RE INR21700 RS50 High-Drain Cell – 70A Continuous Discharge
RE INR21700 RS50 5000mAh lithium-ion cell stands out in the market by delivering exceptional discharge capabilities that surpass those of its competitors,Designed specifically to meet the rigorous demands of high-power applications. This cell is engineered for performance, ensuring that it can handle the most challenging tasks with ease.
⚡ 70A Continuous Discharge – Powers heavy-load tools without voltage sag
🔥 80℃ Thermal Cutoff – Built-in safety for high-temp environments (Spec 3.10)
♻️ 500+ Cycles @30A – 80% capacity retention after industrial-grade testing (Spec 7.10)Competitive Edge vs. Top Cells

Competitive Edge vs. Top Cells
| Parameter | RE INR21700 RS50 | Samsung 50S | Molicel P50B |
| Capacity | 5000mAh | 5000mAh | 5000mAh |
| Continuous Current | 70A | 45A | 60A |
| Cycle Life (30A) | 500+ cycles | 300 cycles | 500 cycles |
| AC Impedance | ≤4.0mΩ | ≤14mΩ | ≤8mΩ |
Key Specifications (Per Reliance Spec A1-1)
- Ultra-Fast Charging: Capable of charging at 15A (3C) using CCCV to 4.2V (Sec 7.3).
- Subzero Performance: Maintains 85% of its capacity even at frigid temperatures of -40℃ (Sec 7.8).
- Safety Certified: Complies with UL1642/IEC62133 safety standards (Sec 9.0).
- Dimensions: Measures 21.35×70.30mm (Sec 4.0), making it compact yet powerful.
Ideal Applications
• Industrial Power Tools: Perfect for high-demand tools such as drills, saws, and grinders.
• E-Mobility: Ideal for high-torque e-bike motors that require reliable power.
• Robotics: Suitable for powering Automated Guided Vehicle (AGV) systems.
For those who are interested in leveraging the power of the RE INR21700 RS50
please contact us immediately to obtain the latest and most favorable quotations and detailed specification sheets.
Don’t miss the opportunity to enhance your power solution with this cutting-edge battery.











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