Samsung INR21700 58E solves critical power challenges:
⚡ 3C Pulse Discharge (16,500mA) – Powers heavy-load tools without voltage drop
🔋 5,500mAh Real Capacity – 20Wh energy output at 0.2C discharge (tested per IEC)
❄️ -20°C to 60°C Operation – Reliable performance in extreme environments
♻️ 2,000+ Life Cycles – Maintains 75% capacity after 500 cycles @1C discharge
⚙️ Compact Design – ≤21.78mm diameter × 71.0mm height for space-limited builds
Certified Specifications
| Parameter | Value | Industrial Impact |
|---|---|---|
| Max Continuous Discharge | 2C (11,000mA) | Sustained heavy-load operation |
| Cycle Standard | GB/T 18287-2013 | Validated 75% retention after 500 cycles |
| Fast Charging | 0.5C (2,750mA) | Cycle-optimized charging protocol |
| Self-Discharge | <3%/month | Low storage energy loss |
| Terminal Voltage | 4.2V | Efficient energy utilization |
Performance Validation
• 500-cycle test: 4,136mAh retained capacity (75% @25°C)
• -20°C@0.2C discharge maintains full functionality
• 60℃ storage stability: 85% capacity recovery after 20 days
Industrial Applications
- Power Tools: Drills/saws with high-torque demands
- E-Mobility: E-bike batteries & light EV packs
- Backup Systems: UPS emergency power sources
Technical Support Offer
✅ MOQ: 100pcs, 15% discount for 1,000+ units
✅ Free BMS configuration guidance
✅Contact immediately to obtain the latest quotation for Samsung INR21700 58E
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