Hi all,
The HULKMAN Sigma Battery Charger User Guide 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:
- Order number
- Serial number of your product
- Main specifications of your battery
- Any images or videos for proof of the issue
Our agent will help you troubleshoot, with the guarantee of an exemplary service.
Comments
1 comment
The Serial Number is not on the box. Where can I find it?
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