According to the specs, the line-interactive battery backup can appropriate for “brownouts and overvoltages from 83V to 147V.” A typical UPS can last any where amongst one particular and 5 and a half several hours, based on the model you purchase. In the meantime, the lifespan of a standard UPS https://waylonugnvb.sharebyblog.com/33923563/what-does-power-supply-backup-system-mean