Unleash Extreme Power for Your Demanding Applications
The YFH INR21700-50Q is a premium 21700 lithium-ion rechargeable cell designed for applications that demand both high capacity and extreme current output. With a nominal capacity of 5000mAh and an astonishing maximum continuous discharge of 90A (with 80°C temperature cut-off) or 50A without cut-off, this cell delivers the raw power you need for e-bikes, power tools, drones, robotics, and hybrid energy storage systems.
Key Specifications at a Glance
| Parameter | Value |
|---|---|
| Model | YFH INR21700-50Q |
| Nominal Capacity | 5000mAh (min. 4900mAh) |
| Nominal Voltage | 3.70V |
| Standard Charge | 5A, CC/CV to 4.2V, 100mA cut-off |
| Max. Charge Current | 15A |
| Max. Continuous Discharge | 50A (without temp. cut-off) / 90A (with 80°C cut-off) |
| Pulse Discharge (3s) | 140A |
| AC Internal Resistance | ≤4mΩ (without PTC) |
| Cell Weight | 68.0±2.0g |
| Dimensions | Φ21.20±0.20mm, height 70.50±0.2mm |
| Energy Density | 272 Wh/kg (weight), 744 Wh/L (volume) |
| Cycle Life (5A/50A) | ≥80% after 500 cycles |
| Operating Temp (Discharge) | -20°C to 80°C |
Why Choose the YFH INR21700-50Q?
1. Outstanding Power Delivery
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90A continuous discharge (with 80°C cut-off) and 140A pulse (3 seconds) make this cell perfect for high-torque e-motorcycles, competition drones, and heavy-duty power tools.
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Ultra-low ≤4mΩ AC-IR minimizes voltage sag and heat generation, ensuring efficient power transfer.
2. High Energy Density
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5000mAh capacity in a standard 21700 format delivers 272 Wh/kg – more runtime without extra weight.
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Ideal for long-range e-bikes, portable power stations, and medical devices.
3. Excellent Cycle Life
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Maintains ≥80% of initial capacity after 500 cycles (5A charge / 50A discharge).
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Robust chemistry ensures reliable performance over years of use.
4. Superior Safety & Reliability
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Passes stringent safety tests: overcharge, overdischarge, short circuit, thermal shock, impact, crush – no fire, no explosion.
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Built-in safety features and temperature cut-off protection.
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Manufactured by Jiangxi Yunfuheng New Energy Co., Ltd., a trusted ISO-compliant facility.
5. Wide Operating Temperature
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Discharge from -20°C to 80°C – works in extreme environments.
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Storage options: -20°C to 60°C (1 month) / -20°C to 25°C (1 year).
Applications
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Electric bikes & scooters (high-current acceleration)
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Power tools (cordless drills, chainsaws, grinders)
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Drone racing & UAVs (instant punch-out)
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Robotics & AGVs (reliable high-power source)
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Portable power stations (balance of capacity and discharge)
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Hybrid energy storage systems (peak shaving)
Technical Highlights from the Datasheet
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Low IR verified: Each cell tested with 1kHz AC impedance meter – guaranteed ≤4mΩ.
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High-rate discharge capability: 50A discharge capacity ≥93% of 2.5A capacity.
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Low-temperature performance: 60% capacity retention at -20°C (0.2C discharge).
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Self-discharge: 28-day storage at 20±5°C retains high capacity.
Packaging & Logistics
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Standard pack: 100 cells per inner box, 2 boxes per outer carton (200 cells total).
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Shipping condition: Semi-charged (3.50V – 3.60V), compliant with UN38.3 for air/sea transport.
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Warranty: 1 year from shipment against manufacturing defects.
Order YFH INR21700-50Q Today
Upgrade your power system with the YFH 21700 5000mAh high-discharge battery. Whether you need samples for testing or bulk orders for mass production, we offer competitive pricing and fast global delivery.
📧 Email: info@becellbattery.com
📞 Phone: +86-15360987918
Request a quote or datasheet now – and experience the YFH difference.
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