35C high discharge rate 900mAh 18650 na-ion battery cell from China
Main Feature of CSiT 18650 900mAh na-ion batteries
● Ultra-wide temperature range. Discharge from -40°C to 70°C, charge from -10°C to 70°C. Excellent low-temperature performance, maintains over 80% capacity at -40°C 1C discharge, suitable for harsh cold and high-temperature environments.
● High rate capability. Max continuous charging current up to 5C, peak instantaneous discharge reaches 70C (≤5s). Supports high-power output and fast charging.
● Superior safety performance. Passed nail penetration, crush, drop, vibration, thermal shock and other strict safety tests. No leakage, fire or explosion under abnormal conditions.
● Long service life & low self-discharge. Cycle life ≥2000 times. Great capacity retention after long-term storage, stable performance for long-time use.
● Standard size & easy assembly. Standard 18650 dimension (Φ18.3×65.3mm), compatible with most existing 18650 holders and modules for direct replacement.
● Convenient transportation & storage. Shipped at 30% SOC, simple storage requirements and low maintenance cost.
Technical Data sheet
| Cell Model | 18650-900mAh |
| Nominal Voltage | 2.85V |
| Cathode Material Type | NFPP |
| Nominal Capacity | 900mAh |
| Energy Density | ≥100Wh/kg |
| Volumetric Energy Density | ≥240Wh/L |
| Dimension | H*D=65.3*18.3mm |
| Inner Resistance | ≤20mΩ |
| Weight | Appx. 35g |
| Cyle Life | ≥2000 times |
| Standard Charge Current | 0.5C |
| Standard Discharge Current | 0.5C |
| Max Con. Discharge Current | 35C |
| Shape | Cylindrical |
| Charge Voltage | 3.65±0.05V |
| Dischage Cut-off Voltage | 1.50±0.05V |
| Working Voltage Range | 1.5~3.7V |
| Charge Method | CC/CV |
| -20℃ Capacity retention | ≥90% |
| -40℃ Capacity retention | ≥70% |
| Charge Temperature | -10~70°C |
| Discharge Temperature | -40~70°C |
| Storage Temperature | Less than 1 year:-10~25°C; Less than 3 months:-10~40°C |
Product details
CSiT 18650 sodium battery includes the cathode , anode, separator, electrolyte, and current collector:
● Cathode material:NFPP polyanion
● Anode material: The anode materials mainly include carbon-based, titanium-based, organic, and alloy-based materials, etc.
● Separator:The main materials of the separator include polyethylene (PE) and polypropylene (PP) membranes.
● Electrolyte: the main electrolyte we use is NaClO4、NaPF6
Application
CSiT sodium ion batteries 18650 can be mainly used for:
Low speed vehicle;
Energy storage system;
Consumer electronics;
Power tools;
Medical devices.
Etc...
