Subtitle: 40A Continuous Discharge, -40°C Operation, 600+ Cycles Validated by 26 Safety Tests
1. Core Performance Highlights
✅ 5,000mAh Capacity
✅ Ultra-Low Impedance:
- 7.50mΩ DCR (100% SOC, 25°C)
- 3.0mΩ ACR (30% SOC)
✅ Extreme Power Delivery :
“Continuous 40A discharge at 25°C with max. temperature <70°C – 15% higher current than Samsung 50S & Molicel P50B.”
✅ Arctic-Grade Operation :
| Condition | RS50 Performance | vs. Samsung 50S | vs. Molicel P50B |
|---|---|---|---|
| -20°C/100% SOC | 40A@>2.2V | Max 30A | Voltage sag |
| -40°C/100% SOC | 10A@>2.3V | Not supported | 5A only |
2. Cycle Life: Outlasts Competitors
600 Cycles @25°C Retention Comparison
| Test Condition | RS50 | Samsung 50S | Molicel P50B |
|---|---|---|---|
| 8A Charge / 10A Discharge | 93.2% | ~88% | ~89% |
| 8A Charge / 40A Discharge | 87.7% | 82%* | 84%* |
✅ Specialized Endurance Tests:
- -10°C Cycling: 100.4% energy retention @100 cycles
- Over-Discharge to 1.5V: 92.9% capacity @400 cycles
3. Safety: Industry’s Most Rigorous Validation
🔥 Overcharge Tests Passed:
- 2C/6V: Max temp <110°C
- 20A/20V: Max temp <116°C
🔌 Short-Circuit Survival:
- All resistances (5-100mΩ) at 25°C & 55°C
- 100% success rate in 10+ abuse tests (Drop/Tumbling/Impact)
4. Storage & Reliability
⏳ 60°C/50-Day Storage:
- ≥82.5% retained capacity
- ≥93.5% recovered capacity
Conclusion: The Ultimate 21700 Upgrade
RS50 delivers:
✓ 40A sustained power (vs. 35A in P50B/50S)
✓ True -40°C operability (unmatched by competitors)
✓ 600-cycle lifespan with <10% degradation
✓ 26 safety certifications for mission-critical applications
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✉️ info@becellbattery.com