25kWh High-voltage Energy Storage All-in-one

Equipped with a three-phase high-voltage inverter, the 25KWh high-voltage energy storage all-in-one is a safe, reliable and clean power supply system. The BYD batteries and the highly reliable BMS system ensure the safety of the system.
25KWh high-voltage energy storage all-in-one the built-in high-precision meter and CT prevent backflow and provide load power monitoring, making the all-in-one more safe and reliable.The high-voltage energy storage all-in-one is IP65 rated and can be monitored wirelessly using Wi-Fi and GPRS. It also offers multiple operating modes to meet different user needs, supports seamless switching between off-grid and on-grid, and can be charged by PV or utility power.

Specification Parameter
Name 25kWh High-voltage Energy Storage All-in-one
Max. Power 15kW
Max. DC Voltage 1000V
MPPT Voltage Range 180V-850V
Max.Input Current of Single MPPT 13A
MPPT Tracker/Strings 2/1
Rated Output Power 10KVA
Max. Output Current 15.9A
Grid Voltage Range 400V /360V~440V
Frequency 50 /60Hz
PF 1(0.8lagging-0.8leading)
THDI <3%
AC Output Topology 3W+N+PE
Rated Power 11KVA
Rated Output Voltage 400Vac
Rated Output Current 15.9A
Rated Frequency 50Hz /60Hz
Automatic Switching Time <20ms
THDU <2%
Overload Capacity 110%, 30S/120%, 10S/150%, 0.02S
Battery Capacity 512V 50Ah
Battery Energy 25kWh
MAX. Parallel Batteries 5 units
Service Life >10 years(25℃/77F)
Rated Charge/Discharge Current 40A
Communication CAN/RS485
Euro Efficiency 97.5%
IP Grade IP65
Noise Emission (Typical) <60dB
Operation Temperature -10~+60℃
Cooling Air cooling
Relative Humidity 15%~85%(non-condensing)
Operating Altitude 2000m(>2,000 Derating)
Dimensions (L*W*Hmm) 800*600*1833
Weight (kg) Customized
Inverter Topology <3W
Display LCD
Interface RS485/Wifi/LAN/CAN
Safety Standard IEC 62109-1&-2, IEC 62477, CE-EMC

Company Profile

Grevault is one of the subsidiary companies of Huntkey. We independently designs, develops, and manufactures household energy storage systems, industrial and commercial energy storage systems, photovoltaic power plants, charging piles, new energy vehicles vehicle power supply.Huntkey Grevault

Established in 2008, the R&D lab focuses on R&D design verification, new materials, experimental technology application, product function test, BMS system verification, software process verification test, high-voltage electrical stability test, etc.

Mechanical Reliability Laboratory                             Electrical Performance Lab                             Environmental test Lab

Corporation Advantage

Technical Support

Technical SupportProgram
Recommend the most suitable products to customers based on industry experience
Cooperate with customers for system testing to accelerate their R&D progress
Professional after-sales team, closed-loop improvement for possible problems
Provide the latest technological solutions when technology advances

Quality Control – Intelligent Quality Management

Intelligent quality tracing system

Collect and trace the quality data throughout the life cycle (material – production process – finished product – shipping – client side – market side – user side)
Intelligent quality data alerting and decision making
1. Open the end-to-end data interconnection and establish a big data information management platform.
2. Use big data and statistical tools to conduct intelligent analysis and early warning of quality data, and realize intelligent decision-making and preventive control of quality problems.

Intelligent quality closed-loop system

1. realize digital and intelligent closed-loop management of problems (task reminder, escalation processing)
2. Establish a case base of lessons learned (traceability, query, analysis, review).


Battery energy storage systems, also known as BESS, are innovative solutions that enable the efficient storage of electricity. These rechargeable batteries have the capability to store excess energy during periods of low demand and release it during peak demand, ensuring a balanced and reliable power supply.

Battery energy storage systems operate using advanced technologies that efficiently store and manage energy. They are equipped with control systems that monitor energy levels, optimize charging and discharging cycles, and ensure a reliable and stable power supply.

Battery Energy Storage Systems can store energy from renewable sources such as solar panels and wind turbines, ensuring a sustainable and environmentally-friendly energy storage solution.the power grid during off-peak hours when electricity demand is low, allowing for efficient utilization of excess energy and reducing strain on the grid.

The storage duration of battery energy storage systems relies on various factors, including the battery technology used, the energy capacity of the system, and the rate of energy discharge. However, they are designed to store energy for sufficient duration to meet the needs of different applications.

The use of Battery Energy Storage Systems can also contribute to a more efficient use of renewable energy sources, such as solar or wind power, by storing excess energy generated and using it when there is a lower supply.

At our factory, we have implemented a robust quality management system that guarantees the excellence of our battery energy storage systems. This system encompasses various quality control measures, such as thorough material inspections, in-process checks, and final product testing, to ensure consistent and reliable performance.

Yes , We do OEM and ODM service.we have good experience to understand what buyers like and arrange development.

1 review for 25kWh High-voltage Energy Storage All-in-one

  1. Pull Zook

    This GreVault 25kWh high-voltage energy storage all-in-one is extremely easy to use. I have one at home and installed it myself. It does not require an external inverter and is more beautiful overall.

Add a review

Your email address will not be published. Required fields are marked *

Latest Product

Latest Post

Latest Video

Scroll to Top


Contact Form Demo