What mechanism does a battery inverter typically employ to maintain power supply?

A battery inverter primarily uses the mechanism of drawing energy from a battery to maintain power supply. This is especially important in systems where energy storage is utilized to ensure a continuous power flow, even when the primary energy source, such as solar panels, is not generating electricity (for example, during nighttime or cloudy days).

When the demand for electricity exceeds the generation, or if there's an interruption in the grid or solar power generation, the inverter can convert the stored DC (direct current) energy in the battery into AC (alternating current) for use in powering household appliances and systems. This capability allows for increased reliability and efficiency in energy management, providing a backup power supply.

The other mechanisms listed do not focus on the battery's role in energy supply as the primary function of the inverter in this context. While connections to the utility grid or charging from solar arrays may complement the overall system, the key function of maintaining power supply during periods when solar energy is not available relies heavily on the inverter's ability to draw from the energy stored in the battery.