Can this 12V sodium-ion battery replace a lead-acid starting battery?

It can be used as a replacement in compatible starting applications. Before replacement, check the CCA, battery dimensions, terminal layout, charging voltage, and operating temperature .

How does this sodium-ion battery perform in cold weather?

It retains more than 80% capacity at −20°C and supports discharge operation down to −30°C , making it suitable for cold-weather starting applications.

Can I use an existing 12V lead-acid charger?

Compatibility depends on the charger's output voltage and charging profile. Check that the charger is suitable for the battery's 15.6V recommended charging voltage before use.

How long does this 12V 100Ah sodium-ion battery last?

The battery supports ≥2,500 cycles at 1C, 100% DoD and ≥4,000 cycles at 0.2C, 100% DoD under specified test conditions.

Does this sodium-ion battery have a built-in BMS?

Yes. The integrated BMS provides protection against overcharge, overdischarge, overtemperature, and short circuits , while supporting cell balancing.

51.3V 170Ah Sodium ion Battery for Solar Energy Storage

Home » Products » Sodium-ion Battery » Sodium ion Battery » 51.3V 170Ah Sodium ion Battery for Solar Energy Storage

51.3V 170Ah Sodium ion Battery for Solar Energy Storage

-40°C Low-Temperature Discharge Performance
200A Max. Discharge Current for High-Power Loads
8,000-Cycle Long Service Life
20-Unit Parallel Expansion for Flexible Capacity


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Product Description

51.3V 170Ah Sodium ion Battery for Solar Energy Storage

The 51.3V 170Ah Sodium-Ion Battery for Solar Energy Storage is a high-capacity home energy storage solution designed for residential solar storage and backup power. It combines reliable low-temperature discharge, long cycle life, high-current output, and scalable capacity to support stable household energy use in different operating conditions.

With CAN/RS485 communication and support for up to 20 units in parallel, the sodium-Ion battery can be integrated with compatible energy storage inverters for flexible home storage configurations.

Key Features

Designed for residential solar energy storage, this sodium-ion battery delivers reliable performance, flexible integration, and long service life.

Designed for Solar Energy Storage

Built for residential solar energy storage and home backup applications, helping households store energy for later use.

Flexible Inverter Integration

CAN and RS485 communication support connection with compatible home energy storage inverters for easier system integration.

Smart BMS Protection

The integrated BMS monitors voltage, temperature, short circuit, communication faults, and other operating conditions for safer sodium-ion battery storage.

Expandable Home Energy Storage

The battery can be configured in parallel to increase storage capacity as household energy requirements grow.

Rack-Mounted Indoor Design

A compact rack-mounted structure with natural air cooling supports organized installation in residential battery storage systems.

Natural Cooling Design

Uses natural air cooling to support stable, low-maintenance indoor operation for residential energy storage systems.

Specification

Model	NA51170
Nominal Voltage	51.3V
Nominal Capacity	170Ah
Energy	8720Wh
Charge Voltage	60V
Discharge Cut-off Voltage	39.6V
Charge Current	≤150A
Constant Discharge Current	200A
Cycle Life	8000 cycles (0.5C, 90% DOD, 25±2°C)
Dimension	440780235 mm
Weight	125kg
Communication	CAN / RS485 / WiFi
Parallel Connection	Up to 20 units
Humidity	15–85% RH
Charge Temperature	0~55ºC
Discharge Temperature	-40~60ºC
Storage Temperature	-20~60ºC
Operating Altitude	<3000m
Protection Rating	IP20
Cooling Method	Natural Cooling
Installation Environment	Indoor
Certifications & Documents	UN38.3 / MSDS / CE

Polinovel Sodium-ion Battery Benefits

Polinovel Sodium ion Battery for Starting

Top-Grade Battery Cells

Built with high-quality sodium-ion cells, our batteries deliver outstanding advantages—including fast charging efficiency, zero maintenance, and exceptional performance in low-temperature environments.

Exceptional Performance

With superior charge/discharge rates and outstanding low-temperature capabilities, our sodium-ion batteries are perfectly suited for demanding applications such as car starting, marine starting, motorcycle starting, etc.

