HULKMAN Sigma Battery Charger User Manual

Hi all, 

The HULKMAN Sigma Battery Charger User Manual is available for further instructions, which you are welcome to download to ensure you take the right steps while using your product.

If you still need assistance, please contact us:

If you have followed the instructions and are still unable to charge the battery, please contact our customer support at service@hulkman.com with the following information: 

1. Order number
2. Serial number of your product
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.