High Voltage Lithium Battery Storage System

✔ 102.4V-716.8V, 20kWh-261kWh Options
✔ Round-trip Efficiency ≥95%
✔ Smart BMS Control with CAN/RS485
✔ ≥6500 Cycles for Long-term ROI
✔ On-Grid, Off-Grid & Backup Ready

Modular Stack

Plug-and-Play Assembly

High Efficiency

≥95% Round-trip Efficiency

 Smart BMS

CAN/RS485 Protocol

Intelligent Balance

Optimizes Cell Life & Safety

Certified Safety

Tier-1 A+ LiFePO4 Grade

High Voltage Lithium Battery From Delong

The Delong high voltage lithium battery features a modular design, making it easy to install and expand. It is highly efficient, fast charging speed and has strong discharge performance, making it suitable for high load usage in homes and businesses.

400V HV Smart String Series

Optimized Energy Conversion for Seamless High-Voltage Integration.

15kwh 400V Lithium Battery Pack HDC15-5k
14.3Kwh~16Kwh 400Vdc Intelligent Lithium Battery Module HDC15-5K
400Vdc High Voltage Smart String Lithium Battery HSDC15-X
14kWh~48kWh 400Vdc Smart String Energy Storage System HSDC15

Stackable High Voltage Storage

Modular “Lego-style” Expansion, 5kWh to 112kWh Flexible Setup.

Stackable High Voltage Battery Pack
204V / 307V / 409V / 512V 50Ah High Voltage Lifepo4 Battery 20-50kwh LFP-HV32-10
48kwh 307V High Voltage Battery Size
48kwh 307V High Voltage LFP Energy Storage Delong
60kwh Lifepo4 Battery 600V 100Ah High Voltage Pack Delong
64kwh 409V High Voltage Battery Size
64kwh 400V HV Lithium Battery Pack For UPS, Solar Storage
70kwh 700V HV Lithium Battery Pack For Solar System Delong
80kwh Lithium Battery Pack
80kwh 512V 157Ah HV Lifepo4 Battery System Delong
96kwh 614V High Voltage Battery Size
100kwh Lithium Ion Battery pack 358.4V 280Ah Delong
96kwh 614V High Voltage Battery Size
200kwh Solar Battery Storage 716.8V 280Ah
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Integrated Industrial Storage Solutions

Rack-Mounted & All-In-One Systems for Scalable Power Performance.

96kwh 172kwh Battery With Inverter
96kwh 614V 157Ah HV Li Ion Battery Storage Delong
114kwh -192kwh Energy Storage System
114kwh 409V 280Ah High Voltage Battery Storage
114kwh -192kwh Energy Storage System
128kwh 409V 314Ah High Voltage Battery Storage
114kwh -192kwh Energy Storage System
143kwh 512V 280Ah High Voltage Lithium Battery
114kwh -192kwh Energy Storage System
160kwh 512V 314Ah High Voltage Lifepo4 Battery
96kwh 172kwh Battery With Inverter
172kwh Battery Storage 614V 280Ah Delong
96kwh 172kwh Battery With Inverter
190kwh Lifepo4 Solar Battery Bank 600V 314Ah
215 kWh Battery ESS for Commercial and Industrial
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Why Choose Delong High Voltage Battery System

Lifepo4

It uses stable lithium iron phosphate technology, ensuring high round-trip efficiency, a wide operating temperature range, and good durability.

BMS

The BMS guarantees safety and availability, with strong compatibility, supporting three-phase off-grid inverters and hybrid inverters.

Communicate

It can communicate via RS485, RS232, and CAN interfaces, supporting customized communication protocols and control software.

Stackable

The stackable modular design allows for flexible capacity expansion, making it easy for you to disassemble, transport, install, test, and maintain.

Long Lifespan

The high voltage lithium battery has no memory effect, with a capacity retention rate of up to 96%, providing a cycle life of 6,500 times.

Save Space

The Delong high voltage energy storage battery is compact in size, convenient for indoor and outdoor installation, and space-saving; it has wheels at the bottom for easy mobility.

10-Year Warranty

The Delong high voltage lithium battery consumes less energy, has high transmission efficiency, and comes with a 10-year after-sales warranty, giving you peace of mind.

Eco-Friendly

The materials used in the high voltage li ion battery contain no harmful substances, helping to reduce carbon emissions and having a positive impact on the environment.
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Your Power, Managed 24/7

Cut electricity costs with smart peak shaving and ≥95% round-trip efficiency.

