APC Smart-UPS Ultra Lithium-Ion Battery Pack 1U

Overview

The APC SRTL50RMBP1U-LI is a lithium-ion external battery pack designed to extend the runtime of APC Smart-UPS Ultra 2KVA and 3KVA systems. It provides critical backup power to servers, network switches, and other essential equipment during outages, helping prevent unexpected shutdowns. With a compact 1U rack size and a weight of 43 pounds, it fits easily into data center cabinets or smaller racks while being lighter than traditional lead-acid batteries.

Key features

• Lithium-ion technology delivers a longer lifespan and reduces overall battery weight for easier handling and installation.
• Supports connection of up to five external battery packs to a single Smart-UPS Ultra, allowing flexible scaling of backup runtime as your power needs grow.
• Includes mounting hardware for horizontal rack installation or tower placement, adapting to various rack types including shallow two-post frames.
• Advanced battery management system monitors individual cell health and balances charging to maintain capacity and reduce maintenance requirements.
• Operates reliably within typical server room temperatures, from 32 °F to 104 °F, ensuring consistent performance in standard IT environments.
• Backed by a five-year warranty, providing confidence in long-term reliability and support.

Key specs

• Battery type: Lithium-ion
• Compatible UPS models: APC Smart-UPS Ultra 2KVA and 3KVA
• Rack units: 1U
• Dimensions: 1.7 in H × 17.01 in W × 22.05 in D
• Weight: 43 lb
• Operating temperature range: 32 °F to 104 °F
• Maximum external packs per UPS: 5
• Warranty: 5 years

Connectivity and compatibility

This battery pack is specifically designed to integrate seamlessly with APC Smart-UPS Ultra 2KVA and 3KVA models. Its connection system allows straightforward cabling to the UPS unit, enabling quick expansion of backup capacity without complex setup. The included mounting options ensure it fits well in various rack configurations, making it suitable for data centers, branch offices, and edge computing environments.

Installation and setup

The compact 1U form factor and relatively light weight simplify installation in tight rack spaces or smaller IT closets. The package includes hardware for mounting the battery pack horizontally in a rack or positioning it as a tower beside a standalone UPS. This flexibility helps accommodate different physical setups and space constraints, reducing installation time and effort for IT teams.

Ideal uses and environments

This battery pack is well suited to environments where extended runtime is critical, such as data centers, retail point-of-sale racks, and edge computing closets. Its ability to scale by adding multiple packs makes it a strong choice for growing IT infrastructures that require reliable power protection without frequent maintenance. The operating temperature range and advanced battery management also make it a dependable option for typical server room conditions.