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Cylindrical Cell
70US Cylindrical Sodium-ion Cell
<p>Ultra-Stable Cylindrical Sodium-ion Cell | Large Capacity for Stationary Storage</p>
Capacity
70Ah
Voltage
3.0V
Cycle Life
6000+
Temp Range
-40°C ~ 55°C
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Key Features
Large Capacity
High performance in large capacity for reliable operation.
Ultra-Long Cycle Life
High performance in ultra-long cycle life for reliable operation.
Excellent Stability
High performance in excellent stability for reliable operation.
Low Self-Discharge
High performance in low self-discharge for reliable operation.
Technical Specifications
| Rated Capacity | 70Ah |
| Nominal Voltage | 3.0V |
| Charge Cut-off Voltage | 3.45V |
| Discharge Cut-off Voltage | 1.5V |
| Standard Charge Current | 21A (0.3C) |
| Max Charge Current | 70A (1C) |
| Max Continuous Discharge Current | 70A (1C) |
| Peak Discharge (30s) | 105A (1.5C, 30s) |
| Cycle Life | 6000 cycles @ 1C/1C, 80% DOD |
| Diameter | 32mm |
| Height | 150mm |
| Weight | 175g |
| Charge Temperature | 0°C ~ 45°C |
| Discharge Temperature | -40°C ~ 55°C |
| Storage Temperature | -20°C ~ 45°C |
| Certifications | CE, UL 1973, IEC 62619, ISO 9001, UN38.3, MSDS |
Product Structure
[Product Structure Diagram
Detailed view with callouts]
Detailed view with callouts]
Positive Terminal / Cap
Safety vent design with CID
Safety Vent
Pressure relief for thermal safety
Insulator / Gasket
High-temperature resistant seal
Electrode Assembly
Precision wound jelly roll design
Separator
High-porosity wide-temperature separator
Can / Case
High-strength nickel-plated steel
