In accordance with the specs, the line-interactive battery backup can appropriate for “brownouts and overvoltages from 83V to 147V.” Potential and Power: When choosing a system, look at your house's recent potential and power to determine the right battery backup system you will require. The DPU is a mixture inverter https://waylonrckry.gynoblog.com/33261476/5-essential-elements-for-backup-power-supply