12V 50Ah Sodium Na+ Starting Battey
12V 50Ah Sodium Na+ Starting Battey

12V 50Ah Sodium Na+ Battey for Backup Power

Nominal Voltage: 12V


Nominal Capacity: 50Ah(600Wh)


High-capacity design:

Single battery capacity of 50Ah, suitable for high-power equipment startup and long-term energy storage needs, such as ships, RVs, solar energy storage, etc.


Wide temperature range adaptability:

Operating temperature range of -40°C to 85°C, stable operation even in extreme environments, especially suitable for extremely cold or hot regions.


Ultra-long cycle life:

Up to 6,000 cycles, far exceeding lead-acid batteries.


Environmentally friendly materials:

Utilizes sodium-ion technology, free from lead and cadmium pollution.


Product Description

  • Excellent low-temperature performance

    Discharge capacity retention rate exceeds 90% at -20°C, suitable for cold regions.

  • Lightweight

    70% lighter than lead-acid batteries, easy to install and move.

  • High-rate discharge

    Supports high-current discharge, suitable for high-power starting (e.g., ship engines)

  • Wide range of applications

    Covers multiple fields such as ships, energy storage, electric vehicles, and UPS power supplies, with broad market adaptability

12V 50Ah 20C Sodium (Na) Battery – High-Power Starting Solution for Demanding Applications


The 12V 50Ah 20C Sodium Na Battery is an advanced high-rate starting and power battery, engineered to deliver outstanding cranking performance, fast charging, and long cycle life. Built with next-generation sodium-ion technology, it provides a powerful, eco-friendly, and cost-efficient alternative to traditional lead-acid and lithium batteries. At US Technology, we specialize in custom sodium-ion starting batteries for vehicles, equipment, and energy storage applications worldwide. This sodium ion starting battery offers reliable ignition performance and superior durability, making it ideal for modern high-demand power systems.





The 12V 50Ah 20C Sodium (Na) Battery is a breakthrough in energy storage, combining the raw power of a 20C discharge rate with the safety and sustainability of sodium chemistry. Perfect for applications where reliability is non-negotiable—from automotive starting systems and marine vessels to off-grid machinery—this battery is engineered to thrive in harsh conditions.

Its sodium-ion technology addresses the flaws of traditional batteries: no lithium-related fire risks, superior cold-weather performance, and a lifespan that minimizes long-term costs. Whether you’re a professional relying on heavy equipment or a boat owner navigating unpredictable waters, this battery delivers consistent, worry-free power.


Key Specifications



SpecificationDetails
Nominal Voltage12V
Nominal Capacity50Ah (600Wh)
Discharge Rate20C (supports high-power bursts up to 1000A)
Operating Temperature-4°F to 140°F (-20°C to 60°C)
Cycle Life3,000+ cycles at 80% Depth of Discharge (DOD)
Weight40% lighter than equivalent lead-acid batteries
Safety FeaturesIntegrated BMS (Battery Management System) with overcharge/overdischarge protection
ChemistrySodium-ion (Na-ion) – non-flammable, no lithium dendrite risks
Designed for high-current discharge and instant power delivery, this sodium Na battery ensures strong starting ability even in cold weather.



Advantages of the 12V 50Ah 20C Sodium Na Battery

1️⃣ High Cranking Power (20C Discharge)

Supports instant starting capability for vehicles and machinery — ideal for automotive, marine, and industrial applications requiring high current bursts.

2️⃣ Long Cycle Life

Up to 6,000+ charge/discharge cycles, providing far longer service life than traditional lead-acid or lithium starter batteries.

3️⃣ Fast Charging Efficiency

Recharges up to 90% in just 1–3 hours, enabling quick turnaround for fleet operations or industrial use.

4️⃣ Safe and Stable Chemistry

Non-flammable electrolyte and stable sodium materials ensure thermal stability and operational safety.

5️⃣ Excellent Low-Temperature Performance

Reliable starting power even at -20°C, outperforming lead-acid and lithium batteries in cold environments.

6️⃣ Eco-Friendly and Sustainable

Sodium is abundant, non-toxic, and 100% recyclable — supporting sustainable energy and low-carbon manufacturing.


Technology Advantages Over Other Batteries

CategorySodium Na Battery (12V 50Ah 20C)Lead-acid Battery
Energy Density100–160 Wh/kg30–50 Wh/kg
Cycle Life2,000–6,000+300–500
Temperature Range-20°C to +60°C0°C to +40°C
SafetyNon-flammableRisk of acid leakage
MaintenanceFreeRequires topping
Cost StabilityStable (abundant sodium)Rising (lead regulation)


Sodium Na batteries offer a perfect balance between performance, safety, and sustainability, making them ideal for long-term industrial and automotive use.


Application Scenarios


  • Automotive: Ideal for cars, trucks, and off-road vehicles needing quick, reliable starts in extreme temperatures.

  • Marine: Powers small boats, yachts, and fishing vessels—resistant to saltwater corrosion and cold snaps.

  • Industrial: Supports generators, pumps, and power tools requiring high bursts of energy.

  • Off-Grid: Reliable backup for cabins, RVs, and remote equipment.


Why Choose Our 12V 50Ah 20C Sodium Battery?


  • Power You Can Trust: 20C discharge rate ensures instant, high-power performance when you need it most.

  • Safety Redefined: Sodium chemistry eliminates lithium risks; BMS adds layers of protection.

  • Weather-Proof: Works seamlessly in extreme heat and cold—no loss of power.

  • Eco-Friendly: Sodium is abundant and non-toxic, making this battery a sustainable choice.

  • Cost-Saving: Long lifespan and low maintenance reduce total ownership costs.


Customer Testimonials

“I’ve used this 12V 50Ah sodium battery in my fishing boat for 6 months, and it’s outperformed every lead-acid battery I’ve tried. Starts instantly even in freezing mornings, and the Bluetooth app keeps me updated on its status. Worth every penny!” – Mark T., Marine Enthusiast

“As a contractor, I need tools that don’t quit. This 20C sodium battery powers my generator flawlessly, even in 100°F heat. Lightweight and durable—highly recommend.” – Lisa R., Industrial Contractor


Get Your Custom 12V 50Ah 20C Sodium Na Battery Today

Looking for a powerful, safe, and sustainable starting battery?
Our engineers can design and manufacture a custom sodium Na battery to meet your exact voltage, current, and environmental needs.



Dedicated to providing the optimum materials and solutions regarding to different projects

Each battery can be customized in terms of voltage, capacity, dimensions, and enclosure design, ensuring optimal performance and compatibility for each specific use case.