Battery Information - Grandstream Networks WP820 Administration Manual

Handset
Please refer to the following steps in order to setup your WP820:
1. Open the battery cover.
2. Insert the battery with the electrodes in the bottom left corner.
3. Close the battery cover.
Note
Please charge the battery fully before using the handset for the first time. (For more information about the battery, please refer
to Battery Information.

Battery Information

Technology: Rechargeable Li-ion Battery
Voltage: 3.8V (Nominal Voltage 3.8V / Limited charge Voltage: 4.35 V)
Capacity: 1500mAh
Standby time: up to 150 hours
Talk time: up to 7.5 hours' active talk time
In order to get the best performance of your WP820, we recommend using original battery provided in the package. The
specifications may differ depending on the age and capacity of the battery used.
Note
WP820 Wi-Fi phone generates a warning tone when device's battery level becomes 15% and 5%.
WP820 auto boots up once placed on charger when device was powered off abnormally (Battery too low, battery removed
suddenly, etc..).
Important Note
Figure 2: Charging Station
Figure 3: WP820 Handset Setup