This 3.7V 180mAh Li-Polymer battery is a compatible replacement for Sennheiser DW20. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Included: One replacement battery pack.
Battery specifications
| Voltage | 3.7V |
| Capacity | 180mAh |
| Chemistry | Li-Polymer |
| Energy | 0.67Wh |
| Dimensions | 37.00 x 17.70 x 4.77mm |
| Battery weight | 4.9g /0.17 oz |
Replacing your Sennheiser DW20 battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
Sennheiser D10, DW10, DW20, DW30, Pro 1, Pro 2, DW Pro1, DW Pro2, SD Pro1, SD Pro2, DW Pro 1, DW Pro 2, DW-Reihe, MB Pro 1, MB Pro 2, DW Office, DW Pro 30, SD Office, DW Pro2 ML, DW SD Pro1, SD Pro1 ML, SD Pro2 ML, DW Office ML, OfficeRunner, SD Office ML, ADAPT 230 Mono
Replacement battery numbers
Sennheiser 504374, BATT-03