[ltp] Help needed with choosing the right ThinkPad

[D.T.]

On Tue, 2020-07-28 at 14:54 +0200, Matthias Runge wrote:
> 
> One word of warning though, this machine has two batteries, one
> internal
> and one "standard" notebook battery, which you can replace on your
> own.
> When one of these batteries runs empty, the laptop will shut down. 

I don't know about your 450s, but my x250 (which also has 1 internal &
1 external battery) shuts down after _both_ batteries are depleted.