These all seem fine:

https://www.amazon.com/PowerBear-BATTERY-Battery-T-Mobile-Warranty/dp/B06WW8YMMJ

https://www.amazon.com/BL-44E1F-AexPower-Replacement-Worry-free-Warranty/dp/B01MR3B04S

https://www.amazon.com/JUBOTY-BL-44E1F-Replacement-Charging-Warranty/dp/B07BHFLM5V

I personally own the AEXPower one, and haven't had issues.

I'd prefer to get a spare OEM myself, but given the price straight from LG, (and all the apparent counterfeits floating around prevent me from looking at eBay and Amazon) I can't rationalize it when there are 2x battery kits with a charger that are cheaper.

I'd prefer an Anker, but they don't seem to make a battery for the V20. Not interested in ZeroLemon (bad experiences) and PowerBear doesn't sell a 2x+Charger kit, which leaves YISHDA and JUBOTY based on reviews (here and on Amazon). Which of these two should I go with? Has anybody bought and tried either/both of these?

https://www.amazon.com/Batteries-YISHDA-Replacement-Battery-BL-44E1F/dp/B0722S1T67/ https://www.amazon.com/Battery-JUBOTY-Replacement-BL-44E1F-Warranty/dp/B07BHFLM5V/