Cycle Life - EnerSys Nexsys 12NXS26 Technical Manual

CYCLE LIFE

The life expectancy of the NexSys® bloc series depends on the application and its duty cycle.
While several factors affect the life of a bloc, cycle life depends primarily on the depth of
discharge (DOD).
10000
1000
100
0 10
Figure 4 – CYCLE LIFE AS A FUNCTION OF DEPTH OF DISCHARGE 10%-80% (C5/C6 RATE)
Depth of Discharge
Table 8 illustrates this relationship between DOD and cycle life from full state of charge.
CYCLES AS A FUNCTION OF DEPTH DISCHARGE
20 30 40
% DEPTH OF DISCHARGE
10%
20%
30%
40%
50%
60%
70%
80%
14
50 60 70
No. of Cycles
8200
4096
2700
2000
1500
1200
900
700
NexSys Technical Manual
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