Automotive & Starting Batteries
Vessel Starting Sodium-ion Battery
Custom-designed for marine environments, KEXINGYU’s vessel starting sodium-ion battery series delivers instant start-up and fast response in seconds, even at temperatures as low as -40°C. Built on self-developed sodium-ion cells with an integrated smart BMS, it powers vessel engines, diesel generators, and other power generation units with dependable starting current and a long service life. The 160Ah model also supports PV battery storage aboard vessels, helping cover food, lodging, and daily power needs during long voyages.





Key Features
Built for the marine environment: instant cold-weather starts, dependable current under load, and long service life with peace of mind.
Instant Start in Seconds
Fast response start-up in seconds, even at temperatures as low as -40°C, for reliable engine and generator starts.
Custom-Designed for Marine Use
Engineered specifically for vessel starting and onboard power generation, not adapted from automotive designs.
Self-Developed, Safety-Tested Cells
Sodium-ion cells developed in-house and validated against nail penetration, compression, and short-circuit testing.
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 and replacement during long voyages.
Five-Year Warranty
Five years of warranty coverage with hassle-free after-sales support for marine operators.
OEM & ODM Capabilities
KEXINGYU works with boat builders, marine equipment distributors, and generator manufacturers to configure starting batteries for specific vessel platforms.
Custom Capacity Tiers
Capacity configurable from 1200Wh to 1920Wh and beyond to match vessel engine or generator starting needs.
Marine-Grade Sealing Options
Enhanced case sealing and corrosion-resistant hardware available for exposed or below-deck installations.
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 marine equipment import.
Flexible MOQ & Logistics
Scalable order volumes with global shipping support for boat builders and marine distributors.
Technical Specifications
Four configurations covering 12V and 24V vessel starting and onboard power generation applications.
| Cell Chemistry | Sodium-ion, self-developed |
|---|---|
| Standard Voltage | 12V / 24V (model dependent) |
| 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 |
| Model | Capacity | Max Current |
|---|---|---|
| KXY-NaQH-12V100Ah | 1200Wh | 2000A |
| KXY-NaQH-12V150Ah | 1800Wh | 2000A |
| KXY-NaQH-12V160Ah | 1920Wh | 2000A |
| KXY-NaQH-24V50Ah | 1200Wh | 1000A |
| Model | Standard Voltage (V) | Max Starting Current (A) | Capacity (Wh) | Cycle Life | Dimension L×W×H (mm) | Weight (kg) | Application Scenarios |
|---|---|---|---|---|---|---|---|
| KXY-NaQH-12V100Ah | 12 | 2000 | 1200 | 3000+ | 502x187x242 | 13.96 | Starting vessels, diesel generators, and other power generation units |
| KXY-NaQH-12V150Ah | 12 | 2000 | 1800 | 3000+ | 523x269x218 | 20.44 | Starting vessels, diesel generators, and other power generation units |
| KXY-NaQH-12V160Ah | 12 | 2000 | 1920 | 3000+ | 523x269x218 | 19.8 | Onboard PV battery storage supporting food, lodging, and daily power needs during voyages |
| KXY-NaQH-24V50Ah | 24 | 1000 | 1200 | 3000+ | 502x187x242 | 13.96 | Starting vessels, diesel generators, and other power generation units |
Construction & Configuration
Built for the marine environment, with self-developed sodium-ion cells, an integrated smart BMS, and hardware engineered for onboard installation.
Self-Developed Sodium-ion Cells
High-safety cells tuned for high-current starting output and stable performance in marine conditions.
Integrated Smart BMS
Real-time monitoring and protection with remote visibility through a companion smartphone app.
Marine-Grade Sealed Case
Reinforced housing designed to resist moisture, vibration, and the demands of onboard installation.
Corrosion-Resistant Terminals
Terminal hardware built to withstand the salt-air and humid conditions typical of marine environments.
Low-Voltage Protection
Reserved starting power is protected automatically, preventing unexpected drain before a voyage.
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."
Marine & Generator Ready
Sized and rated for vessel engine starting, diesel generator starting, and other power generation units.
Certified for Global Shipping
Full hazard classification, DGM air freight and sea freight documentation, MSDS, and UN38.3 test summary available on request.
Reliable Starts, On Every Voyage
Tell us your vessel or generator platform and starting current requirements, and our engineers will recommend the right model. OEM/ODM programs available.