Our products have stable performance, long cycle life, high energy density and stable discharge voltage.

- Compatible Model:

GR-DVL510U
GR-D20
GR-DVL555
GR-D70
GR-D31
GR-DVL722
GR-D72
GR-DV801US
GR-DVL1170
GR-DVL707U
GR-DVL305
GR-DVL520

- Battery Part Number:
BN-V438U
BN-V428U
BN-V438
BN-V428

Purchase Instructions
1. Please carefully check the compatible model of the battery and the part number of the original battery to determine whether it is compatible with the device.

2. The size is consistent, and the installation is simple and convenient.

3. This product provides one-year after-sales service. If you have any questions, please let us know by email.

Instructions for use
1. Do not use a low-quality third-party adapter charger to charge the device.

2. Do not use in high temperature environment.

3. It is strictly prohibited to disassemble, heat, prick and squeeze the battery.

4. Please use the battery reasonably to eliminate potential safety hazards.