The APC Smart-UPS SRT 48V External Battery Pack (Model: SRT48BP) is designed to provide extended runtime for mission-critical applications requiring reliable backup power. Compatible with APC Smart-UPS SRT 1 kVA and 1.5 kVA on-line UPS systems, this battery pack utilizes *sealed lead-acid technology* that ensures a maintenance-free, leak-proof, and safe power source.

Optimized for flexible deployment, it supports rackmount installation in a slim 1U form factor or standalone stack setup. The battery modules are hot-swappable and user-replaceable, minimizing service downtime and maintaining continuity for critical loads.

Embedded monitoring technology tracks battery health and runtime at the cell, module, and cabinet levels, allowing for precise management and ensuring UPS readiness when power outages occur. Multiple units can be chained together (up to system limits) to extend operational time during prolonged outages.

With physical dimensions of approximately *432 mm height x 85 mm width x 536 mm depth* and weighing *about 29.9 kg*, this robust external battery pack supports scalable backup power solutions with a nominal output of 48 V DC. It carries a 2-year manufacturer warranty, providing confidence in durability and reliability.

Key highlights include easy integration with existing Smart-UPS systems, comprehensive battery status monitoring, and the ability to increase runtime by adding additional battery packs. This external battery pack is ideal for enterprises, data centers, and mission-critical environments where maintaining continuous power is essential.