The Grandstream Battery for WP820 is a high-quality rechargeable lithium-ion battery designed specifically as a replacement or original power source for the Grandstream WP820 portable Wi-Fi phone. With a rated capacity of 1500mAh and a nominal voltage of 3.8V, this battery ensures reliable performance for your device. It offers an impressive talk time of up to 7.5 hours and a standby time approaching 150 hours, providing extended usability between charges. Its compatibility extends to WP820 and compatible models such as WP810 and DP730, making it a versatile choice for users requiring efficient power backup. Crafted to meet the original specifications, this battery guarantees safe and consistent operation, making it an essential accessory for maintaining your communication devices in top condition.

Key Features:

• Rechargeable Li-ion chemistry tailored for WP820


• High capacity: 1500mAh at 3.8V nominal voltage


• Up to 7.5 hours talk and 150 hours standby time


• Compatible with Grandstream WP820, WP810, and DP730 models


• Reliable and safe power source for portable Wi-Fi phones