Industrial Automatic Control Systems and Controllers Annotation << Back APC by Schneider Electric Expands the Line of Uninterruptible Power Supplies Models with Lithium-ion Batteries Schneider Electric Company For many decades, uninterruptible power supplies (UPS) used lead-acid batteries. But, progress is inexorable, new requirements are being imposed on the UPS, so it’s time to move on to a new type of battery – lithium-ion (Li-Ion). Contacts: - Pp. 62-63.