4 Maintenance and inspection
4-2 Replacing the battery
BL50T/BL75T/BL100T
51
4
temperature exceeds 25 degrees Celsius, the battery life counter is incremented quickly.
Important notice
The battery used in the UPS has a limit. The life of the battery varies depending on
your storage/use environment and backup frequency.
●
As the battery life comes closer to its end, the battery deteriorates more rapidly.
Be careful.
●
The storage condition also affects the deterioration of the battery. As the storage
temperature becomes higher, the battery life becomes shorter. Be careful.
■
Battery check schedule and frequency
Ambient
temperature
6-month inspection
1-month inspection
40 degrees Celsius For the first 3.5 years from
the date of purchase
After 3.5 years from the
usage start date
30 degrees Celsius For the first 5 years from the
date of purchase
After 5 years from the usage
start date
25 degrees Celsius For the first 6 years from the
date of purchase
After 6 years from the usage
start date
