Why does the buzzer sound? What should I do?

Answer:

The buzzer will sound in the following two situations:

1) When entering and exiting charging. It's just a reminder, and no action is required.

2) When the Error Indicators are displayed on the screen. Please click on this link for instructions: What to do if the screen shows Error Indications?

If you still need assistance, please contact us:

If you have followed the above-mentioned instructions and still need further support, please contact our customer support at service@hulkman.com with the following information: 

1. Order number
2. Serial number of your product (Where can I find the serial number?)
3. Main specifications of your battery
4. Any images or videos for proof of the issue

Our agent will help you troubleshoot, with the guarantee of an exemplary service.