Is it cutting off when plugged in and when on battery? This is sometimes due to a poor battery connection or a faulty battery.
I would still install something to check temps though, you never know.
Also you'll want to determine if this is powering down (as in initiated by some software), blue screen, or just a sudden power cut.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…