FYI, the MaxxxJuice batteries are expected to be back in stock on March 31, and they are taking pre-orders now.

And at least for those in the U.S., according to amazon.com, the Perfine 4100 mAh battery will be back in stock on March 7 while the SHENMZ battery is back in stock now.

https://www.amazon.com/Upgraded-BL-44E1F-Li-Polymer-Replacement-Warranty/dp/B07RMXHFB8/ref=sr_1_3?crid=3QMAZ358RXUAJ&dchild=1&keywords=lg+v20+ls997+battery&qid=1587998366&sprefix=lg+v20+ls%2Caps%2C192&sr=8-3