![Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71P7NjhAwlL.jpg)
Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics
![Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71FKI-H8bjL.jpg)
Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics
![Logitech MM50 speaker system: removing IR sensor. This sensor is always "on", draining the battery in less than a week. I lost the remote, so I have no need for the sensor. Logitech MM50 speaker system: removing IR sensor. This sensor is always "on", draining the battery in less than a week. I lost the remote, so I have no need for the sensor.](https://i.redd.it/nq94qz4551a41.jpg)
Logitech MM50 speaker system: removing IR sensor. This sensor is always "on", draining the battery in less than a week. I lost the remote, so I have no need for the sensor.
![Amazon.com: XSP 3000mAh Replacement Battery for LOGITECH MM50 Pure-Fi Anywhere Speaker 1st Part NO LOGITECH NTA2479 Parts Battery Batteries : Electronics Amazon.com: XSP 3000mAh Replacement Battery for LOGITECH MM50 Pure-Fi Anywhere Speaker 1st Part NO LOGITECH NTA2479 Parts Battery Batteries : Electronics](https://m.media-amazon.com/images/I/71rRDxFC1UL._AC_UF894,1000_QL80_.jpg)
Amazon.com: XSP 3000mAh Replacement Battery for LOGITECH MM50 Pure-Fi Anywhere Speaker 1st Part NO LOGITECH NTA2479 Parts Battery Batteries : Electronics
![Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics Amazon.com: Replacement Battery for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 Part NO LOGITECH NTA2335 : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71tOGXZ-wmL.jpg)