What is the battery operating life of my transmitter or receiver?
Charging time depend on model and frequency of use. The table below outlines what you can expect with your model on a frequent use basis:
| SD-1225E, SD-1825E | |
| Transmitter | 40 to 60 hours |
| Receiver | 40 to 60 hours |
| DSL-400-19 | |
| Beeper | 60 to 100 hours |
