warranty period and tiered scheme

this policy applies to eco-worthy brand liber series aio inverters, covering the following models: eco5000w(sr),eco10000w(sr) and eco-inv-48v18kwtsr01. as core equipment designed for north american off-grid power system standards, we provide a 2-year (24-month) tiered warranty service to ensure your long-term energy security.

The warranty remedies are implemented in three phases based on the service duration counted from the warranty start date:

Service Duration
(from Warranty Start Date)

After-Sales Solution 

Notes

0 – 16 months

100% Free Repair or Replacement

If a manufacturing defect is confirmed, the brand shall provide free repair or replacement unit and cover round-trip shipping costs.

17 – 20 months

60% Trade-in Credit for New-unit Replacement

A credit equal to 60% of the original unit price for purchasing an identical-model new unit (faulty unit must be returned).

21– 24 months

30% Trade-in Credit for New-unit Replacement

A credit equal to 30% of the original unit price for purchasing an identical-model new unit (faulty unit must be returned).

 warranty period and tiered scheme

this policy applies to eco-worthy brand liber series aio inverters, covering the following models: eco5000w(sr), eco10000w(sr), and eco-inv-48v18kwtsr01. 
as core equipment designed for north american off-grid power system standards, we provide a 2-year (24-month) tiered warranty service to ensure your long-term energy security.

The warranty  remedies are implemented in three phases based on the service duration counted from the warranty start date:

Usage Duration

(From Start Date)

After-Sales Solution

             
               Notes                         

0 – 16 Months

100% Free Repair or Replacement

If a manufacturing defect is confirmed, the brand shall provide free repair or
replacement unit and cover round-trip shipping costs.

17 – 20 Months

 60% Trade-in Credit for New-unit Replacement

A credit equal to 60% of the original unit price for purchasing an identical-model new unit (faulty unit must be returned).

21 – 24 
Months

30% Trade-in Credit for New-unit Replacement 

A credit equal to 30% of the original unit price for purchasing an identical-model new unit (faulty unit must be returned).

Determination of Warranty Start Date

To safeguard users’ practical interests, the warranty start date shall follow the rules below:

Preferred Proof:

The warranty commences from the installation date or first-use date supported by valid evidence. Valid evidence includes time-stamped on-site installation photos, first-activation records from monitoring App, or professional installation reports.

Default Rule:

If the user cannot provide the above-mentioned valid evidence, the warranty shall automatically start on the 31st day after the purchase date (a one-month grace period counting from purchase date to account for logistics and installation waiting time).

Determination of Warranty Start Date

To safeguard users’ practical interests, the warranty start date shall follow the rules below:

Preferred Proof:

The warranty commences from the installation date or first-use date supported by valid evidence. Valid evidence includes time-stamped on-site installation photos, first-activation records from monitoring App, or professional installation reports.

 Default Rule: 

 If the user cannot provide the above-mentioned valid evidence, the warranty shall automatically start on the 31st day after the purchase date (a one-month grace period counting from purchase date to account for logistics and installation waiting time).

Allocation of After-sales Shipping Costs

Within 0-16 months:

For valid defect claims within continental United States (excluding remote areas), ECO-WORTHY covers standard round-trip shipping for returning the faulty unit and dispatching the replacement unit.

Within 17-24 months:

The user shall bear the one-way freight for sending the fault unit back to the designated warehouse. For trade-in replacement, shipping of the new unit shall be covered by the brand.

Claims may be submitted by contacting the after-sales support team.

Allocation of After-sales Shipping Costs

Within 0 – 16 Months:

 For valid defect claims within continental United States (excluding remote areas), ECO-WORTHY covers standard round-trip shipping for returning the faulty unit and dispatching the replacement unit.

Within 17 – 24 Months:

The user shall bear the one-way freight for sending the faulty unit back to the designated warehouse. For trade-in replacement, shipping of the new unit shall be covered by the brand.

Claims may be submitted by contacting the after-sales support team.

Expedited Claim Service

To minimize household power-outage impacts caused by system downtime, the Advanced Replacement Service is available during the 0-18-month full-warranty period:

Title

The brand ships the replacement unit in advance before receiving the faulty unit.

