A:AnswerPlease read "Logitech K750 Keyboard ML2032 to CR2032 battery replacement ("https://www.ifixit.com/Guide/Logitech+K750+Keyboard+ML2032+to+CR2032+battery+replacement/49181). CR2032 and ML2032 are incompatible. Users are highly cautioned to not replace ML2032 with CR2032. Thank you.