Q

• Nominal capacity: 5000mAh

• Nominal voltage: 3.6V

• Max continuous discharge: 50A (10C)

• Pulse discharge: 180A (2s)

• AC impedance: <5mΩ

• DCIR: <20mΩ at 25°C

• Weight: <72g

• Dimensions: 21.70±0.2mm x 70.80±0.3mm

Applications

Power tools, e-bikes, robotics, garden tools, energy storage, and high-drain battery packs.

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