Upon receipt of the faulty unit and confirmation that damage is not man-made, the service request will be formally closed.

Expedited Claim Service

To minimize household power-outage impacts caused by system downtime, the Advanced Replacement Service is available during the 0-18-month full-warranty period:

Title

The brand ships the replacement unit in advance before receiving the faulty unit.

Upon receipt of the faulty unit and confirmation that damage is not man-made, the service request will be formally closed.

How to Apply

To apply for warranty service, please prepare the following materials and contact the

ECO-WORTHY official after-sales team:

Warranty Claim Procedure

To apply for warranty service, contact ECO-WORTHY official after-sales team and provide the following documents:

Photo of the nameplate with SN code on the right-hand side of the unit.

Photo of the Wi-Fi module QR code.

Proof of purchase (order number or invoice).

Documentation for installation / first-use verification.

Fault evidence: fault description, error-code screenshots, photos or videos demonstrating the failure.

 DateDisclaimer and Limitations

The following circumstances are not covered by free warranty, though technical support or paid repair services may still be available:

Wiring errors: Improper split-phase output wiring, reversed input-terminal polarity, or mismatched battery-voltage system.

Non-compliant operating environment: Installation in poorly-ventilated, extremely-humid locations, or where ambient temperature continuously exceeds 50°C.

Non-compliant load conditions: Connection of inductive loads exceeding the inverter’s peak power, or unauthorized circuit modification.

Force majeure: Physical damage caused by lightning strike, fire, flood or other natural disasters.

Products from unofficial channels: Grey-market goods, refurbished units, counterfeit products or units without valid source documentation.

Multiple resales: Re-resale after the original buyer completes one transfer of ownership.

Tampered unit: Missing or damaged anti-tamper label.

Tips: ECO-WORTHY reserves the right of final interpretation of this policy.

How to Apply

To apply for warranty service, please prepare the following materials and contact the ECO-WORTHY official after-sales team:

Procedure to apply

To apply for warranty service, contact ECO-WORTHY official after-sales team and provide the following documents:

Photo of the nameplate with SN code on the right-hand side of the unit.

Photo of the Wi-Fi module QR code.

Proof of purchase (order number or invoice).

Documentation for installation / first-use verification.

 Fault evidence: fault description, error-code screenshots, photos or videos demonstrating the failure.

Disclaimer and Limitations

The following circumstances are not covered by free warranty, though technical support or paid repair services may still be available:

Wiring errors: Improper split-phase output wiring, reversed input-terminal polarity, or mismatched battery-voltage system.

Non-compliant operating environment: Installation in poorly-ventilated, extremely-humid locations, or where ambient temperature continuously exceeds 50°C.

Non-compliant load conditions: Connection of inductive loads exceeding the inverter’s peak power, or unauthorized circuit modification.

 Force majeure: Physical damage caused by lightning strike, fire, flood or other natural disasters.

Products from unofficial channels: Grey-market goods, refurbished units, counterfeit products or units without valid source documentation.

 Multiple resales: Re-resale after the original buyer completes one transfer of ownership.

 Tampered unit: Missing or damaged anti-tamper label.

Tips: ECO-WORTHY reserves the right of final interpretation of this policy.

exclusions & appendix

1.The warranty becomes void under the following circumstances (including but not

limited to)

- Disassembly, repair, or tampering by unauthorized personnel

- Incorrect wiring, reverse connection, or improper parallel connection (refer to the product manual for parallel specifications)

- Use in unsuitable environments (extreme temperature, humidity, flooding, direct sunlight, etc.; see product manual for appropriate conditions)

- Use in non-standard applications (e.g., motor starting, automotive vibration conditions, etc.)

- Missing, damaged, or falsified battery serial number

2.This limited warranty does not apply to defects or insufficient energy capacity caused

by

- Abuse, misuse, negligence, or failure to install, operate, maintain, or repair in accordance with ECO-WORTHY product manuals/specifications

- Accidents or force majeure events (fire, flood, earthquake, lightning, etc.)

- Unauthorized opening of the product casing

- Unauthorized modifications (via physical means, programming, or otherwise)

- Unauthorized relocation and reinstallation from the original installation site

3.Additionally, this warranty does not cover

- Normal wear and tear, or cosmetic damage not affecting product performance (scratches, dents, etc.)

