Sodium Ion Battery Cell 3V 18650 1300mAh
Summary of Sodium Batteries 3V 18650 1300mAh
The Sodium Ion Battery Cell 3V 18650 1300mAh is a next-generation rechargeable energy solution designed to deliver high energy density, long cycle life, excellent safety, and strong adaptability in extreme environments. Compared with traditional lithium-ion and LiFePO4 batteries, sodium-ion technology provides a safer, more cost-effective, and environmentally friendly option, while still supporting high-rate charge/discharge and custom battery pack assembly.
Sodium-ion Batteries 18650 1300mAh Specification
Model: 18650 sodium battery
Rated Capacity: 1300mAh
Minimum Capacity: 1280mAh
Rated voltage: 3V
Energy: 3.9Wh
Energy Density: 130Wh/kg
Discharge Cut-off Voltage: 2V
Charge Cut-off Voltage: 3.9V
Cycle Life: More than 4000 cycles
Dimensions: Φ18*65mm
Weight: 30g
Internal Resistance: Less than 20mΩ
Standard Discharge Current: 0.2C (260mA)
Standard Charge Current: 0.2C (260mA)
Max Continuous Discharge Rate: 3C (3.9A)
Max Continuous Charge Current: 1C (1.3A)
Charging Temperature: -10 to 55℃;
Discharge Temperature: -30 to 60℃
Storage Temperature:
- -20℃~25℃: 12 months
- 25℃~45℃: 3 months
- 45℃~60 ℃: 1 month
Key Features
High Energy Density for Reliable Power
Sodium-ion chemistry achieves competitive energy density in the 18650 form factor. Despite using sodium instead of lithium, this cell offers stable 1300mAh capacity at 3V nominal voltage, making it suitable for various portable electronics, renewable energy storage, and backup systems.
Long Cycle Life – 4000+ Cycles with 80% Capacity Retention
One of the key advantages of sodium-ion cells is their outstanding cycle stability. Even after 4000 charge/discharge cycles, this battery retains over 80% of its original capacity, ensuring long service life and reduced replacement costs compared with conventional lithium-ion batteries.
High Rate Charge & Discharge
18650 sodium-ion cell supports high-rate charge and discharge, providing strong power output for power tools, e-mobility, and energy storage systems. Its high-rate performance ensures both fast charging and efficient energy delivery, making it versatile across multiple applications.
Stable Low-Temperature Performance
Unlike many lithium-ion batteries that suffer in cold environments, sodium-ion cells can discharge at temperatures as low as -30°C. This makes them ideal for use in outdoor energy storage, cold-region applications, and winter conditions where traditional lithium batteries may fail.
Enhanced Safety & Thermal Stability
Sodium-ion batteries have better thermal stability than conventional lithium-ion cells. Their chemistry reduces the risk of thermal runaway, fire, and explosion, offering a safer energy storage solution for both consumer and industrial applications.
OEM & Custom Battery Pack Options
We provide customizable sodium-ion battery pack solutions to meet diverse project requirements, including:
✅ Size, voltage, and capacity customization
✅ OEM services: labeling, heat shrink sleeve, and packaging
✅ Custom connectors and plugs
✅ Battery module assembly for ESS, EV, and industrial use
This flexibility ensures that the 18650 sodium-ion cell can be seamlessly integrated into various devices and energy systems.
Comparison Table: 18650 Li-ion vs LiFePO4 vs Sodium-ion
| Feature / Type | 18650 Li-ion Battery | LiFePO4 Battery | Sodium-ion Battery (3V 18650 1300mAh) |
|---|---|---|---|
| Typical Capacity Range | 1200–3500mAh | 1000–2000mAh | 1200–1500mAh |
| Nominal Voltage | 3.6–3.7V | 3.2V | 3.0V |
| Internal Resistance | 20–50 mΩ | 10–20 mΩ | 15–25 mΩ |
| Cycle Life (80% capacity) | 500+ cycles | 4000+ cycles | 2000–4000 cycles |
| Weight (per cell) | ~45g | ~40g | ~30g |
| Operating Temperature | -20°C to 60°C | -20°C to 60°C | -30°C to 60°C |
| Common Applications | Consumer electronics, EVs, power banks | Solar storage, EVs, UPS | Cold-region storage, ESS, backup power |
❓ FAQ – 18650 1300mAh 3C 3V Battery Cell
1. What are the main advantages of sodium-ion batteries compared with lithium-ion?
Sodium-ion batteries offer better thermal stability, safer chemistry, and excellent cycle life (4000+ cycles), while being more cost-effective.
2. Can sodium-ion 18650 cells be used in cold environments?
Yes. These cells support low-temperature discharge down to -30°C, making them ideal for outdoor storage and devices in cold regions.
3. How does the cycle life compare with Li-ion and LiFePO4?
Sodium-ion cells retain over 80% capacity after 4000 cycles, outperforming standard Li-ion and comparable to high-quality LiFePO4.
4. What applications are suitable for the 3V 18650 1300mAh sodium-ion cell?
It is ideal for energy storage systems (ESS), backup power, power tools, e-bikes, cold-weather devices, and custom industrial packs.
5. Do you provide custom battery packs based on sodium-ion cells?
Yes. We support OEM customization including voltage, capacity, connectors, labeling, shrink sleeves, and complete battery modules.
6. Who is manufacturer of sodium-ion batteries
Cestpower do manufacture sodium-ion batteries, we offer varieties of models 18650 1300mah~1500mah, 26700 3500mah, 32140 10Ah.
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