NAIONICS
Sodium (Na-ion) Cells 3.10V 21Ah, max 2C discharge, 40160 NAIONICS genuine sodium-ion
Sodium (Na-ion) Cells 3.10V 21Ah, max 2C discharge, 40160 NAIONICS genuine sodium-ion
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- Reduced 10% VAT on solar and storage for customers in Italy: write to us before ordering.
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- Italy: €13 on orders up to €150, free shipping over €150.
- European Union: 60 € per order, with no threshold
Rates apply to the cart total and are confirmed at checkout, where shipping to countries outside the EU is also calculated.
Sodium-Ion (Na-ion) Cell 3.10V 21Ah — 40160
NAIONICS | 40160 | Genuine sodium-ion
Key Features
⚡ Ultra-fast charging |
❄️ Discharge down to -40°C |
🔄 Over 2000 life cycles |
🛡️ High safety performance |
💰 Cost savings |
🔧 Customizable |
Technical Specifications
| Model | 40160-21Ah |
| Chemistry | Sodium-ion (Na-ion) |
| Format | 40160 |
| Shape | Cylindrical |
| Nominal voltage | 3.10V |
| Standard capacity | 21Ah |
| Dimensions (H×D) | 160.5×40.5mm |
| Internal resistance | ≤1.8mΩ |
| Weight | Appx. 440g |
| Cycle life | ≥2000 cicli |
| Standard charge current | 0.5C |
| Standard discharge current | 0.5C |
| Max continuous discharge current | 2C |
| Pulse discharge current | 10C |
| Discharge cut-off voltage | 1.50±0.05V |
| Charge limit voltage | 3.95±0.05V |
| Cathode material | LiMO2 (layered oxide) |
| Charging method | CC/CV |
| Capacity retention at -20°C | ≥90% |
| Capacity retention at -40°C | ≥70% |
| Charge temperature | 0~55°C |
| Discharge temperature | -40~65°C |
| Storage temperature | <1 year: -10~25°C; <3 months: -10~40°C |
| SKU code | CELLE-NAIONICS-40160-21AH |
ℹ️ Price on request: the price shown is indicative and depends on quantity and logistics conditions. Cells are stocked in China: delivery times and costs vary depending on order volume. Contact us for a final quote.