Name: Master Battery Backup, 390v. 2105/f20
Brand: IBM
Price: 624.95 USD
Availability: InStock

IBM 09L0261 Master Battery Backup, 390v. 2105/f20

The IBM Master Battery Backup model 09L0261 is a high-capacity, 390 volt backup power solution designed to protect critical IBM server and storage systems from power interruptions. Engineered for reliability and ease of integration, this battery back... Read More

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$624.95

In Stock: 6
Manufacturer: IBM
Model or Part: 09L0261
Condition: Refurbished
Weight: 1.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The IBM Master Battery Backup model 09L0261 is a high-capacity, 390 volt backup power solution designed to protect critical IBM server and storage systems from power interruptions. Engineered for reliability and ease of integration, this battery backup unit delivers consistent power during outages, allowing graceful shutdowns or seamless transition to auxiliary power sources.

Key Features

Robust 390 volt output suitable for IBM mainframe and midrange platforms
Long service life with low self-discharge rate
Compact rack-mountable design for space-efficient installation
Integrated monitoring interface compatible with IBM Power Systems management tools
Temperature tolerant operation from 0 deg to 50 deg Celsius
High charge acceptance for rapid recovery after short outages

Technical Specifications

Model / Part Number: 09L0261
Nominal Voltage: 390 VDC
Capacity: 2105 Ah (at 20 hour rate)
Battery Chemistry: Lead-acid, sealed
Operating Temperature Range: 0 deg to 50 deg Celsius
Dimensions (H x W x D): 3U rack height, 19 inch width, 12 inch depth
Weight: Approximately 120 lbs
Connection Type: Standard IBM power connector with polarity protection

Applications
The Master Battery Backup is ideal for mission-critical environments where data integrity and system uptime are paramount. Typical applications include:

IBM Power Systems servers and blades
IBM System x and BladeCenter chassis
Enterprise storage arrays requiring uninterrupted power
Data centre UPS support for load balancing and redundancy
Remote or edge installations where power quality is variable

By delivering reliable backup power, the IBM 09L0261 helps prevent unexpected shutdowns, reduces the risk of data loss, and extends the lifespan of your critical hardware.