Cisco Webex Wireless Phone 840 Manual page 7

Phone Setup
• If both a phone and battery are in a desktop charger, the phone takes priority. So it may take longer to
Note
Charge your phone batteries in an ambient temperature of 50–86°F (10–30°C) for the best results. If you
charge the batteries outside of this temperature range, it may result in longer charge times or incomplete charge
cycles.
Store the batteries in dry conditions at approximately 65° F (20° C).
Caution Don't let the main battery or the internal battery of your Webex Wireless Phone 860 or 860S fully deplete for
extended periods. If you must store the phone or battery for longer than one month, then we recommend that
you recharge them every six months. Never store a phone without the main battery for longer than one month.
Related Topics
Charge the Battery with the AC Power Supply
If you don't have a desktop charger or multicharger, you can charge your phone battery using the USB cable
and AC power adapter.
Caution
Use only the approved USB cable and power adapter for the Webex Wireless Phone 840 and 860.
Procedure
Step 1 Plug the USB cable into the bottom of the phone with the pins aligned.
Step 2
Plug the USB cable into the power adapter.
Step 3 Plug the power adapter into the electrical outlet.
Related Topics
Charge the Battery with the USB Cable and a USB Port on Your Computer
If you don't have a desktop charger, multicharger, or USB and AC power adapter, you can charge your phone
with a USB cable and computer. However, this method takes more time to charge your phone than the other
methods.
charge the battery.
Charge the Battery with the AC Power
Charge the Battery with the USB Cable and a USB Port on Your
Desktop Chargers
Multichargers
Cisco Accessory Part Numbers
Charge the Battery with the AC Power Supply
Supply, on page 7
Computer, on page 7
Phone Setup
7