- Noise or vibration not excessive or abnormal and not affecting performance

- Damage or performance degradation occurring after the warranty expires

- Theft of ECO-WORTHY products or components

4.Modifications and Waivers

No individual or entity (including ECO-WORTHY employees or authorized representatives) may alter or waive any part of this limited warranty. ECO-WORTHY may occasionally cover certain repair costs (not included under this limited warranty), whether for a specific product model or individual case. ECO-WORTHY reserves the right to take such actions without being obligated to extend similar coverage to other users.

5.Liability Limitation

ECO-WORTHY shall not be liable for any indirect, incidental, special, punitive, or consequential damages arising from or related to this limited warranty, regardless of legalaction, and whether or not ECO-WORTHY has been advised of such damages. ECO-WORTHY’s liability under any claim related to this warranty shall not exceed the amount paid for the product. Some states do not allow or limit the exclusion/restriction of damages, so these limitations may not apply to you, or may apply only within certain bounds.

6.Governing Law

This limited warranty shall be governed by the laws of the state where the ECO-WORTHY

product is installed. In case of conflict with mandatory local laws, the local law shall prevail.

All other terms remain valid.

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exclusions & appendix

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1.The warranty becomes void under the following circumstances (including but not limited to)

- Disassembly, repair, or tampering by unauthorized personnel

- Incorrect wiring, reverse connection, or improper parallel connection (refer to the product manual for parallel specifications)

- Use in unsuitable environments (extreme temperature, humidity, flooding, direct sunlight, etc.; see product manual for appropriate conditions)

- Use in non-standard applications (e.g., motor starting, automotive vibration conditions, etc.)

- Missing, damaged, or falsified battery serial number

2.This limited warranty does not apply to defects or insufficient energy capacity caused by

- Abuse, misuse, negligence, or failure to install, operate, maintain, or repair in accordance with ECO-WORTHY product manuals/specifications

- Accidents or force majeure events (fire, flood, earthquake, lightning, etc.)

- Unauthorized opening of the product casing

- Unauthorized modifications (via physical means, programming, or otherwise)

- Unauthorized relocation and reinstallation from the original installation site

3.Additionally, this warranty does not cover

- Normal wear and tear, or cosmetic damage not affecting product performance (scratches,

dents, etc.)

- Noise or vibration not excessive or abnormal and not affecting performance

- Damage or performance degradation occurring after the warranty expires

- Theft of ECO-WORTHY products or components

4.Modifications and Waivers

No individual or entity (including ECO-WORTHY employees or authorized representatives)

may alter or waive any part of this limited warranty. ECO-WORTHY may occasionally cover

certain repair costs (not included under this limited warranty), whether for a specific

product model or individual case. ECO-WORTHY reserves the right to take such actions

without being obligated to extend similar coverage to other users.

5.Liability Limitation

ECO-WORTHY shall not be liable for any indirect, incidental, special, punitive, or

consequential damages arising from or related to this limited warranty, regardless of legalaction, and whether or not ECO-WORTHY has been advised of such damages. ECO-

WORTHY’s liability under any claim related to this warranty shall not exceed the amount

paid for the product. Some states do not allow or limit the exclusion/restriction of damages,

so these limitations may not apply to you, or may apply only within certain bounds.

6.Governing Law

This limited warranty shall be governed by the laws of the state where the ECO-WORTHY

product is installed. In case of conflict with mandatory local laws, the local law shall prevail.

All other terms remain valid.

warranty period and tiered scheme

The warranty remedies are implemented in three phases based on the service duration counted from the warranty start date:

Service Duration
(from Warranty Start Date)

After-Sales Solution 

Notes

0 – 40 months

100% Free Repair or Replacement

If a manufacturing defect is confirmed, the brand shall provide free repair or replacement unit and cover round-trip shipping costs.

41 – 50 months

60% Trade-in Credit for New-unit Replacement

A credit equal to 60% of the original unit price for purchasing an identical-model new unit (faulty unit must be returned).

51– 60 months

30% Trade-in Credit for New-unit Replacement

A credit equal to 30% of the original unit price for purchasing an identical-model new unit (faulty unit must be returned).