ECO-WORTHY Cubix100 Series Battery Warranty Policy

I. Warranty Scope and Eligible Users

Total Duration: 10 years limited warranty from the original purchase date.

Covered Products

This warranty policy applies to 【ECO-WORTHY Cubix100 Series】rechargeable lithium-ion batteries (hereinafter referred to as the “Product”) manufactured or authorized for sale by ECO-WORTHY (hereinafter referred to as the “Seller”).

Eligible Users

End-users and enterprise customers worldwide who have purchased the
Product through official channels or authorized distributors.

Warranty Nature

This is a Limited Warranty, covering only failures caused by defects in materials and workmanship. It does not cover normal wear-and-tear, man-made damage, misuse or other excluded conditions.

II. Warranty Period

Standard Warranty Term: 【10 years / 6000 cycles】 starting from the purchase date (invoice / order date) plus a 30-day installation grace period.

Whichever occurs first shall govern.

III. Warranty Commitment

Within the warranty period, if the Product is verified through testing to be inoperable due to material or manufacturing defects, the Seller shall provide services below based on
the service age of the battery:

Free repair or supply of replacement parts

Free replacement with an identical or equivalent-specification new unit

Pro-rata refund / credit based on original purchase price (Proration rule: deduct 1/10 of the credit amount per calendar year OR deduct 1/10 per 500 cycles, calculated from the original purchase date; whichever trigger occurs first shall apply).

IV. Warranty Eligibility Requirements

To claim warranty service, all of the following conditions shall be satisfied:

Provide valid proof-of-purchase (order / invoice / receipt).

Product appearance, coding, markings and tamper-evident labels remain intact; no unauthorized disassembly, modification or re-soldering has been performed.

The Product has been installed, operated, charged, stored and maintained strictly in accordance with official user manuals.

The Product has not been used for non-design applications (e.g. over-voltage, over-current, reverse polarity, collision, water immersion, high-temperature exposure, etc.).

Failures are not caused by third-party accessories, adapters or improper assembly.

Parts replaced during the warranty period shall carry forward the remaining limited-warranty duration of the original battery; no new warranty term shall commence.

V. Exclusions from Warranty Coverage

Free repair or replacement under warranty shall not apply to the following circumstances:

Normal capacity fade where remaining capacity is ≥80% of nominal capacity.

Man-inflicted damage: dropping, impact, compression, puncture, water ingress, fire, short-circuit.

Misuse / operation outside specifications: over-charge, over-discharge, over-temperature, over-current, use of non-LFP-dedicated chargers, modification of BMS parameters, disassembly or alteration of the unit.

Force Majeure events: earthquake, flood, fire, lightning strike, abnormal grid voltage and other external factors.

Products obtained through non-official channels: grey-market goods, refurbished units, counterfeit goods, or units without valid source documentation.

Consumable-related defects / cosmetic blemishes: housing scratches, minor terminal oxidation (provided functionality remains unaffected).

Relocation of the Product away from its original installation site.

Resale following one authorized transfer by the original purchaser.

VI. Warranty Claim Procedure

Submit claim: Contact official email / after-sales portal on official website / local authorized service center.

Submit documentation: Proof-of-purchase, product model, serial number, fault description, photos / video evidence.

Test & adjudication: The Seller shall complete testing and fault adjudication within 5 working days.

Resolution: If warranty eligibility is confirmed → repair / product replacement; if not eligible → quotation for paid repair service.

Logistics & cost allocation:
• Warranty-eligible claims: ECO-WORTHY shall bear freight for both return-shipment and outbound replacement-shipment.
• Non-warranty claims: Customer shall bear all freight for return-shipment and outbound shipment. ECO-WORTHY may offer order-placement assistance upon request.

VII. Limitation of Liability

This Limited Warranty constitutes the sole and exclusive warranty, and no implied warranties apply.

The Seller’s total aggregate liability shall not exceed the actual purchase price of the Product.

The Seller shall not be liable for indirect or consequential losses (including without limitation loss of profit, system downtime, data loss, incidental damages, etc.).

If the User disagrees with the Seller’s test conclusion, both parties may jointly appoint an authoritative third-party laboratory for independent testing. The third-party test result shall be final and binding. If testing confirms a
warranty-covered defect, testing costs shall be borne by the Seller. If the fault is not covered under warranty, testing costs shall be borne by the User.

VIII. Governing Region & Applicable Law

This warranty shall be enforced subject to mandatory local laws. In case of conflict with local legislation, local law shall prevail.

Dispute Resolution: Parties shall first attempt amicable negotiation. Should negotiation fail, disputes shall be submitted to Seller’s jurisdiction for settlement.

IX. Information Block

Official After-sales Email: 【essvipsupport@eco-worthy.com】
Official Warranty Webpage: 【https://www.eco-worthy.com/pages/warranty】
Official Contact Numbers:
+ 1 713-906-2097 (US&CA)
+49 6175-6514-999 (EU)
+44 755-3406-988 (UK)

Notice: Contents of this document are subject to change without prior notice.

ECO-WORTHY reserves its right to provide final interpretation of this warranty policy.