linux-kernel - Re: 8 hours of battery life on thinkpad x60

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Date:	Mon, 18 Sep 2006 09:44:54 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Pavel Machek <pavel@....cz>
cc:	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 8 hours of battery life on thinkpad x60

>I did a presentation about getting 8 hours of runtime out of common
>notebooks. You can get it at

So if I use an uncommon notebook with an uncommon battery (SONY 
PCGA-BP3U - 59070 mWh - 7 hours average) how much more am I supposed to 
get?

# cd /proc/acpi/battery/BAT1
# cat info
present:                 yes
design capacity:         59940 mWh
last full capacity:      59070 mWh
battery technology:      non-rechargeable
design voltage:          11100 mV
design capacity warning: 0 mWh
design capacity low:     120 mWh
capacity granularity 1:  0 mWh
capacity granularity 2:  10 mWh
model number:
serial number:
battery type:            LION
OEM info:                Sony Corp.
# cat state
present:                 yes
capacity state:          ok
charging state:          discharging
present rate:            8029 mW (currently WLAN + Webradio)
remaining capacity:      46320 mWh
present voltage:         11826 mV

Jan Engelhardt
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