If the Replace Battery indicator lights again after completing the test, then the battery must be replaced. Contact our customer service for information on replacing your battery. Note: The Battery Backup should not be used as a master on off switch. Doing so may cause a premature replace battery LED.
The Replace Battery LED is a WARNING that the battery may be near the end of. If the unit still emits this tone, it is an indicator that the UPS was permanently .
The red 'Replace Battery' light is on my APC UPS, what does this mean?. UPS systems usually provide enough backup time to ride out brief power .
For safety, the Back-UPS ES is shipped with one battery wire disconnected. The Back-UPS. Battery Backup. indicator confirms that Back-UPS ES is on and.