SOLVED: Looking for replacement battery for Logitech MM50 S-0173A Speakers? - Media Player Accessory - iFixit
Logitech MM50 Battery Replacement
Logitech NTA2335 Battery (Upgraded) for the MM50 & Pure-Fi Anywher – BBM Battery
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: Logitech mm50 Portable Speaker System for iPods (Black) : Electronics
Logitech MM50 , NTA2335 Battery Doctor for Laptop Batteries | Power Tool Batteries| Rechargeable batteries
Amazon.com: Replacement for LOGITECH Pure-Fi Anywhere Speaker 2nd MM50 NTA2335 Battery : Health & Household
Replacement Logitech MM50 Wireless Speaker Battery | Battery Mart