American Power Conversion 420/520 VA user manual Battery Replacement, Storage and Maintenance

5: STORAGE AND MAINTENANCE

Storage

Store the UPS covered in a cool, dry location, with the battery fully charged.

At -15 to +30 ° C (+5 to +86 ° F), charge the UPS battery every six months.

At +30 to +45 ° C (+86 to +113 ° F), charge the UPS battery every three months.

Battery Replacement

The UPS battery life differs based on usage and environment. Consider replacing the battery every three years.

This UPS has an easy to replace, hot-swappable battery. Replacement is a safe procedure, isolated from electrical hazards. You may leave the UPS and connected equipment on during the replacement procedure. See your dealer or contact APC (see Contact Information) for information on replacement batteries.

Note: Upon battery disconnection, equipment is not protected from power outages.

￿	￿ Disconnect the battery wires.
	Bottom of unit

￿ Connect the new battery by matching red and ￿ black wires and connectors. Note: Small sparks at

the point of battery connection are normal.

Be sure to deliver the spent battery to a recycling facility or ship it to APC in the replacement battery packing material.

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