Sorry for the long title. I have a Lenovo Thinkpad T430s with an Ultrabay battery and a main one. When I plug in the two batteries, it will start draining my Ultrabay battery until it drops all the way down to 0% until switching to the main battery. However, I want to keep the discharge within reasonable limits - 10~15% of capacity - before switching to the main battery. I want to enjoy more capacity without having to physically remove my ultrabay battery in order to preserve it.
According to http://www.thinkwiki.org/wiki/Tp_sma...pecific_status, Ivy bridge Lenovo do not support tp_smapi which is used to implement a script called tp-bat-balance (http://www.thinkwiki.org/wiki/Talk:Code/tp-bat-balance) that balances the usage of both batteries. I have installed tlp from http://linrunner.de, which allows some tweaking to the minimum and maximum charging thresholds, but not to the min discharging thresholds for the ultrabay battery.
Has anyone found a workaround this?
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