[ltp] poll: how is your battery? (9-cell-battery lost about 25% capacity in 10 months)

[James Knott]

Christopher Sawtell wrote:
> On Mon, 11 Jul 2005 23:14, David Tansey wrote:
>>how do you test this? i'd like to know what my x40's 8-cell holds.
> This out of a R40 which is two years and 5 months old.
> chris@imogen chris $ cat /proc/acpi/battery/BAT0/info
> present:                 yes
> design capacity:         57600 mWh
> last full capacity:      37320 mWh
> battery technology:      rechargeable
> design voltage:          14400 mV
> design capacity warning: 1866 mWh
> design capacity low:     200 mWh
> capacity granularity 1:  1 mWh
> capacity granularity 2:  1 mWh
> model number:            IBM-02K7054
> serial number:             147
> battery type:            LION
> OEM info:                SANYO
> chris@imogen chris $ cat /proc/acpi/battery/BAT0/state
> present:                 yes
> capacity state:          ok
> charging state:          charged
> present rate:            0 mW
> remaining capacity:      37130 mWh
> present voltage:         16649 mV
> 
> The KLaptop daemon says it is 99% charged.
> I get about very approximately 2 - 2:30 hours on battery.
> The bios is set for economy, and I have have the cpufreq_ondemand loaded.
> ibm-acpi-0.11 is loaded and running.

Here's what I get with my 3 year old R31.

present:                 yes
design capacity:         48000 mWh
last full capacity:      48000 mWh
battery technology:      rechargeable
design voltage:          14800 mV
design capacity warning: 1454 mWh
design capacity low:     480 mWh
capacity granularity 1:  974 mWh
capacity granularity 2:  46546 mWh
model number:            ANA
serial number:           110
battery type:            LION
OEM info: