Amprius 21700 50Q 5000mAh High Capacity + Extreme Discharge – Redefining 21700 Performance
Amprius INR21700 50Q 5000mAh 60A discharge li ion battery– Redefining 21700 Performance
Amprius Energy presents the INR21700-50Q 5000mAh, a tabless 21700 lithium-ion cell that delivers exceptional power density without sacrificing capacity. With 5000mAh typical capacity and an astonishing 50A continuous discharge current (10C) – plus 125A short-term discharge (with 75°C temperature cut-off) – this cell is built for demanding applications. The ultra-low ACIR below 5mΩ ensures minimal heat generation and high efficiency.
| Parameter | Value |
|---|---|
| Model | INR21700-50Q |
| Nominal Capacity | 5000mAh (0.2C discharge) |
| Minimum Capacity | 4950mAh |
| Nominal Voltage | 3.6V |
| Charge Cut-off Voltage | 4.20V |
| Discharge Cut-off Voltage | 2.50V |
| Standard Charge | 5A (1C) CCCV, 100mA cut-off |
| Standard Discharge | 5A (1C) constant current |
| Max Continuous Charge Current | 10A (2C) |
| Max Continuous Discharge Current (cycle use) | 60A (12C) |
| Max Continuous Discharge (short-term, 75°C cut-off) | 125A (25C) |
| Pulse Discharge Current (2 seconds) | 180A (36C) |
| AC Internal Resistance (ACIR) | <5mΩ (1kHz, 30% SOC) |
| DC Internal Resistance (DCIR, 25°C) | <20mΩ |
| Weight | 70.0±2.0g |
| Dimensions (D × H) | 21.70±0.2 mm × 70.80±0.3 mm |
| Operating Temperature (Charge) | 0℃ ~ 60℃ |
| Operating Temperature (Discharge) | -40℃ ~ 80℃ |
Performance Highlights (Test Report Verified)
| Test Item | Result |
|---|---|
| 0.2C Capacity | ≥4950mAh (typical 5049mAh) – OK |
| ACIR | <5mΩ – OK |
| DCIR @25℃ | <20mΩ – OK |
| Rate Discharge (10C) | 98.80% retention vs. 0.5C – OK |
| Cycle Life (+10A/-10A) | 500 cycles @ 89.13% retention – OK |
| Cycle Life (+5A/-50A) | 500 cycles @ 76.88% retention – OK |
| Low Temp Discharge (-20℃) | 84.57% retention – OK |
| High Temp Storage (60℃/30 days) | Retention ≥85%, Recovery ≥90% – OK |
| Safety Tests | Short circuit, crush, heating, drop, impact, overcharge, forced discharge – all OK |
Why Choose the Amprius INR21700-50Q?
✅ Tabless technology – ultra-low internal resistance (<5mΩ) for higher efficiency and cooler operation
✅ True 10C continuous discharge – 50A sustained output for power-hungry devices
✅ 125A short-term / 180A pulse – handles extreme peak loads with ease
✅ High energy density – 5000mAh in a standard 21700 format
✅ Wide temperature range – discharge from -40℃ to 80℃
✅ Proven cycle life – 500 cycles at 10A charge/10A discharge with >89% retention
✅ Comprehensive safety – passes all required safety tests (UN38.3, etc.)
Applications
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High-performance cordless power tools
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FPV drones and UAVs
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E-bikes and e-scooters
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Robotics and automation
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Portable power stations
-
DIY high-drain battery packs
Order Information
BECELL offers the Amprius INR21700-50Q with factory-direct pricing and ready stock. Contact us for samples, technical support, and bulk orders.
📧 Email: info@becellbattery.com
🌐 Website: https://becell0101.en.alibaba.com
*Amprius INR21700-50Q – The tabless 5000mAh cell that delivers 50A continuous power.*
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