[shortdesc]

120V, 1200 VAh capacity, Lead-Acid battery, 4U Rack/Tower design, Compatible with APC Smart-UPS X Series

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[properties]

Brand	APC by Schneider Electric
Model	SMX120BP
Product Type	Smart-UPS X External Battery Pack
Form Factor	Rack/Tower 4U
Dimensions (H x W x D)	17.01" x 7.01" x 19.02" (43.2 x 17.8 x 48.3 cm)
Weight	134.28 lb (60.91 kg)
Color	Black
Number of Rack Units	4U
Mounting Mode	Rack-mounted

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[specifications]

Battery Type	Lead-Acid
Battery Voltage	120 V
Battery Blocks per String	10
Device Mounting	Enclosed battery cartridge
RBC Quantity	2
Replacement Battery	APCRBC143 / APCRBC143US
Included Battery Modules	0
Operating Temperature	0–40 °C (32–104 °F)
Storage Temperature	-15–45 °C (5–113 °F)
Operating Humidity	0–95% non-condensing
Storage Humidity	0–95% non-condensing
Operating Altitude	0–10,000 ft
Storage Altitude	0–50,000 ft
Compliance	EU RoHS, REACh, WEEE, California Proposition 65
Warranty	2 years repair or replace

[/specifications]

[accesories]

Installation Guide	Included in the box
Rack Mounting Brackets	Included in the box

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APC SMX120BP - Smart-UPS X External Battery Pack 120V 1200VAh Rack/Tower 4U

The APC SMX120BP external battery pack enhances Smart-UPS X systems by providing 120V and 1200 VAh of scalable runtime. Designed in a 4U rack/tower form factor, it integrates seamlessly into enterprise IT environments requiring extended backup for servers, storage, and network hardware.

Key Features & Benefits

• 1200 VAh Capacity: Provides scalable runtime for demanding UPS deployments.
• Lead-Acid Battery System: Proven, reliable energy storage technology for consistent performance.
• 4U Rack/Tower Design: Flexible installation options for varied IT environments.
• APC Smart-UPS X Compatibility: Extends runtime for compatible UPS systems with ease.

Technical Deep Dive

The SMX120BP connects directly to APC Smart-UPS X units, enabling extended runtime without disrupting ongoing operations. Its 120V, 1200 VAh design supports critical workloads by ensuring that power availability can be tailored to infrastructure requirements.

Internally, it employs a lead-acid battery architecture arranged in enclosed cartridges for serviceability and safe operation. Each unit is designed to work with two replacement battery cartridges (APCRBC143), offering a practical path for long-term maintenance.

The 4U rack/tower configuration provides deployment flexibility, allowing IT teams to optimize space in both data centers and smaller server rooms. Combined with APC’s robust UPS ecosystem, it ensures reliable power continuity in high-demand scenarios.

Ideal Applications

• Data centers requiring scalable UPS runtime
• Network closets supporting critical switches and routers
• Server infrastructure and storage systems
• Enterprise IT environments with extended uptime needs

Frequently Asked Questions (FAQs)

Q1: How is the SMX120BP installed?
A: It supports both rackmount (4U) and tower configurations with provided brackets.

Q2: What performance can I expect?
A: It provides 1200 VAh of battery capacity. Actual runtime depends on the attached UPS model, load, and battery condition.

Q3: How is it maintained?
A: The unit uses APCRBC143 replacement cartridges, making battery replacement straightforward for long-term operation.