500kw 1Mwh 2Mwh battery energy storage system Container
The MECC 500kW/1MWh Air-Cooled BESS provides a high-performance solution with a 20-30% lower CapEx compared to liquid-cooled systems, making it the ideal ROI choice for SMEs and industrial facilities with standard ambient temperatures.
Utilizing a Patented S-Shaped Air Duct Design and intelligent frequency-conversion fans, our 1MWh container achieves a temperature deviation of <5°C across all battery racks, ensuring thermal stability even during continuous 0.5C discharge cycles.
Designed for Simplified Maintenance, the air-cooled architecture eliminates the risks of coolant leakage and requires no specialized HVAC technicians. Each 100kWh battery module is independently hot-swappable, minimizing system downtime.
Optimized for Commercial Peak Shaving, this 500kW/1MWh block perfectly fits factories with a 1000kVA transformer, providing sufficient energy depth for 2-hour load shifting and demand charge mitigation.


| Specification | |||
|
Model No.: |
MECC-645-300 |
MECC-1075-500 |
MECC-2150-1000 |
|
Container Size |
20ft |
20ft |
40HQ |
| Battery Parameter | |||
|
Battery Type |
LifePo4 |
||
|
Battery capacity |
645.12kWh |
1075.2kWh |
2150.4kWh |
|
Battery cabinet capacity |
768V/280Ah,215.04kWh |
||
|
Battery cabinet Qty |
3pieces in parallel |
5pieces in parallel |
10pieces in parallel |
|
Cycle life time |
10000times |
||
| PCS Parameter | |||
|
PCS power |
300kW |
500kW |
1MW |
|
Isolated Transformer |
Included |
||
|
Output Voltage |
380V/400V 3L+N+PE |
||
| Others | |||
|
Air conditioner |
Yes |
||
|
Fire fighting system |
Yes |
||
|
Certification |
CE,UN38.3,EN50549,G99,VDE4105 |
||

Usage scenario wiring diagram

FAQ
What is the capacity range of an energy storage systems container?
The capacity of a Solar Energy Storage Container can vary widely depending on its design and intended use. Small scale models might have a capacity in the range of a few kilowatt hours (kWh), suitable for powering a small off grid cabin or a set of low power devices. Larger industrial grade containers can store hundreds or even thousands of kWh, which are useful for large scale solar power plants or grid supporting energy storage systems.
How efficient is the energy storage in an energy storage systems container?
The efficiency of energy storage in a Solar Energy Storage Container is mainly determined by the type of energy storage technology used, such as lithium ion batteries. Modern lithium ion based storage systems in these containers typically have an efficiency of around 90 - 95%. This means that for every 100 units of electrical energy input into the storage system, 90 - 95 units can be retrieved for use, with the remaining 5 - 10% being lost as heat during the charging and discharging processes.
What are the maintenance requirements for an energy storage systems container?
Regular maintenance of a Solar Energy Storage Container includes periodic inspection of the battery cells for signs of swelling, leakage, or overheating. The electrical connections should be checked for tightness and corrosion. Temperature and humidity monitoring systems need to be calibrated regularly to ensure optimal operating conditions. Additionally, software controlled systems may require periodic updates to maintain efficient operation. Battery specific maintenance might involve equalizing the charge of battery cells in some cases.
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