APC Smart-UPS Online 48V 2U Lithium-Ion External Battery Pack. Battery technology: Lithium-Ion (Li-Ion), Battery voltage: 48 V, Battery capacity: 50 Ah. Weight: 27 kg, Width: 432 mm, Height: 85.5 mm. Package width: 555 mm, Package height: 233 mm, Package depth: 737 mm. Warranty period: 5 year(s)

This APC Smart-UPS XBP48RM2U-LI product is an extended-runtime lithium-ion battery pack provides much higher energy density and scalable runtime to Smart-UPS applications. The APC Smart-UPS On-Line Lithium-ion Extended Runtime Battery Pack offers flexible rack and tower installation options and provides 3X the battery life when compared with a VRLA battery. Compatible with SRTL 1-3kVA systems, this versatile 2U long runtime battery is perfect for critical long runtime applications in network IT and other applications.