Winter Storage for Power Tools in Unheated Tin Garage: Drill, Grinder, Miter Saw, Compressor

hello, I have a tin garage, it is not insulated, only the ceiling is insulated with steroids so that water does not condense from it. It stores a lot of power tools, such as a drill, grinder, miter saw, compressor, etc. It has a low winter temperature and my question is whether it is harmful for power tools, I add that the tools are clean, tidy, always cleaned after work, and each is stored in its suitcase separately and lies on its shelf . I take the batteries home, of course, how do you handle winter in your unheated shed tin garage? Take the tools home for the winter. The garage is tight, nothing drips etc.

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Moderator's recommendation: Mirek Z. (07 Jan 2017 01:24)
Please correct the spelling of the post (I have already corrected the title). No capital letters, "Polish" letters, punctuation marks, unnecessary spaces before periods, etc. https://www.elektroda.pl/rtvforum/faq.php - p. 3.1.13.

I keep such things in an uninsulated garage, but also in the gazebo on the plot - I do not move their garage for the winter and I did not have any problems with them because of it. The only problem I had in winter was the start of the power generator, but I solved it in such a way that I start it on gas from the cylinder.

and you keep these tools for a long time, this year I bought a large number of power tools and I do not want to let anything hurt them because I do not have a backyard gas in the compressor is empty Baniak I drained the air

If only you wouldn't start making such cold tools because they could break.

It's not terrible for them to lie down.

I personally know only about safe storage at such a temperature in winter if it can be done and whether it does not hurt them

NiCd and NiMH batteries are exposed to damage by self-discharge ~ 1-3% per day (no one uses long bars in work equipment). So leaving them for the winter and not recharging can end up destroying them.
Akku LiIon / Poli, there is no danger, as long as you charge them before winter (at least for 2/3 capacity) and can winter until spring.

The tools themselves are safe.

You can hold but be careful that the frozen power tool does not start working in a heated room. A frozen device brought into a warm room grows and you need to bring it to you preferably the day before so that the condensed moisture can evaporate.
Of course, take the batteries to your home or basement.
I, with pure respect for the tools - it was not bought with my own - I take them from the garage to the basement and ready for use at any time, as needed.
Once, I quickly grabbed an old cell drill from a garage and wanted to hang a clothes dryer from the ceiling. It took only 4 small holes for expansion plugs and he managed to shoot the capacitor and there was strong sparking around the commutator. I replaced the capacitor and everything is ok, but as a warning for the future it is.