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| Customization: | Available |
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| After-sales Service: | 2 Years |
| Warranty: | 2 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Koyosonic Maintenance Free Automotive Batteries are specially engineered to deliver dependable starting performance, long service life, and stable power output under various driving and climate conditions. Designed with advanced Japanese technology and manufactured under strict quality control standards, our SMF (Sealed Maintenance Free) automotive batteries are widely used in passenger cars, SUVs, commercial vehicles, pickup trucks, taxis, and light-duty trucks across global markets.
With excellent cold cranking performance, strong vibration resistance, and low self-discharge characteristics, Koyosonic automotive batteries provide reliable engine starting even in demanding environments such as high temperatures, humid tropical climates, and frequent stop-and-go urban driving conditions.
| Model | NX120-7-MF |
| Vol. & Cap. | 12V 75AH |
| Dimension | L310*W172*H202/225mm |
| Storage | In dry place |
| Performance | Good |
Our batteries are especially popular in markets requiring:
Our SMF automotive batteries are fully sealed and maintenance-free under normal operating conditions. Users do not need to refill electrolyte during the battery's service life, making operation more convenient and safer.
Designed with advanced high-density grid technology and optimized plate formulation, the batteries provide strong Cold Cranking Amps (CCA) for fast and reliable engine ignition, especially during cold weather starts.
The computer-designed plate structure improves internal conductivity and enhances current flow efficiency. The special Pb-Ca-Sn alloy composition helps reduce water loss and self-discharge while extending battery lifespan.
Premium PE envelope separators effectively prevent internal short circuits while lowering internal resistance. This improves charging acceptance and overall battery efficiency.
The robust polypropylene container and reinforced internal structure ensure excellent resistance against vibration and mechanical shock, making the batteries suitable for rough road conditions and commercial transportation applications.
Optimized corrosion-resistant alloy materials and efficient venting systems help minimize grid corrosion and electrolyte evaporation, resulting in stable long-term performance and extended service life.
Specially designed formulations allow the batteries to perform reliably in hot and humid climates such as the Middle East, Africa, South America, and Southeast Asia.
Manufactured in compliance with international environmental management standards, our batteries meet global quality and environmental requirements.
Koyosonic Maintenance Free Automotive Batteries are suitable for:
With more than 25 years of manufacturing experience and exports to over 130 countries, Koyosonic understands the different requirements of worldwide automotive markets. We can customize battery specifications based on:
Our batteries are especially popular in markets requiring:
Koyosonic automotive batteries are manufactured under strict quality management systems and comply with international standards including:
Each battery undergoes multiple testing procedures before shipment to ensure stable quality and reliable performance.
Koyosonic Maintenance Free Automotive Batteries combine advanced technology, reliable performance, and durable construction to provide dependable power for modern vehicles worldwide.
Whether for passenger vehicles, commercial fleets, or distribution markets, Koyosonic is committed to delivering long-lasting automotive battery solutions you can trust.
Welcome you contact us for more details.
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