I'm using my laptop at home with battery removed and only connected to the AC power. However I'm lacking the mobility as my power cord is kinda short. Is it safe from electrical point of view to plug in the battery while the laptop is connected to AC and disconnect the AC power afterwards?
What about the opposite side of the question - is it safe (or what the damage could be) if you work on battery, plug in the AC and unplug the battery?
If there are differents for different models of laptops, I'm asking about IBM Lenovo T60. Is there such thing as a 'hot-plug battery'?
Answer
Most laptops have hot-plug batteries, which allows you to go to line power for a few moments so that you can swap out your nearly-dead battery for your fully-charged spare. I see Lenovos as being no exception to this.
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