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Rectangular sealed battery pack, black plastic casing, two terminals on top, 5.94 by 2.56 by 3.66 inches

BatteryJack inc.

BatteryJack inc. 12V 9.0Ah UPS Replacement Battery

SKU CH-H2M5-PH54F

A 12 V, 9.0 Ah AGM replacement cartridge with T1/T2 terminals that fits APC Back-UPS and Smart-UPS models from 200 VA to 600 VA

  • Higher 9.0 Ah capacity extends backup runtime over standard 7.5 Ah cells
  • Advanced AGM technology delivers maintenance-free sealed operation with 4–7 year expected life
  • Direct 100 % OEM-compatible fit for APC Back-UPS and Smart-UPS models listed
  • Compact 5.94 × 2.56 × 3.66 in size drops into existing battery trays
  • Dual T1/T2 terminals ensure secure polarity-matched connections without adapters

Compatible APC UPS Models

This replacement battery fits a wide range of APC Back-UPS and Smart-UPS units including the Back-UPS 250B, 300, 350, 400, 500 and Pro 280, 350, 420, 500 series. It also supports AP330, AP360 and AP600 models. The cartridge uses T1/T2 terminals for a direct drop-in installation. It restores runtime to your existing uninterruptible power supply without modification.

Capacity Upgrade From 7Ah Units

Many original APC cartridges shipped with 7Ah or 7.5Ah cells. This pack increases capacity to 9.0Ah using advanced AGM technology, delivering longer backup time in the same footprint. The jump is worthwhile when your current batteries no longer hold a full charge or when you need extended runtime for critical loads during outages. The sealed design remains maintenance-free throughout its service life.

Check Terminal Type And Physical Space

Verify that your UPS uses T1 or T2 terminal connectors before ordering. Confirm the battery compartment can accommodate the cartridge dimensions of 5.94 length, 2.56 width and 3.66 height. Ensure your specific APC model appears in the supported list above. No tools or firmware updates are required for installation.

Highlights

  • Higher 9.0 Ah capacity extends backup runtime over standard 7.5 Ah cells
  • Advanced AGM technology delivers maintenance-free sealed operation with 4–7 year expected life
  • Direct 100 % OEM-compatible fit for APC Back-UPS and Smart-UPS models listed
  • Compact 5.94 × 2.56 × 3.66 in size drops into existing battery trays
  • Dual T1/T2 terminals ensure secure polarity-matched connections without adapters

Specifications

No published specifications for this item yet.

Questions about this item

What are the physical dimensions and terminal type required for this battery to fit my UPS?

The battery measures 5.94 inches long, 2.56 inches wide and 3.66 inches high, and uses T1/T2 terminals for connection.

How do I install this replacement cartridge in an APC Back-UPS 500, and what step is commonly missed?

Power off and unplug the UPS, open the battery compartment, disconnect the old pack noting polarity, connect the new pack matching red to positive and black to negative, then close the cover before restoring power.

When will this 9.0 Ah AGM battery need replacement under normal use?

Expected service life is four to seven years; plan to replace the pack once runtime drops noticeably or the UPS signals a battery fault.

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