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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

Engineered for Safety, Built for Endurance.

Engineered at the material level, our cells utilize high-stability electrolyte additives and ceramic-coated separators for intrinsic safety and thermal resilience. This structural integrity minimizes irreversible side reactions, ensuring minimal capacity fade and an exceptionally long cycle life even under high-C conditions.

Engineered for Safety, Built for Endurance.

Engineered at the material level, our cells utilize high-stability electrolyte additives and ceramic-coated separators for intrinsic safety and thermal resilience. This structural integrity minimizes irreversible side reactions, ensuring minimal capacity fade and an exceptionally long cycle life even under high-C conditions.

Engineered for Safety, Built for Endurance.

Engineered at the material level, our cells utilize high-stability electrolyte additives and ceramic-coated separators for intrinsic safety and thermal resilience. This structural integrity minimizes irreversible side reactions, ensuring minimal capacity fade and an exceptionally long cycle life even under high-C conditions.

Engineered for Safety, Built for Endurance.

Engineered at the material level, our cells utilize high-stability electrolyte additives and ceramic-coated separators for intrinsic safety and thermal resilience. This structural integrity minimizes irreversible side reactions, ensuring minimal capacity fade and an exceptionally long cycle life even under high-C conditions.

Need Technical Support?

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

Contact Support
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