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APC Smart-UPS X-Series black rackmount battery pack, 4U size, with vented front panel and APC logo on the left.

APC Smart-UPS X-Series External Battery Pack 1200VAh

by APC

£749.97from 4 retailers

APC Smart-UPS X-Series External Battery Pack offers 1200VAh capacity, ensuring extended runtime for connected devices during power outages.

GTIN00731304292562
EAN0731304292562
MPNSMX120BP
Prices updated 7 Jun 2026

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Product Description

Black. Sealed Lead Acid (VRLA). 120 V. 1200 VAh. Easily connect this external battery pack to an existing APC Smart-UPS X to instantly increase the amount of battery runtime to connected devices during a power outage. Please refer to your APC Smart-UPS X manual to confirm compatibility with this external battery back. The battery pack offers easy plug-and-play installation onto an operating APC Smart-UPS, ensuring power availability while runtime capacity is added. Through the APC Smart-UPS’ intelligent battery management and precision charging, the battery pack maintains the UPS system’s performance, reliability, and useful life. The APC battery pack provides scalable runtime to the APC Smart-UPS X, allowing multiple battery packs to be quickly added if the need arises. The battery pack operates equally in tower configuration, standing next to an APC Smart-UPS, or in rack-mount configuration, mounted below the UPS. Package Includes APC SMX120BP External Battery Pack, installation guide, and rack-mounting brackets.. Features. Hot-swap battery. Yes. Battery life. 3 year(s). Battery capacity. 1200 VAh. Battery voltage. 120 V. Battery technology. Sealed Lead Acid (VRLA). Product colour. Black. Certificates. Certification. REACH. Compliance certificates. RoHS. Weight & dimensions. Depth. 483 mm. Height. 178 mm. Width. 432 mm. Weight. 60.9 kg. Packaging data. Package weight. 65.5 kg. Package depth. 633 mm. Package height. 330 mm. Package width. 586 mm. Operational conditions. Non-operating altitude. 0 - 15000 m. Operating altitude. 0 - 3000 m. Storage relative humidity (H-H). 0 - 95%. Operating relative humidity (H-H). 0 - 95%. Storage temperature (T-T). -15 - 45 °C. Operating temperature (T-T). 0 - 40 °C. Logistics data. Harmonized System (HS) code. 85044095. Total carbon footprint (kg of CO2e). 299.69. leaflet. Installation Guide Smart-UPS

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