APC Smart-UPS 48V 2U Rack-Mountable Battery Pack

Overview

The APC SRT48RMBP is a 48V external battery pack designed to extend the runtime of compatible Smart-UPS systems. It features a 2U rack-mountable enclosure that fits standard 19-inch racks or can be used alongside tower UPS units. This battery pack contains two sealed lead-acid batteries and is engineered to provide reliable backup power for critical equipment such as servers, network switches, and storage arrays during power outages.

Its compact 2U height helps conserve rack space, making it suitable for environments like branch offices, edge computing setups, and small to medium data centers where space efficiency is important. The hot-swappable battery trays allow for quick maintenance without interrupting power delivery, ensuring continuous protection for your infrastructure.

Key features

• Designed to seamlessly extend runtime for select APC Smart-UPS models, including SMX1000I-DIG and SMX1500RMI2UNC-5XW
• 2U rack or tower installation with included mounting brackets for flexible deployment
• Contains two user-replaceable sealed lead-acid batteries that provide dependable backup power
• Hot-swappable battery trays enable fast battery replacement without downtime
• Black metal enclosure with a compact design that fits standard 19-inch racks and conserves valuable space
• Supports graceful shutdown or generator startup by maintaining power during outages
• Backed by a two-year manufacturer warranty for added reliability and peace of mind

Key specs

• Voltage: 48V
• Form factor: 2U rack-mountable or tower installation
• Battery type: sealed lead-acid (two batteries)
• Dimensions: 3.3 x 17.008 x 21.1 inches
• Weight: 65.9 lb
• Compatible UPS models: SMX1000I-DIG, SMX1500RMI2UNC-5XW
• Enclosure finish: black metal
• Warranty: two years

Installation and setup

Setting up the battery pack is straightforward with the included mounting brackets and DC cable. It integrates directly with compatible Smart-UPS units without requiring additional configuration, allowing you to quickly increase your UPS runtime. The design supports both rack and tower setups, providing flexibility depending on your available space and equipment layout.

Maintenance and reliability

The hot-swappable battery trays simplify maintenance by allowing technicians to replace batteries from the front of the unit without powering down connected equipment. This feature minimizes downtime and helps maintain continuous power protection. The robust enclosure and quality components ensure dependable operation in demanding environments, supported by a two-year warranty for confidence in long-term use.

Ideal uses and environments

This battery pack is well suited for IT professionals managing branch offices, edge computing nodes, or small to medium data centers where extending UPS runtime is critical. It supports essential infrastructure like servers and network devices, helping prevent data loss and downtime during power interruptions. Its compact size and flexible installation options make it a practical choice when rack space is limited but reliable backup power is required.