Automated cell grading
Automated OCV and resistance matching before assembly.
GLOBAL LEADER IN SODIUM-ION ENERGY
Engineered for the Extreme. Powered by Sodium.
−40 °C frost resilience. Zero-volt non-hazardous shipping. Redefining high-safety energy storage for living spaces and commercial industry.
Full Certs
CE · UN38.3 · MSDS · ISO9001
5Y Warranty
Professional B2B Team & Support
Fast Dispatch
Direct Port & Global Logistics
- 15 MWh+
- Monthly Cleanroom Output
- Automated PACK production lines in Huizhou operating precision laser welding and 100% cell grading.
- −40 °C
- Operational Discharge Rating
- Electrochemical kinetics delivering 85%+ capacity retention down to −40 °C without internal heating.
- 0.00 V
- Deep Discharge Safe Shipping
- Sodium chemistry enables non-hazardous 0V transit, eliminating thermal runaway risk worldwide.
- 30+ Brands
- Tier-1 Protocol Compatibility
- Native CAN/RS485 handshake for Deye, GoodWe, Solis, Victron and leading hybrid storage inverters.
Industrial Scale
Sub-Zero Benchmark
Transport Safety
Inverter Ecosystem
Products
Five product categories, built in our own workshop
Residential mobile storage, European balcony systems, vehicle packs, and authentic sodium-ion cells.
Energy Storage Batteries
Indoor Mobile & European Balcony · 51.2V 170Ah
Indoor living-space mobile storage battery (51.2V 170Ah) and European balcony packs engineered down to −40 °C.
Golf Cart Batteries
Reliable Sub-Zero Starting · 48V / 72V
Cold-resilient sodium-ion packs for resort fleets, utility transport, and winter sports facilities.
RV & Off-Grid Batteries
Deep-Winter Off-Grid · 12V / 24V / 48V
Extreme-cold house-bank packs for motorhomes and expedition campers, preventing arctic winter shutdowns.
Commercial Truck Batteries
Instant Cold Cranking · High-Rate Discharge
Heavy-duty commercial packs delivering high-rate discharge and dependable cold-cranking capability.
Sodium-ion Cells
170Ah Prismatic · 33140 & 18650 Cylindrical
Authentic tier-1 sodium-ion cells (170Ah prismatic, 33140 and 18650 cylindrical) supplied directly to PACK builders.
Original PACK Manufacturer · Global Clean Energy
Industrializing Sodium-Ion Chemistry for Global Clean Energy
JSTARY POWER is an original manufacturer (OEM & ODM) dedicated to the global commercial transition to sodium-ion energy storage. Operating automated cleanroom production in Huizhou, Guangdong, we eliminate winter freezing and thermal hazards of legacy chemistry.
Our in-house engineering team focuses on core electrochemical resilience: sub-zero kinetics delivering 85%+ retention down to −40 °C, safe 0V non-hazardous shipping, and smart BMS firmware calibrated to leading inverters.
±0.02 mm
Laser precision
100%
Automated cell grading
72 h
Battery aging test
0.00 V
Safe transit
JSTARY POWER intelligent manufacturing base
Huizhou, Guangdong, China
Manufacturing infrastructure
Production, testing and quality control
Four distinct views of our Huizhou production and engineering environment.
Robotic laser welding
Controlled welding with process monitoring.
Battery aging test
Multi-channel charge and discharge validation.
Environmental laboratory
Low-temperature and safety verification.
Our Core Advantages
Why Choose Sodium-ion Battery
The four properties that matter most to global energy storage buyers, verified by testing.
−40 °C
Discharge Retention 85%+
Extreme Low Temperature Resilience
Operates without heating elements down to −40 °C, completely solving lithium battery winter paralysis.
Zero Runaway
Electrochemical Stability
Inherent Chemical Safety
Higher thermal runaway resistance, passing rigorous nail penetration and overcharge tests without fire.
15 Min
80% Rapid SOC Charge
Ultra-Fast Charge Capability
Superior ionic conductivity enabling high-rate fast charging for commercial fleets and peak shaving.
0.00 V
Zero Damage Storage
0V Absolute Safe Transit
Can be completely discharged to 0V for safe shipping without copper dissolution, slashing freight tariffs.
Export Markets
Global Deployment & Partnerships
Supplying premium sodium-ion energy storage across Europe, Southeast Asia, and the Middle East.
Europe
Central & Northern EuropeBalkonkraftwerk suppliers and residential storage distributors.
Modular balcony and residential packs engineered for freezing winter performance across Germany, Austria, and Scandinavia.
Southeast Asia
Tropical & Island RegionsOff-grid solar storage for household and microgrid power supply.
Stable energy storage engineered for high-humidity and off-grid islands where conventional power grids are unstable.
Middle East
Desert & High Ambient TempCommercial & industrial solar energy storage system integrators.
High-durability storage containers resilient to extreme daytime heat and desert sandstorm ambient conditions.
Direct factory quotation and engineering review
Share your voltage, capacity, quantity and delivery port. Our engineers will respond with the right specification.