YX805 - Solar Charge Controller?

I found this little IC on eBay and thought it looked interesting.

Items used in this video:
YX805: https://ebay.to/2xSCGMe
NiMH Cell: https://ebay.to/2Ni7NFT
Inductor Selection: https://ebay.to/2zN5My7
Straw Hat White LED: https://ebay.to/2P5rjr8
Strip Board: https://ebay.to/2xUMRjB
Project Box: https://ebay.to/2O1M62c

Видео YX805 - Solar Charge Controller? канала Adam Welch