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Battery Replacement
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NXA-UPS1500 Uninterruptible Power Supply
Battery Replacement
Overview
1. When the Battery Replacement LED (Red) lights up, you may leave the UPS to be re-charged for at
least 8~10 hours to see whether the Red LED will be extinguished after the Self-Test function is
executed again.
2. In case the Red LED remains unchanged, you may unscrew the Hot Swappable Battery cover to
replace a new battery, then press the “On” Switch to disable the Red LED.
Assembling the Battery Pack
The UPS battery needs to be assembled before installation: the battery pack consists of four individual
batteries, a connector wiring package (one large wire harness with two black and two red wires attached
to a four-pin connector and two separate red wires), and the aluminum battery case components.
Refer to the Assembling the Battery Pack section on page 7 for details on wiring the Battery Pack.
Replacing the UPS Battery - Step One
Remove the Release Tabs on the front panel (FIG. 21):
Once the battery is disconnected, the loads are not protected from power outages.
FIG. 21 Replacing the Battery - Step 1