Automotive & Starting Batteries
Special Starting Sodium-ion Battery
Purpose-built for demanding starting applications beyond road and marine vehicles, KEXINGYU’s special starting sodium-ion battery series covers freight train starting and generator starting with self-developed sodium-ion cells. Reliable start-up in seconds is maintained across a wide temperature range, down to -40°C, with a long service life and consistent safety performance. Two configurations are available: a high-capacity train starting battery and a compact generator starting battery.
Key Features
Built for rail and generator starting duty: wide temperature reliability, instant response, and a long service life with minimal maintenance.
Wide Temperature Range
Reliable start-up performance is maintained across a wide operating temperature range for demanding duty.
Instant Start in Seconds
Fast response start-up in seconds, even at temperatures as low as -40°C.
Self-Developed Cells
Built on sodium-ion cells engineered in-house for consistent quality and high starting current output.
Smart BMS, Phone Control
Monitor charge status and battery health remotely through a smartphone app.
Long Service Life
Rated for 3,000+ charge/discharge cycles, reducing maintenance across long duty cycles.
Five-Year Warranty
Five years of warranty coverage with hassle-free after-sales support.
OEM & ODM Capabilities
KEXINGYU works with rail equipment manufacturers, generator producers, and industrial distributors to configure special starting batteries for specific applications.
Custom Capacity Configurations
Capacity and starting current can be tuned to match specific rail or generator starting requirements.
Mounting & Enclosure Options
Case dimensions and mounting hardware adaptable to locomotive compartments or generator housings.
Branded App & BMS Interface
White-label the companion monitoring app and BMS communication protocol under your brand.
Branded Labeling & Packaging
Private-label casing, packaging, and documentation produced under your brand identity.
Certification Support
Assistance with UN38.3, MSDS, and regional compliance documentation for industrial procurement.
Flexible MOQ & Logistics
Scalable order volumes with global shipping support for rail and generator equipment manufacturers.
Technical Specifications
Two configurations: a high-capacity train starting battery and a compact generator starting battery.
| Cell Chemistry | Sodium-ion, self-developed |
|---|---|
| Standard Voltage | 12V |
| Cycle Life | ≥3,000 cycles |
| Start Response | Instant start in seconds |
| Cold-Weather Start | Down to -40°C |
| Warranty | 5 years |
| Monitoring | Smart BMS with phone app control |
| Compliance | GB/T 44265-2024, UN38.3 |
| Application | Capacity | Max Current |
|---|---|---|
| Freight Train Starting | 2400Wh | 2100A |
| Generator Starting | 600Wh | 600A |
| Standard Voltage | 12V across both models | |
| Cycle Life | 3,000+ across both models | |
| Model | Application | Standard Voltage (V) | Max Starting Current (A) | Capacity (Wh) | Cycle Life | Dimension L×W×H (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| KXY-NaQH-12V200Ah | Train starting sodium-ion battery — for starting freight trains | 12 | 2100 | 2400 | 3000+ | 523x200x265 | 40.12 |
| KXY-NaQH-12V50Ah | Sodium-ion starting battery — for generator starting | 12 | 600 | 600 | 3000+ | 229x138x208 | 7.85 |
Construction & Configuration
Built around self-developed sodium-ion cells with an integrated smart BMS, sized for either high-current rail starting or compact generator starting.
Self-Developed Sodium-ion Cells
In-house cell design tuned for high-current starting output across both train and generator applications.
Integrated Smart BMS
Real-time monitoring and protection with remote visibility through a companion smartphone app.
Heavy-Duty Reinforced Case
The train starting model uses a reinforced housing sized for high-capacity, high-vibration rail environments.
Compact Generator Housing
The generator starting model uses a compact case suited to tight installation spaces in generator units.
Low-Voltage Protection
Reserved starting power is protected automatically, preventing unexpected drain before use.
Cold-Weather Thermal Design
Stable discharge performance down to -40°C, ready for instant start-up in seconds.
Standards & Test Documentation
Compliant with national and industry standards for sodium-ion power storage, with full documentation for global shipping.
National Sodium-ion Battery Standard
Complies with the national standard GB/T 44265-2024, "Technical Specifications for Sodium-ion Batteries in Power Storage Stations."
Rail & Generator Ready
Sized and rated for freight train starting and generator starting applications across industrial and rail settings.
Certified for Global Shipping
Full hazard classification, DGM air freight and sea freight documentation, MSDS, and UN38.3 test summary available on request.
Reliable Starting Power for Rail and Generator Applications
Tell us your equipment platform and starting current requirements, and our engineers will recommend the right model. OEM/ODM programs available.