44 Power Panel User's Manual
Power Panel • Changing the Battery
Example 2: Switching a Load
13. Changing the Battery
13.1 Battery Data
13.2 Buffer Duration
B&R recommend changing the batteries after five years of operation.
Figure 24: Switching a load
Lithium Battery 3 V / 950 mAh
Model Number 0AC201.9 (5 lithium batteries)
Storage Time Max. 3 years at 30 °C
Relative Humidity 0 to 95 % (non-condensing)
Table 23: Battery data
Buffer Current Panel CPU
Typical 10 µA
Maximum 200 µA
Table 24: Buffer duration
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