On Sep 14, 2004, at 9:44 AM, BobGir wrote:
How can I find out the capacity of my laptopıs battery? Batteries remain a bit of a mystery to most laptop users, but if you are running Mac OS X, thereıs a Unix command that will tell you your batteryıs current capacity. Open the Terminal (Applications > Utilities) and type in the following: loreg -I grep -i lOBatteryinfo
Saw this in www.mac-hints-tips.com, but when I follow the directions, there
is no result produced in my Terminal. How about in yours???
As you had it, no, I didn't get anything. I suspect the problem was that you didn't copy/paste, but rather re-typed, and ended up switching some lowercase L for an uppercase I, and skipped the pipe (the "|" before "grep") entirely.
However, when I changed it to this
ioreg -l | grep -i IOBatteryInfo
Note that is "ioreg" where the first character is an 'i' not a lowercase L
followed by a dash and then a lowercase L and then a pipe (over the ENTER key on my PB)
I think you also had a lowercase L for the first character of "lOBatteryInfo" when it was a capital 'i' instead.
When I made those changes, then I got the following:
| | | | "IOBatteryInfo" = ({"Capacity"=4264,"Amperage"=1688,"Current"=575,"Voltage"=10758,"Flags"= 4})
Terminal is very fussy about that sort of thing.
Also note that the "-i" flag to 'grep' tells it to ignore case. When your command didn't work, the first thing I did was change it to "batteryinfo" instead.
You might also be interested in seeing the entire output. Try this:
ioreg -l | open -f
again that middle character is a pipe. That will show the entire output and open it in TextEdit, which may be easier to read.
TjL
ps - that reading was taken with about 11% of my battery remaining, running while NOT plugged in, FWIW.
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