Energy storage remove battery and plug in power supply
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
When grid power on, the inverter-charger charges your battery bank. When the power goes down, you flip the transfer switch, and plug in the output of the inverter to the transfer switch generator plug in. They have automatic transfer switches, and inverter-chargers know when to charge batteries vs power inverter.