Logitech Harmony One Battery - Replacement for Logitech Universal Remote R-IG7 Battery (950mAh, 3.7V, Lithium-Ion) - Walmart.com
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