Based on https://www.thingiverse.com/thing:2243863
I decided to make the autonomous version.

You will need:

1. 18650 Battery
2. TP4056 like this - https://ru.aliexpress.com/store/product/Smart-Electronics-5V-Micro-USB-1A-18650-Lithium-Battery-Charging-Board-With-Protection-Charger-Module-for/1757110_32500042672.html?spm=a2g0v.12010612.8148356.49.32691f093Xtpuz
3. MT3608 DC-DC like this - https://ru.aliexpress.com/item/MT3608-DC-DC-Booster-Boost/32879766776.html?spm=a2g0s.9042311.0.0.274233edEyvLxK
4. Switch like this - https://ru.aliexpress.com/item/KCD1-ON-OFF-3-Pin-21/32917249605.html?spm=a2g0v.search0604.3.16.6a5259a78rdZ5a&transAbTest=ae803_5&s=p&ws_ab_test=searchweb0_0%2Csearchweb201602_7_10065_10068_319_317_10696_453_10084_454_10083_10618_10307_10301_537_536_10059_10884_10889_10887_321_322_10915_10103_10914_10911_10910%2Csearchweb201603_52%2CppcSwitch_0&algo_pvid=828a0ecb-69c9-4464-8d4e-fff607c2dbed&algo_expid=828a0ecb-69c9-4464-8d4e-fff607c2dbed-2
5. M4 30 mm bolt and flanged nut x4
6. M3 12mm bolt
7. M5 30mm bolt