High Voltage Stackable Lithium Battery for Home Solar System

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High Voltage Stackable Lithium Battery for Home Solar System

Easy plug and play installation
High voltage module optimized for high energy storage needs
Support power expansion up to 50kwh
Automotive-grade technology and processes to ensure high safety


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Polinovel HSTK Series is a stackable high-voltage battery system designed for residential energy storage and light commercial applications. Built with automotive-grade manufacturing processes, it offers a reliable and efficient solution for solar self-consumption, microgrid stabilization, peak shaving and valley filling, etc.

HSTK Series

High Safety and Reliability

This high-voltage energy storage battery is built with automotive-grade manufacturing processes, delivering safe, reliable power to ensure uninterrupted operation of household appliances, commercial systems, etc.

Intelligent High Voltage Control Box

The high voltage control box plays a crucial role in keeping the battery system running smoothly. It monitors the status of the entire battery system in real time and keeps effective communication with the inverter to adjust charging/discharging and protection strategies based on real-time battery status.

Easy Plug-and-play Installation

No complicated setup—easy plug-and-play installation ensures fast system integration.

Stackable And Scalable Energy Storage Solution

It is an easily scalable solar battery with a modular and stackable design. It can be connected in series with multiple batteries to satisfy varying power requirements.

Specification

Model	HSTK25	HSTK30	HSTK35	HSTK40
Nominal Voltage	256V	307.2V	358.4V	409.6V
Nominal Capacity	100Ah	100Ah	100Ah	100Ah
Energy	25.6kWh	30.7kWh	35.8kWh	40.9kWh
Charge Cut-off Voltage	290V	350V	408V	467V
Discharge Cut-off Voltage	212V	254V	296V	340V
Standard Charge Current	50A
Max. Charge Current	100A
Max. Constant Discharge Current	100A
Scalability	Up to 10pcs * 51.2V 100Ah to reach 50kWh
Communication	CAN
Dimension	6504001020mm (25.615.740.2in)	6504001178mm (25.615.746.4in)	6504001336mm (25.615.752.6in)	6504001494mm (25.615.758.8in)
Weight	280kg (617lbs)	330kg (728lbs)	380kg (838lbs)	430kg (948lbs)
Charge Temperature	0~50 °C
Discharge Temperature	-15~60°C

Polinovel Lithium Battery Benefits

High Quality Battery Cells

Adopt top-grade lithium iron phosphate battery cells that offer significant advantages, including improved charging efficiency, zero maintenance and the ability to deep discharge while maintaining power.

Long Cycle Life

Polinovel lithium batteries provide reliable and adequate power for deep cycle use over a long period of time. The extended lifespan makes

the batteries an excellent choice for many applications that require long-lasting power.

Advanced Safety Features

The built-in BMS protects the battery from extreme temperatures, overcharging, over-discharging, and short circuits to ensure

durability and reliability.

Solid Product Warranty

Polinovel is a reputable LFP battery supplier

that offer a reliable warranty that covers the performance and life of the battery products, giving consumers peace of mind knowing that they can trust the quality of Polinovel lithium batteries.

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 lithium battery solutions. Our lithium ion 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 Li ion battery supplier, we offer products that meet global standards. Our lithium 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 LFP 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.