Battery Bank for ULT-P3KRT, ULT-P3KRTBB

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Capacity: 12V / 9Ah
Quantity: 12 pieces
Chemistry: Lead-acid
Compatibility: For ULT-P3KRT
Rack Height: 2U

• Connect up to three external battery banks

This external battery bank was specially designed for the UltimaPro RT 3kVA model, # ULT-P3KRT, to offer additional backup time than the standard model. Connect up to three external battery banks to keep mission critical equipment online during power outages.


Compatible With


Main Features
Extendable Runtime
Extend the battery runtime to keep mission critical equipment online. This is especially important if installed in a location with frequent blackouts or unstable power conditions. Connect up to three external battery banks to maximize available runtime.

Anderson Connectors
Easily connect the battery battery banks and to the UPS with Anderson connectors instead of hardwiring.

WARNING: The batteries, battery posts, terminals, and related accessories in this product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. Wash hands after handling. For more information, go to
Chemistry Sealed lead-acid
Size 12V / 9Ah
Quantity 12 (6 pieces * 2 strings)
Rated Battery Voltage 72Vdc
Max Battery Bank Maximum 3 battery banks can be used with each ULT-P3KRT UPS
Battery Connector Anderson type
Color Black
Form Factor Rack / tower convertible
Rack Height 2U
Product Dimensions (DWH) 24.8 x 17.2 x 3.5 in / 630 x 438 x 88 mm
Product Weight 90.8 lb / 41.2 kg


Product specifications are subject to change without further notice. Maruson assumes no responsibility, and disclaims all liability, for any damages that may result from the use of this information or for any errors or omissions. Battery backup time varies with equipment, configuration, battery age, temperature, etc.

Can I use this battery module with other UltimaPro RT models?
This battery module is only compatible with ULT-P3KRT UPS. Other UltimaPro RT models have different battery voltages and battery connectors. Battery connectors should never be modified for use with another UPS either.


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