I just bought a new 8800 mAh battery for my VAIO PCG-7N2L laptop, but it's not recognized by ubuntu and won't boot while the battery is actually attached. I had to replace it because the 4800mAh battery crapped out on me.
acpi 1 returns
cat /proc/ACPI/battery/BAT0/info returns
Battery 1: discharging, 100%, rate information unavailable.
cat /proc/acpi/battery/BAT0/state returns
design capacity: 655350 mWh
last full capacity: 655350 mWh
battery technology: non-rechargeable
design voltage: 655350 mV
design capacity warning: 1000 mWh
design capacity low: 400 mWh
capacity granularity 1: 100 mWh
capacity granularity 2: 100 mWh
battery type: LiOn
OEM info: Sony Corp.
uname -a returns
capacity state: ok
charging state: discharging
present rate: unknown
remaining capacity: 655350 mWh
present voltage: unknown
Linux laptop 2.6.24-24-generic #1 SMP Fri Sep 18 16:49:39 UTC 2009 i686