This 3.7V 1750mAh Li-ion rechargeable battery is specifically designed for Cisco 8821 and 8821-EX Wireless IP Phones. Delivering reliable power and extended battery life, this replacement ensures optimal device performance for demanding communication environments. With up to 12 hours of voice calling and 240 hours standby time, this battery is ideal for professional usage where uninterrupted operation is crucial.
PRODUCT FEATURES:
Voltage: 3.7V
Capacity: 1750mAh
Battery Chemistry: Lithium Ion
Standard Voltage: 4.35V Max
COMPATIBLE MODELS:
Cisco 8821 Wireless IP Phone
Cisco 8821-EX Wireless IP Phone
Note: Actual battery life may vary depending on environment, scan mode, and Bluetooth usage.
CUSTOMER QUESTIONS & ANSWERS
Q: IS THIS BATTERY COMPATIBLE WITH BOTH CISCO 8821 AND 8821-EX?
A: Yes, it is compatible with both Cisco 8821 and 8821-EX Wireless IP Phones.
Q: WHAT IS THE BATTERY LIFE?
A: It offers up to 12 hours of voice calling and up to 240 hours of standby time under optimal conditions.
Q: DOES THE BATTERY SUPPORT BLUETOOTH FUNCTIONALITY?
A: Yes, it supports devices with Bluetooth, though actual performance may vary based on usage.
Q: WHAT IS THE CHEMISTRY OF THIS BATTERY?
A: It is a high-quality Lithium-Ion battery.
Q: HOW MANY BATTERIES ARE INCLUDED IN THE PACKAGE?
A: The package includes 2 rechargeable battery packs.