User's Manual

IP54Enclosure Rating
Charging the T1
The T1 battery is designed to be charged either while still seated in the device or separately in a Vocollect
charger.
Note: A fully depleted T1 battery requires 4.5 to 5 hours to charge.
T1 Batteries Specifications
Electrical Specifications
Cells: The battery pack uses one lithium ion cell.
Nominal voltage = 3.7V
Watt Hours = 7.3WHr
Protection circuit characteristics: The pack contains a protection circuit that prevents over and under
voltage conditions on the cells and protects the pack from damage as a result of a short circuit between
the positive and negative terminals of the battery.
The battery pack contains custom electronics for temperature measurement.
Battery Charging: The battery pack must be charged only in a Vocollect designated charger.
Mechanical and Environmental Specifications
Drop-test specifications: The battery meets the transient drop criteria.
Environmental specifications: The battery pack halves are sonically welded together to protect the
internals from water and dust. The battery functions properly in the following conditions:
Operating Temperature: 0°C to 50°C (32°F to 122°F)
Storage Temperature: -40°C to 70°C (-40°F to 158°F)
Humidity: 95% non-condensing
Rain/dust: IP54
Battery Notifications
Battery warnings for a Talkman battery occur at the following levels:
First warning = 3,550 mV
Critical warning = 3,350 mV
Charging a T1 Battery in a Device
1. Remove the device from the holster.
2. Disconnect the headset from the device.
3. Insert the device into an open slot on the charger.
4. After the device has been placed into the charger, make sure that the LED indicator on the device
turns on and is green.
a) If the LED does not turn on after 30 seconds, remove the device from the charger slot and then
place it into the slot again.
Confidential: For informational use by Vocollect Resellers and customers only
92 | Vocollect Hardware Documentation