5kWh Trolley ESS

Huntkey GreVault 5kWh trolley ESS With an all-in-one design that includes a bi-directional inverter and MPPT system, it is very easy to transport.It can be connected to battery power, photovoltaic power and grid to supply it with power, and can store the energy produced by photovoltaic solar energy. When there is a power outage or a high demand for electricity, the energy stored in the system can meet the energy demand and provide uninterrupted power support.The 5kWh trolley ESS can help you realize energy independence.

Specification Parameter
Name 5kWh Trolley ESS
Rated Voltage 48V
Input Voltage Range 37-60V
Rated Energy 4800Wh
Rated Charging Current 25A
Rated Discharging Current 45A
Maximum Discharge Current 80A
Battery Cycle Life 2000 Times (@25°C, 1C Discharge)
Charging Power 1800W
Rated Voltage 220Vac
Input Voltage Range 180-260V
Frequency 50Hz
Frequency Range 45-55Hz
Power Factor (@max. charging power) >0 .99
Maximum Input Power from Vehicle Charging 120W
Maximum Input Power from Solar Charging 500W
DC Input Voltage Range 10~53V
DC/Solar Maximum Input Current 10A
Rated AC Output Power 2000W
Peak Power 5000W
USB-A (x1) 12 .5w, 5V, 2 .5A
QC 3 .0 (x2) Each 28w , (5V, 9V, 12V), 2 .4A
USB-TypeC (x2) Each 100w , (5V, 9V, 12V, 20V), 5A
Cigarette Lighter and DC Port Maximum Output Power 120W
Cigarette Lighter(x1) 120w, 12V, 10A
DC Port (x2) 120w, 12V, 10A
LED Light 3W
Dimensions of LCD Display (mm) 97*48
Wireless Charging 10W(Optional)
Maximum Battery to AC 93.0%
Maxmum AC to Battery 93%
Protection AC Output Overcurrent
AC Output Short Circuit
AC Charge Overcurrent AC Output Over/Under Voltage
AC Output Over/Under Frequency
Inverter Over Temperature AC Charge Over/Under Voltage
Battery Temperature High/Low
Battery/Under Voltage
Dimensions (L*W*Hmm) 570*220*618
Weight 54.5kg
Operating Temperature 0~45°C (Charging) ,-20~60°C (Discharging)
Communication Interface WIFI

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 5kWh Trolley ESS

  1. Avatar photo

    Charles Bourne

    I have been using the GreVaulte 5kWh Trolley ESS for two years and it is still very useful. I often take it with me when I go camping.

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