Grade A 55Ah Sodium-ion Battery Cell
Grade A 55Ah Sodium-ion Battery Cell
Product Description
The Grade A 55Ah Sodium-ion Battery Cell is a high-performance 55Ah sodium-ion battery cell designed for reliable and long-lasting energy storage applications. Featuring a square aluminum shell structure and high-precision explosion-proof protection, this cell delivers excellent safety, stable discharge performance, ultra-low internal resistance, and a long cycle life. It is widely used in residential energy storage, as well as industrial and commercial energy storage systems, providing safe, efficient, and stable power support for various energy storage projects.
Key Advantages
Enhanced Safety & Robust Structural Design
Built with a high-strength square aluminum casing and precision-engineered explosion-proof valve, the battery delivers superior mechanical protection, improved thermal safety, and reliable operation throughout its service life.
Premium Grade A Cell Quality
Equipped with brand-new Grade A EVE NF55D lithium cells, each cell undergoes strict voltage and capacity matching to ensure excellent consistency, stable pack performance, and long-term reliability.
High Power Output & Efficient Performance
Featuring low internal resistance and strong discharge capability, the battery provides fast and stable energy output with improved efficiency, making it suitable for demanding energy storage applications.
Long Service Life & Reliable Energy Supply
Designed for over 10 years of operation with more than 6,000 charge-discharge cycles, it offers outstanding durability and helps reduce replacement costs for long-term energy storage projects.
Flexible Solutions for Multiple Applications
Compatible with residential energy storage, commercial and industrial ESS, solar storage systems, and backup power solutions, providing reliable energy support across various scenarios.
Eco-Friendly Chemistry & Global Certifications
Using safe and sustainable LiFePO₄ (LFP) technology, the battery meets international quality and safety requirements with certifications including ISO 9001, ISO 14001, CE, CB, UN38.3, MSDS, and RoHS.
Technical Specifications
| Parameter | Specification |
|---|---|
| Typical capacity | 55 Ah |
| Typical Energy | 156Wh |
| Operating voltage | 1.5V~3.4V 1.2~3.4V |
| nominal voltage | 2.84V@0.5C |
| Impedance (1KHz) | <0.8mΩ |
| Shipping capacity | 22.0±1Ah |
| Residual capacity loss | Per month ≤5.0% |
| Operating temperature (charging) | -20~60°C |
| Operating temperature (discharge) | -40~60°C |
| Cell Weight | 1600±100g |
| Storage Temp. | -40~60°C |
| Typical dimension（T*W*H） | Thickness: 50±0.5mm Width: 160±1mm Height: 118.6±1mm |
| Altitude | <6000m |
| Cycle performance | ≥4000 cycles, 80%SOH |
| Standard charge Current | 27.5A |
| Standard charge voltage | Cell max voltage 3.4V |
| Standard charge method | 25±2°C, 0.5C constant current charge to 3.4V, and constant voltage to 0.05C cut-off |
| Standard charge temperature | 25±2 °C |
| Absolute charging temperature（Cell Temperature） | -20~60°C |
| Absolute charging voltage | Max 3.4V |
| Standard discharge Current | 27.5A |
| Standard discharge power | 25±2°C, 0.5C constant current discharge to 1.5V |
| Maximum discharge Current (continuous) | 55A |
| Discharge cut-off voltage | 1.5V 1.2V |
| Standard discharge temperature | 25±2 °C |
| Absolute discharge temperature | -40~60°C |
Application Scenarios & Target Markets
Grade A NF55D 55Ah Sodium-ion Cell for Global Energy Storage & Power Solutions
Commercial & Industrial Energy Storage
- Core cell for C&I energy storage battery packs and systems
- Supports peak shaving, load shifting and backup power applications
Utility-Scale Grid Energy Storage
- Integrated into large-scale grid battery energy storage systems
- Used for frequency regulation, grid stabilization and renewables integration
Solar PV + Energy Storage Systems
- Stores excess solar energy for night and non-generation periods
- Improves self-consumption rate and ensures stable power supply
Electric Vehicle Battery Packs
- Ideal for assembling high-performance EV and low-speed vehicle batteries
- High capacity, long cycle life and excellent safety performance
Telecom & Backup Power Systems
- Applied in telecom base stations and critical backup power supplies
- Longer lifespan and higher reliability than traditional lead-acid batteries
Off-Grid & Hybrid Microgrids
- Used in off-grid and hybrid microgrid energy systems
- Provides stable power in remote areas and weak-grid regions
Factory Strength
Advanced production equipment, standardized workshop, strict quality control system
Certifications
Complete international certifications, product quality meets global standards
International Certification
Quality Certificate
Safety Standard
CE Certification
ISO Certified
RoHS Directive
Our Partners
Trusted by global brands, long-term strategic cooperation
Our Service Policy
Fast response, professional support, and worry-free cooperation
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Factory Address 1: Room 701, Building 2, Kegu Industrial Park, Zone B, Jian'an Road, No. 790, Chang'an Town, Dongguan City, Guangdong Province, China
Factory Address 2: Building 7, Phase II Standardized Factory, Innovation Industrial Park, Duji Economic Development Zone, Huaibei City, Anhui Province, China