Your HIO Lithium battery comes with a 10-Year Limited Warranty.
For full details, please review the official warranty document below.

To activate your warranty protection, please register your product within the required timeframe.

1. All products must be registered within 60 days of the purchase date to activate the 10-year warranty.
2. Warranties are non-transferable.
3. Proof of purchase is required.

If you notice abnormal behavior, charging issues, alarms, or Bluetooth data irregularities,
please submit a troubleshooting request.

1. Describe the issue
2. Upload Bluetooth app screenshots, check the bluetooth app guide for screenshots
3. Upload photos/videos related to the problem

*This form does not initiate a warranty claim. Our team will assist with
troubleshooting and guide you to the warranty process if needed.

If troubleshooting confirms that your battery is defective, please submit a warranty claim:

1. The battery must be registered, and the information you provide should
   match the original registration details.
2. Please include any relevant evidence and a clear description of the issue to
   help us process your claim more efficiently.

• If you are unsure about the issue or unable to collect sufficient evidence, please complete the Troubleshooting Request first for further guidance.
• If you believe the battery is defective and already have complete supporting evidence, you may submit a Warranty Claim directly.
• We will reply to your request within 24 hours during business days.