Rechargeable battery Grandstream GS-01 1500mAh for WP810 WP820 DP725 DP730

Replacement rechargeable battery Grandstream GS-01 1500mAh is designed to restore and extend the operating time of compatible Grandstream portable handsets. This battery provides a rated capacity of 1500mAh and is compatible with Grandstream WP810, WP820 and DP725, DP730 models. It fits as a direct swap for the listed models and is intended for voice calls and basic data functions, enabling continued use of cordless VoIP devices in office and field conditions.

Advantages

The Grandstream GS-01 battery offers a compact form factor and rated 1500mAh capacity, providing a reliable power source for extended handset operation. As a direct replacement for WP810, WP820, DP725 and DP730 models, it simplifies maintenance and reduces device downtime. The rechargeable chemistry ensures repeated charging cycles and stable voltage output suitable for the specified Grandstream devices.

Suitable for

• Replacing depleted batteries in Grandstream WP810 and WP820 handsets
• Replacing depleted batteries in Grandstream DP725 and DP730 handsets
• Office VoIP handsets used for voice calls and messaging
• Field or mobile use where portable VoIP communication is required

Key specifications

• Battery type: rechargeable lithium-based cell (for specified Grandstream models)
• Rated capacity: 1500 mAh
• Compatibility: Grandstream WP810, WP820, DP725, DP730
• Form factor: handset-replacement pack sized to fit listed models
• Intended use: voice calls and basic data functions on compatible handsets

How to use

Power down the handset and remove the back cover according to the device user manual. Remove the depleted battery, observe correct polarity and connector alignment, and install the Grandstream GS-01 replacement battery. Reattach the cover and power on the device. Allow the battery to charge fully before initial extended use to ensure proper calibration and maximum runtime. Dispose of the depleted battery following local regulations for battery recycling.

Usage recommendations

Charge the battery with the handset charging cradle or charger recommended by Grandstream. Avoid exposure to extreme temperatures and do not puncture or short-circuit the battery. For optimal life, avoid leaving the battery fully discharged for extended periods and follow manufacturer guidance for charging cycles and storage.