Energier Apollo User Manual
41
If you want the battery backup time to be longer after power outage or if you want the battery to
have a longer life time, the value needs to be set higher appropriately. The following figure is the
relationship between discharge depth and cycle life of a GEL battery for reference.
Ambient temperature 25°C
The depth of discharge critically affects the number of cycles which a battery will complete during
its life time.
Relationship between depth of discharge and life
Capacity (%)
Life number of cycles
0 1000 2000 3000 4000 5000 6000 7000 8000
100
80
60
40
20
100% D.O.D.
50% D.O.D. 30% D.O.D. 0% D.O.D.