Based on the provided image, this appears to be a stack of Africell 6.2KVA 48V Hybrid Solar Inverters.
Here are some key details about this product:
Capacity and Voltage: These units have a rated capacity of 6.2KVA and operate on a 48V battery system.
Functionality: They are designed to manage energy from multiple sources, including solar panels, battery storage, and the grid.
Key Features: The inverters are noted for having high load capacity, fast charging capabilities, and the ability to provide uninterrupted power.