The EATON backup power supply is a perfect device providing insurance for households, smaller companies, or offices. It has a real power of 660 W, while its apparent power is 1200 VA. It offers line interactive power, which uses its battery very efficiently and handles fluctuations in the electrical grid well. It boasts 95% efficiency at 100% load. The dimensions of the EATON backup power supply are 180 × 133 × 330 mm. For most users in the Czech Republic, a more universal UD (Schuko) is common. The USB port is intended for monitoring and automatic shutdown of the connected computer or NAS during a power outage.