81V 320Ah Na ion Forklift Battery
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81V 320Ah Na ion Forklift Battery

Product Description

Polinovel 81V 320Ah sodium-ion batteries provides stable, long-lasting power for forklifts, pallet trucks, and other light industrial equipment. With high cycle life, strong low-temperature performance, and fast-charging capability, our batteries reduce downtime and replacement costs. Built-in BMS protection, Bluetooth connectivity, and an LED display give operators clear access to key battery data, making battery management simpler and more transparent.

Stable Power Output

Designed for material handling work, the battery provides steady power for lifting, loading, and frequent operation, helping forklifts run smoothly through demanding shifts.

Wide Temperature Adaptability

Polinovel sodium-ion forklift battery is built  for changing work environments, helping deliver stable performance in cold storage, hot workshops, outdoor sites, and daily warehouse operations.

Enhanced Safety

With inherently stable sodium-ion chemistry and advanced thermal management, Polinovel batteries minimize the risk of thermal runaway, delivering safe and worry-free operation every day.

Smart Battery Management

The built-in intelligent BMS monitors battery operation and helps protect the system during charging and discharging, supporting safer, more stable, and more reliable daily use.



Specification

​Model

NA81320

Nominal Voltage

81.2V

Nominal Capacity

320Ah

Energy

25984Wh

Charge Voltage

100V

Discharge Cut-off Voltage

56V

Charge Current

≤320A

Constant Discharge Current

300A

Peak Discharge Current

600A @30s

Dimension

1520*500*530 mm (59.8*19.7*20.9 in)

Weight

400kg / 882lbs (without counterweight)

Cycle Life @DOD100%

≥2000 cycles

Charge Temperature

-10~55ºC

Discharge Temperature

-40~60ºC

Storage Temperature

-10~35ºC


Polinovel Sodium-ion Battery Benefits

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.

Inquiry

CONTACT US

 +86-755-28906569
Shenzhen Headquarter: 
Building 3, Vanke Timemark, 85 Longcheng Ave, Longgang Dist, Shenzhen, China
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