4 ms·
Presumably a UPS is still using a switching power supply just with a battery backup.
by streb-lo 9y ago
Presumably a UPS is still using a switching power supply just with a battery backup.
- pixl97 9y agoThere are many kinds of UPS's http://www.apc.com/us/en/faqs/FA157448/ http://www.apc.com/us/en/faqs/FA157448/