Sennheiser DW BATT 03 for DW office and Pro headsets

Genuine Replacement Battery for Sennheiser DW Office and DW Pro wireless headsets.

• DW Office - DW10
• DW Pro1 - DW20
• DW Pro2 - DW30

Sennheiser Part Number: 504374

Beware don't buy cheap cloned batteries.

1. There have been instances of non-genuine batteries over-heating and catching FIRE.
2. A purchaser of a cloned version of this battery has commented "This battery lasted 11 weeks. The battery that came with the headset lasted for over 1 year. This is a lower power version and doesn't work well at all. "
   

This GENUINE battery has:

LI POLYMER
AHB401835TPS

printed in it.

A new battery should last for 8 hours in wideband sound mode and 12 hours in narrowband sound mode, before requiring recharging.

For best performance, it is recommended that these batteries be replaced every 2 years. Or, as soon if you find your headset running out of charge too quickly.