02-14-2018 12:23 PM
To preserve Battery life should I remove the battery from the laptop (P51) when it is running long term in a docking station?
Solved! Go to Solution.
02-14-2018 04:18 PM
No. There is a configurable charge threshold (default value is fine), and battery charging will not start until the battery self-discharges below that.
02-15-2018 08:04 AM
02-15-2018 11:14 AM
From personal experience, in my 2 years old P70, turned on pretty much 24/7, and staying in the docking station 60% of the time, battery degraded to 85Wh from 96Wh after 250+ cycles.
IMO, with batteries like this, and considering it's easily replaceable w/o tools, any battery-preserving tricks aren't worth the trouble.
02-16-2018 05:28 AM
If you don't need to use the battery, leave it at 40% State of Charge and plug it out. Heat destroys batteries.
It also ultimately depends on the temperature of your working environment TBH. If I am working in a room that's usually 33 degrees, I can see from Lenovo Power Manager that my battery goes as high as 40 degrees. Yet in an air-conditioned room at about 23 degrees the battery's max temp is about 32. Nonetheless it's no good subjecting your battery to charge-discharge cycles unnecessarily.