APC Lithium-Ion UPS. APC's Li-Ion Smart-UPS is ideal for small and medium businesses looking to protect networking equipment and point-of-sale (POS) devices from power disturbances and outages. The Lithium Ion Smart-UPS features network grade protection, hot swap batteries, and built-in data line protection for worry free uninterruptible power protection for increased availability. This version includes an integrated NMC (Network Management Card). Built on the same standards as the award-winning Smart-UPS, Smart-UPS SC provides the basic features and manageability needed to protect entry-level applications