Long Cycle Life

Polinovel sodium-ion batteries feature excellent deep cycle performance, delivering consistent and reliable power over their service life. Their durability makes them a smart choice for applications that demand long-lasting power.

Reliable Product Warranty

As a trusted battery supplier, Polinovel offers a comprehensive warranty that guarantees both performance and longevity, ensuring you can rely on the quality and durability of Polinovel batteries with complete peace of mind.

Built-in BMS Protection

Over Charge/Discharge Protection

Monitors the battery voltage and ensures that it does not exceed or fall below a certain value to prevent over charge/discharge.

Temperature Protection

Monitors the temperature of each cell and protects the battery if the temperature exceeds/goes below a preset threshold.

Short Circuit Protection

Interrupts the flow of electricity to prevent any further damage after detecting a short-circuit.

Cell Balancing

Ensures all the cells are kept at the same voltage or SOC and helps to extend the life of the battery.

Polinovel Promises

High-performance Battery Solutions

Our team of experts thoroughly analyzes market needs and actively explores new technologies to create innovative battery solutions. Our battery products are manufactured using state-of-the-art technology and strict quality control measures to ensure they offer superior performance and great reliability.

Quality Assurance

As a reliable battery manufacturer, we offer products that meet global standards. Our battery products are certified with CE, MSDS, RoHS, and UN38.3 certifications. When you opt for our products, be assured that quality and safety is our utmost concern.

Exceptional Customer Service

Our commitment is to provide excellent customer service from beginning to end. Our team has a wealth of experience and is focused on providing the most satisfying experience for our customers. We offer quick and effective service, whether it's responding to product inquires, assisting with orders, or dealing with technical issues.

On-time Delivery

As an experienced battery supplier in the industry, we have an exceptional supply chain system and fast logistics. We are committed to providing efficient delivery to ensure that our customers receive their orders on time.

Sodium-Ion Battery FAQs

Q Can this 12V sodium-ion battery replace a lead-acid starting battery?

A It can be used as a replacement in compatible starting applications. Before replacement, check the CCA, battery dimensions, terminal layout, charging voltage, and operating temperature.
Q How does this sodium-ion battery perform in cold weather?

A It retains more than 80% capacity at −20°C and supports discharge operation down to −30°C, making it suitable for cold-weather starting applications.
Q Can I use an existing 12V lead-acid charger?

A Compatibility depends on the charger's output voltage and charging profile. Check that the charger is suitable for the battery's 15.6V recommended charging voltage before use.
Q How long does this 12V 100Ah sodium-ion battery last?

A The battery supports ≥2,500 cycles at 1C, 100% DoD and ≥4,000 cycles at 0.2C, 100% DoD under specified test conditions.
Q Does this sodium-ion battery have a built-in BMS?

A Yes. The integrated BMS provides protection against overcharge, overdischarge, overtemperature, and short circuits, while supporting cell balancing.

51.3V 170Ah Sodium ion Battery for Solar Energy Storage

51.3V 170Ah Sodium ion Battery for Solar Energy Storage

Key Features

Designed for Solar Energy Storage

Flexible Inverter Integration

Smart BMS Protection

Expandable Home Energy Storage

Rack-Mounted Indoor Design

Natural Cooling Design

Specification

Polinovel Sodium-ion Battery Benefits

Top-Grade Battery Cells

Exceptional Performance

Long Cycle Life

Reliable Product Warranty

Built-in BMS Protection

Over Charge/Discharge Protection

Temperature Protection

Short Circuit Protection

Cell Balancing

Polinovel Promises

High-performance Battery Solutions

Quality Assurance

Exceptional Customer Service

On-time Delivery

Sodium-Ion Battery FAQs

Q Can this 12V sodium-ion battery replace a lead-acid starting battery?

Q How does this sodium-ion battery perform in cold weather?

Q Can I use an existing 12V lead-acid charger?

Q How long does this 12V 100Ah sodium-ion battery last?

Q Does this sodium-ion battery have a built-in BMS?

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