[two_handfuls]

It’s too cold for too long, the electronics get damaged. Note that the lunar night lasts about 14 earth days.

[fnordpiglet]

Sounds like a problem a small pellet of nuclear fuel could resolve even without a reactor.

[two_handfuls]

Sure. That comes with some paperwork, but Mars rovers have nuclear fuel for example.

This may be harder for a commercial lander like this one though.