81V 420Ah Na ion Forklift Battery

Sodium-ion chemistry for safe, stable operation
Reliable performance even at low temperatures
Smart BMS protection for daily operation
Easy monitoring via Bluetooth APP and LED display


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Product Description

Polinovel 81V 420Ah sodium-ion battery delivers dependable power for forklifts, pallet trucks, and other industrial handling equipment. Built for demanding duty cycles, it combines high capacity, strong current output, wide temperature adaptability, and smart battery monitoring in one integrated solution. From daily warehouse operation to more challenging work environments, it helps improve uptime, simplify battery management, and support more reliable equipment performance.

Fast Charging, Better Uptime

Built for busy material handling operations, this battery supports efficient charging and flexible opportunity charging. Operators can recharge during breaks and keep forklifts working with less downtime.

Reliable Power in Cold Conditions

Polinovel sodium-ion forklift battery is designed to support stable operation in cold working environments. It helps forklifts maintain dependable power for cold storage, winter logistics, and demanding industrial sites.

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 BMS Protection

An intelligent BMS tracks battery conditions during use and helps manage charging, discharging, and abnormal operation, supporting safer performance throughout the workday.

Specification

Model	NA81420
Nominal Voltage	81.2V
Nominal Capacity	420Ah
Energy	34020Wh
Charge Voltage	100V
Discharge Cut-off Voltage	56V
Charge Current	≤320A
Constant Discharge Current	300A
Peak Discharge Current	600A @30s
Dimension	1520650550 mm (59.825.621.7 in)
Weight	350kg / 772lbs (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.