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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
for Logitech Harmony One 720 780 785 880 885 890 900 R-IG7 Battery 2yr warranty | eBay
Amazon.com: Logitech Li-ion Battery for Harmony Remote ONE 880 890 720 : Electronics
533-000020 930mah Battery For Logitech 720 880 890 900 3.7v R-ig7 Battery - Mobile Phone Batteries - AliExpress