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A retrofit AC coupled battery inverter is a device that is designed to integrate with an existing grid-tied solar panel installation to add battery backup capabilities.
The inverter is typically installed between the existing solar panel string inverter and the utility grid connection, allowing it to control the flow of energy between the panels, batteries, and the grid. The inverter is responsible for converting the AC electricity converted by the string inverter into DC electricity that can be stored in the batteries. The inverter can then convert the DC electricity back to AC electriciyt so it can be used in the home when required.
The retrofit AC coupled battery inverter also includes a battery charge controller that regulates the amount of energy stored in the batteries. This charge controller ensures that the batteries are charged and discharged in a controlled manner, which helps to extend their lifespan.
One of the key benefits of a retrofit AC coupled battery inverter is that it can be installed without the need to replace the existing solar panels or inverter. This makes it a cost-effective solution for homeowners who want to add battery backup to their existing solar panel installation.
Overall, a retrofit AC coupled battery inverter provides a reliable and efficient way to integrate battery backup capabilities into an existing solar panel installation, allowing homeowners to have a reliable source of backup power during power outages or other emergencies.