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After-sale Service

Our Service Commitment

We are committed to delivering reliable products and professional technical support. Our service team ensures that every customer receives timely assistance, from product guidance to warranty and repair services.

Warranty Terms

All TATTU batteries manufactured and shipped from the Grepow warehouse carry a 12-month limited manufacturer warranty from the date of shipment.

What Is Covered

12 MONTHS - FROM DATE OF SHIPMENT

  • Manufacturing defects in materials and workmanship

  • Product quality failures under normal operating conditions

  • BMS or cell faults not caused by misuse or external damage

  • Defects identified within the warranty period with valid proof of purchase

A valid proof of purchase is required for all warranty claims. This warranty is limited to the original purchaser and is non transferable. Coverage applies only to products purchased through an authorized Grepow /TATTU dealer.

What Is Not Covered

EXCLUSIONS - READ CAREFULLY

  • Incorrect input voltage or non-compliant chargers

  • Failure to follow the instruction manual

  • Mechanical damage from crashes or external impact

  • Disassembly, modification, or connector alterations

  • Damage from rain, humidity, or improper storage conditions

  • Normal wear and tear, cosmetic dents or scratches

  • Charging or discharging outside specified parameters

  • Use or storage outside the temperature range in the product spec

TATTU/Grepow reserves the right to amend this warranty without prior notice. Outside of the warranty period, discounted replacement options may be offered at our sole discretion.

Common Questions

1. Are Tattu batteries purchased from third-party retailers eligible for warranty service?

Yes. Tattu batteries purchased from authorized Grepow or Tattu dealers are eligible for warranty service. The warranty applies only to the original purchaser and is non-transferable. Valid proof of purchase is required, and coverage is subject to Tattu's warranty terms and exclusions.

2. How can I submit a warranty claim for a defective Tattu battery?

Contact the Tattu after-sales support team and provide your proof of purchase, battery model, and a description of the issue. Photos, error messages, or relevant battery performance information can help the technical team evaluate the problem and determine whether repair or replacement is appropriate.

3. What should I do if my Tattu smart battery fails to charge or displays a BMS error?

Stop charging or using the battery if it displays an abnormal error. Check that the charger is compatible with the battery specifications and consult the product manual. If the issue continues, contact Tattu technical support for troubleshooting. Do not disassemble, modify, or attempt to repair the battery yourself.

4. Can I request battery repair or replacement after the warranty expires?

Yes, you can contact Tattu after-sales support for an evaluation. Depending on the battery's condition and the nature of the problem, repair or replacement options may be available. For batteries outside the 12-month warranty period, discounted replacement options may be offered at Tattu's discretion.

Need Technical Support?

Our support team is ready to assist with product questions and warranty service requests.

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