Reading time 3 minutesInverters, especially the "cheaper" ones, are often advertised with "real" sine waves. A real sine wave is particularly important for switching power supplies. A more or less rounded... Read More »Inverter and “true” sine wave
Reading time < 1 minuteWhat is the difference between a UPS (uninterruptible power supply) and an inverter? What both have in common is that they have batteries from which they produce 230 V... Read More »Difference: UPS – inverter
Reading time 2 minutesThe Pro series from APC is suitable as an emergency power supply. It works with two 12 V 9 Ah batteries connected in series, i.e. 24 V, provides... Read More »APC UPS with external batteries
English 
German 
French 
Swedish 
Spanish 
Portuguese 
Italian 
Dutch 
Norwegian 
Finnish 
Danish 
Czech 
Hungarian 
Greek 
Russian 
Turkish 
Japanese 
Lithuanian 
Latvian 
Slovenian 
Slovak