533-000020 930mah Battery For Logitech 720 880 890 900 3.7v R-ig7 Battery - Mobile Phone Batteries - AliExpress
foone🏳️⚧️ on Twitter: "but if I pull out the battery and measure it with my multimeter, it says very clearly that it has 3.7volts https://t.co/pTOGvaKC3M" / Twitter