Battery capacity question...

I am trying to check out estimated battery life for a device using a
MN1604 Duracell alkaline 9V battery.

I understand the capacity is 550mA, but to what voltage level is
implied if this capacity is comsumed?

I can find no info on the duracell website....even the capacity I got
from elsewhere on the web.

.

Relevant Pages

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    ... MN1604 Duracell alkaline 9V battery. ... I understand the capacity is 550mA, but to what voltage level is ... Battery capacity is rated in mA hours. ...
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  • Re: Battery capacity question...
    ... MN1604 Duracell alkaline 9V battery. ... I understand the capacity is 550mA, but to what voltage level is ...
    (sci.electronics.basics)