External Battery Module Eaton 9PX EBM 3U 72V Sealed Lead Acid (VRLA) 9 Ah, Black, 440×130×3U, 38.2 kg

Eaton 9PX EBM 3U 72V is an external battery module designed to extend the runtime of compatible UPS systems. The unit uses Sealed Lead Acid (VRLA) battery technology with a nominal voltage of 72 V and a rated capacity of 9 Ah. Packaged in a black 3U rack-mount enclosure, the module measures 440 mm in width and 130 mm in height and is intended for installation in server cabinets or equipment racks where additional backup time is required. The module’s weight is 38.2 kg, reflecting the integrated battery cells and robust metal housing.

Advantages

The Eaton external battery module provides a compact rack-mount form factor that integrates with UPS systems to increase available backup runtime without major changes to rack layout. Using VRLA chemistry ensures sealed, low-maintenance operation and predictable performance under standard operating conditions. The black 3U enclosure simplifies installation into standard 19-inch racks and offers a consistent visual match with professional data center equipment.

Suitable for

• Extending UPS runtime in data centers and server rooms
• Telecommunications sites requiring additional backup power
• Network closets and edge locations where rack-mounted battery modules are needed
• Facilities that use Eaton 9PX series UPS units and compatible external battery modules

Key specifications

• Battery technology: Sealed Lead Acid (VRLA)
• Nominal voltage: 72 V
• Capacity: 9 Ah
• Form factor: 3U rack-mount enclosure
• Width: 440 mm
• Height: 130 mm
• Colour: Black
• Weight: 38.2 kg

How to use

Install the Eaton 9PX EBM 3U 72V into a standard 19-inch rack at the recommended position for external battery modules, following the UPS manufacturer’s installation guide and safety instructions. Connect the module to the compatible Eaton 9PX UPS or other supported UPS model using the designated battery connection cables and terminals. Ensure all connections are secure and that the UPS is powered down or placed into the recommended maintenance state before making battery connections. After installation, verify that the UPS recognizes the external battery module and monitor runtime and charge status through the UPS management interface.

Usage recommendations

Place the module in a well-ventilated, temperature-controlled cabinet and avoid exposure to excessive heat, moisture, or corrosive environments. Regularly inspect mounting hardware and electrical connections, and follow Eaton’s maintenance intervals for VRLA batteries. For safety, handle the module with appropriate lifting equipment or team lifting due to its weight of 38.2 kg.