Maintain uptime where rack space is tight and power quality matters. The APC Smart-UPS Lithium Ion SMTL1000RM2UC delivers 1,000 VA / 800 W of line-interactive protection in a short-depth 2U chassis, making it a strong fit for branch offices, network closets, and edge IT rooms. Lithium-ion battery technology reduces maintenance overhead compared with traditional sealed lead-acid designs, while the 120 V input range supports unstable utility conditions without forcing a full shutdown. SmartConnect gives IT teams remote visibility into UPS status, battery health, and event notifications, helping you respond before a minor power issue becomes a service call. The rack-mount form factor is built for network devices, switches, routers, hubs, POS terminals, and compact servers that need orderly shutdown protection and cleaner power delivery. With a 5-year repair-or-replace warranty and RoHS compliance, this model is positioned for teams that value lower lifecycle friction, not just initial purchase price. For environments where every rack unit counts, the short-depth design is a practical advantage. It preserves airflow, simplifies placement in shallow cabinets, and supports deployments that would be awkward for deeper UPS systems. This is the kind of UPS you choose when uptime, serviceability, and footprint all matter at once.