The PSU-805-500VA UPS On-Line 300W by Amarad is a Compact UPS. It protects against overload, overheating, overcharging/discharging of the battery, and short circuit protection.

Features: Charging power output at 3 selectable levels allowing the user to connect an external 12V 20AH - 200AH battery, USB charging port at the back for charging devices such as smartphones during a power outage, audible error indication (buzzer alarm).

Suitable for: Protection and uninterrupted power supply (via external battery) for gas boilers, wood boilers, pellet boilers, energy fireplaces, fan heaters with a maximum operating load of 500VA. 

Dimensions: 290x130x270 mm