SONNET 2 Hands-On: Using Rechargeable Batteries | MED-EL - YouTube
SONNET 2 Audio Processor
SONNET Hands-On: Using Rechargeable Batteries—MED-EL - YouTube
Everything You Need to Know About SONNET Rechargeable Batteries - MED-EL Professionals Blog
Remote control (Maestro Sonnet)
SONNET 2 Hands-On: Using Rechargeable Batteries | MED-EL - YouTube
SONNET 2 Audio Processor
MED-EL - You asked for longer battery life and we listened. With up to 17 hours of power from a single charge, the Rechargeable Battery Max makes your SONNET series audio processor
FDA Approves Rechargeable Battery Options for MED-EL's SONNET Audio Processor
SONNET Hands-On: Replacing the Batteries—MED-EL - YouTube
SONNET 2 Audio Processor
Battery Options to Suit Your Lifestyle With SONNET 2 - The MED-EL Blog
SONNET 2 Audio Processor
Rechargeable Battery MAX charging cycles - SONNET 2 - Hearpeers Forum