GN 9120 Replacement Battery Kit. Battery Replacement Kit for the GN Netcom 9120 Wireless Headset Series. This kit replaces the "stand-alone" battery that was previously sold as Part #0440-409. Compatible with:

GN Netcom 9120 Wireless headset Flex-Boom (noise canceling)

GN Netcom 9120 Wireless headset Midi-Boom 

GN Netcom 9120 Wireless headset SoundTube Boom 

Key Features:

• Up to 8 hours of continuous talk time.
• 3.7V, 345mA
• Charge one battery while remaining hands-free and mobile with another with the Battery Charger Accessory

Kit Includes:

• 1 Lithium ion battery
• 2 spare retaining screws
• 1 Phillips screwdriver
• 1 Torx screwdriver

For battery replacement instructions see GN Netcom 9120 FAQ, section "Replacing the battery for the 9120"