The Delong high voltage lithium battery stores energy generated by solar panels during the day and releases electrical energy at night in coordination with the inverter, achieving peak shaving and reducing electricity costs. It can also serve as a backup power source, providing stable off-grid electricity to cope with power grid failures and enhance your energy independence.

High Voltage Solar Battery Grid and off-grid use
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Widely Application With More Power

ON Grid / ON Grid + Backup / OFF Grid

The Delong high voltage lifepo4 battery is suitable for homes, businesses, industries, agriculture, utility-scale applications, transportation, and renewable energy systems, seamlessly integrating with the grid to ensure power supply for critical loads.

Stackable Lifepo4 Whole Home Battery Backup

Whole-Home Backup Solutions

Seamless high-voltage energy integration for premium residential independence and smart power management.

EV Charging Infrastructure

Stabilize local grids and support rapid charging stations with high-density buffer energy storage.

Battery Storage System For Base Station

Critical Telecom & UPS

Ultra-reliable backup power for server rooms and telecom base stations, ensuring 24/7 uptime.

Battery Backup System For Data Center

C&I Energy Management

Precision power storage for commercial environments to optimize peak shaving and operational costs.

Microgrid & Industrial Control

Rugged high-voltage systems designed for industrial automation and remote microgrid stability.

Your Trusted Certified Delong  Battery Factory

We are a professional lithium battery energy solutions provider with a specialized lithium battery factory, offering you high-voltage battery packs in bulk, with high quality and competitive prices. They have undergone rigorous safety testing and have obtained international certifications such as CE, KC, IEC, UL, MSDS, and UN38.3. Our high voltage battery system enhance your life while ensuring your safety, allowing you to successfully enter the local market.

A+ Battery Cells
Delong Energy Factory
Delong Lifepo4 Battery Global Certifications
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Delong HV Global Installation Showcase

Reliable High-Voltage Storage for Commercial & Premium Residential Projects Worldwide.

320 kwh Stackable Lifepo4 battery in Ukraine
320 kWh Commercial Backup

Large-scale modular system for business uninterrupted power.

256V 100Ah High voltage lithium battery in Ukraine
256V Industrial Microgrid

Rugged, grid-tied HV solution for stable factory power.

50kwh Stackable Battery in Germany
Premium HV Residential ESS

Full home battery backup for maximum energy independence.

50 kwh Stackable Lithium battery in Ukraine
50 kWh Scalable Storage

Versatile HV system for projects needing flexible capacity.

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Frequently Asked Questions

High voltage solar batteries refer to solar battery systems that can store and release energy at higher voltages. Compared to common low-voltage battery systems such as 12V, 24V, or 48V, high-voltage solar batteries can output higher voltages in photovoltaic power generation systems, such as 96V, 102V, 204V, 256V, 307V, and 512V.

High-voltage batteries offer the following advantages:

High-voltage batteries have a higher energy density, allowing them to store more energy in a smaller size and weight. This effectively reduces the number of batteries needed in series, minimizing the space required by the system.

High-voltage batteries lower the transmission current, reducing energy losses during the power transmission process and improving the overall system efficiency. The reduced current allows for the use of smaller cables to transmit electricity, lowering wiring and distribution costs.

High-voltage batteries are compatible with high-voltage power grids, industrial machinery, electric vehicles, and other high-power applications, which not only reduces system complexity but also maintains stable performance to provide the necessary power for applications.

High voltage batteries can be used in electric vehicles(EV), large industrial equipment, commercial facilities, grid energy storage, home energy storage, renewable energy systems, uninterruptible power supply systems, medical devices, marine applications, and more.

The design of Derlong high-voltage batteries is based on 6,500 cycles. However, your usage habits, working temperature, maintenance practices, and usage frequency will all affect its lifespan. Additionally, the type or technology of the cells used in high-voltage batteries will also impact their longevity. For example, lithium-ion batteries or lithium iron phosphate batteries have a lifespan that is more than three times that of lead-acid batteries.

Although high-voltage batteries have a higher voltage, their lifespan is not necessarily longer than that of low-voltage batteries. This is because their lifespan is also influenced by various factors. Different chemical compositions, extreme operating temperatures, frequent deep discharges and recharges, and low-quality battery management systems (BMS) can all potentially shorten the battery’s lifespan.

