[ltp] Re: tp_smapi 0.09 (dual battery, extended status support)

Paul Ionescu linux-thinkpad@linux-thinkpad.org
Thu, 15 Dec 2005 21:55:07 +0200


On Wed, 14 Dec 2005 01:42:53 +0200, Shem Multinymous wrote:

> On 12/13/05, Paul RIVIER <paul.rivier@eleve.emn.fr> wrote:
>> On my T42, I have 2 batteries, the normal one plus the ultrabay one.
>> Considering that the default (hardware ?) policy is to completely
>> discharge the ultrabay first then the normal battery, my ltrabay battery
>> is totaly discharged very often. As discussed many times on this forums,
>> that arms it and it's lifetime went from 25Wh to 19 Wh in 4 months.
> 
> Yes, that's pretty silly of them, isn't it? Also, one use of the Ultrabay
> battery could have been as backup when hotswapping the system battery.
> 
> 
>> That is why I tried to find a way to switch the normal battery to power
>> the laptop as soon as the ultrabay runs short, lets say 10% remaining.
>> As I never need the full battery life (more than 5h now thanks to
>> lowering voltages), this policy would prevent both batteries from
>> getting totaly empty.
>>
>> Can SMAPI give me this choice ?
> 
> Probably yes. But I haven't figured out the relevant interfaces, and I
> won't be able to do so without an Ultrabay battery.
> 
>   Shem

How about giving you an ssh account on a R50p with has both batteries ?
Is it any help to you ?