Here’s a low budget lantern…
https://budgetlightforum.com/t/review-pretty-good-low-budget-1x18650-lantern/69986
It’s not as good as the Sofirn lanterns, but they’re decent.
I don’t know if Sofirn ships to Ukraine, but at $10 a lantern, it could be worth figuring out.
The Sofirn LT1S lanterns that I got were about $20 a piece, but that was a “crazy sale” price. 
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