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Sodium Battery Manufacturer
Good Safety Performance
The 18650 cylindrical cell has passed multiple tests and is not prone to catching fire or exploding easily. You can use it with confidence.
Light Overall Weight
Compared to lead-acid batteries, the energy density of 18650 sodium batteries is still very high, which also makes their volume and weight comparatively small.
Long Service Life
It can complete 2000 charge-discharge cycles and is continuously being optimized and improved. This not only helps you avoid frequent battery replacements but also reduces costs.
High Energy Conversion Rate
The 18650 sodium battery has a high charging and discharging efficiency, and can provide more energy in a short amount of time.
Good Low-Temperature Performance
Its operating temperature ranges from -40°C to 60°C, which is a very wide range. This makes the 18650 very suitable for working under extreme weather conditions.
18650 cylindrical sodium cells are very suitable for use in low-speed electric vehicles, because one of their characteristics is that they have good high-power performance. In addition, their high safety performance, wide operating temperature range, and the ability to charge and discharge quickly also make them highly regarded in the energy storage field.
| Parameter | Specification |
| Model | 18650 |
| Type | Cylindrical Na-ion Cell |
| Typical capacity | 1200mAh |
| Nominal voltage | 3.0V |
| Typical Energy | 3.6Wh |
| Operating voltage | 1.5~4.0V |
| Impedance (1KHz) | ≤25±0.3mΩ |
| Shipping SOC | ~50% |
| Residual capacity loss | Per month ≤3.0% |
| Charging temperature | 0~35℃ |
| Discharging temperature | -40~60℃ |
| Cell Weight | 40±2g |
| Storage Temp. | -30~30℃ |
| Typical dimension （W*H*T） | Outside Diameters：18.0±0.2mm |
| Height：65±0.5mm | |
| Rest SOC | ≥8% |
| Altitude | ＜5000m |
| Cycle performance | ≥2000 Cycles |
| Standard charge Power | 0.5P |
| Standard charge voltage | Cell max voltage 4.0V |
| Standard charge temperature | 25±2℃ |
| Standard discharge power | 0.5P |
| Discharge cut-off voltage | 1.5V |
| Standard discharge temperature | 25±2℃ |
1. Is Delong Energy a lithium battery factory?
Delong Energy is a battery factory with 11 years of experience, which integrates research, development, production, and sales.
2. How about the quality of lithium battery products from Delong Energy?
Delong Energy has a strong R&D team and a set of international certifications, including MSDS, UN38.3, FCC, IEC62133, CE, UL, KC, BIS, CB, ROHS, and ISO9001:2015 certified.
3. Can you do An OEM/ODM project?
We have engineers who can help you design and R&D any related products.
4. Can you customize the battery pack for more function?
Yes, we have a professional engineering team to provide an excellent solution for you.
5. Do you have MOQ?
No limited.
6. Can I have samples to test? And what is the lead time for a sample order?
Yes, we can supply samples. The lead time for samples is 3-5 days. The buyer pays for the sample cost and shipping cost.
7. What is your term of payment?
We adopt T/T, Paypal, Alibaba payment way, Credit Card, Visa, Echecking, Master Card, Trade Assurance, etc.
8. Do you provide after-sales service?
Yes, the battery warranty is 10 years. If there are any quality problems on our side in this period, we can send a new one as a replacement.
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