In simple terms, you can increase the overall voltage of a battery pack by connecting multiple battery cells in series.

However, from a safety and practical standpoint, you need to consider the type, voltage, and capacity of the individual battery cells, the design of the battery module, the battery management system, the assembly of the batteries, and finally, conduct multiple tests on the performance and safety of the high-voltage battery.

This is a project that demands high standards for both your technology and equipment. If you lack experience in manufacturing high-voltage batteries, it is advisable to seek assistance from professionals or manufacturers, such as Derlong, which has a research and development and manufacturing team.

We need to compare their characteristics to determine which is better, specifically which one better meets your actual needs.

High voltage batteries can store more energy and reduce the number of batteries needed in series, freeing up more space. They have the advantage of high voltage, which results in lower current, reduced power loss, and shorter charging times, making them suitable for high-power applications. However, high-voltage batteries are relatively more expensive and require greater attention to safety.

Low-voltage batteries have a simpler design, lower cost, and are easier to install and use, making them suitable for general applications. Compared to high voltage batteries, low-voltage batteries experience slightly higher power loss, lower efficiency, and longer charging times.

In summary, you need to consider your budget, application scenarios, technical capabilities, charging speed, transmission efficiency, and safety risks. If your budget is flexible but space is limited and you wish to use a more efficient battery system, then high voltage batteries are recommended. If your budget is constrained and you prefer a more user-friendly battery, then low-voltage batteries would be more suitable for you.

High-voltage batteries can be charged, but they must be equipped with a battery management system and use a dedicated charger to ensure safety and efficiency.

At the same power level, higher voltage results in lower current, less heat loss, and higher charging efficiency. However, the charging speed of high-voltage batteries is also influenced by the type of battery, the design of the charger, the charging method, and the functions of the battery management system (BMS). In short, the more advanced the system technology and the more rational the equipment, the faster the charging speed.

You can refer to the following methods to improve charging speed:

Use a compatible high-power charger.
Employ a charging mode that uses constant current followed by constant voltage.
Increase the ambient temperature within the manufacturer’s recommended range to help accelerate charging speed.
Utilize a battery management system to optimize the charging process.
Regularly maintain the battery and ensure good connections to enhance charging efficiency.

The price of high voltage battery packs is influenced by factors such as battery type, manufacturer, capacity, technical specifications, and market demand. For example:

The price of lithium-ion batteries ranges from $300 to $700 per kilowatt-hour.

The price of lead-acid batteries ranges from $100 to $300 per kilowatt-hour.

The price of Delong high voltage lithium batteries ranges from $800 to $20,000, depending on the capacity and quantity you need. As a lithium battery manufacturer, our engineers will provide feasible recommendations based on your application requirements.

The optimal voltage for a rechargeable high voltage battery pack depends on the battery type, design, and application. For example, Delong high-voltage lithium batteries are available in 204.8V, 307.2V, 409.6V, 512V, and 614.4V. We will provide practical recommendations based on your specific needs.

The range of a high-voltage battery depends on the application scenario, capacity, efficiency, and the energy consumption of the equipment. For electric vehicles, the larger the battery capacity and the higher the efficiency, the longer the range. Conversely, the higher the vehicle’s energy consumption, the shorter the range. Driving conditions, weather, and temperature can also impact the range. Ideally:

A 50-70 kWh high voltage battery typically provides a range of 250 to 400 kilometers.

An 80-100 kWh high voltage battery typically provides a range of 450 to 600 kilometers, like in Tesla cars.

For home energy storage systems or industrial equipment, we can measure the range of a high voltage battery storage by the amount of energy stored and the duration of power supply.

The high voltage of rechargeable high-voltage batteries presents risks of electric shock and can lead to issues such as overcharging, over-discharging, short circuits, thermal runaway, chemical leaks, and mechanical damage.

Therefore, Delong employs a more complex and advanced battery management system to prevent these adverse situations from occurring. Additionally, we will provide safety operation guidelines to minimize safety hazards and ensure your protection.

Request a Custom HV Solution

Our engineers will provide a professional system design and quote based on your specific project needs.

    Reliable Backup Power Series

    114kwh -192kwh Energy Storage System
    C&I Energy Storage System
    45kwh Lifepo4 Battery
    Home Energy Storage System
    5-15kwh Lifepo4 Portable Power Station
    Lifepo4 Portable Power Station
    Telecom Lithium Battery