General Terms & Conditions for Slovak & International Customers

General Terms and Conditions (GTC) – BST Solartech s.r.o.

General Terms and Conditions (GTC)

BST Solartech s.r.o. – Wholesale of Solar and Renewable Energy Products

1. Scope of Application

  1. These General Terms and Conditions (“GTC”) govern all business relationships between BST Solartech s.r.o. (“Seller”, “we”, “us”) and its business customers (“Buyer”, “you”).
  2. These GTC apply to all sales, deliveries, and services unless otherwise agreed in writing.
  3. Deviating terms of the Buyer are not recognized unless explicitly accepted in writing by the Seller.

2. Offers and Orders

  1. All offers made by the Seller are non-binding and subject to availability.
  2. A contract is concluded only upon written confirmation of the order or actual delivery.
  3. Product descriptions, prices, and availability on the website or price list are for information purposes only and do not constitute a binding offer.

3. Prices and Payment

  1. All prices are in EUR and exclusive of VAT, unless otherwise stated.
  2. Payment terms are as agreed individually in writing. In the absence of a specific agreement, payment is due in advance.
  3. The Buyer is not entitled to withhold payments due to counterclaims unless legally determined or undisputed.

4. Delivery and Transfer of Risk

  1. Delivery is made EXW (Ex Works) from our warehouse in Bratislava, Slovakia, unless otherwise agreed.
  2. Delivery dates are non-binding unless expressly guaranteed in writing.
  3. Risk passes to the Buyer upon handover to the carrier, including in the case of partial deliveries or if we have taken over other services.

5. Retention of Title

  1. Delivered goods remain our property until full payment has been received.
  2. The Buyer is not entitled to resell, pledge, or otherwise dispose of the goods before full payment without our prior written consent.

6. Warranty and Liability

  1. The Seller guarantees that the delivered goods are free from manufacturing and material defects at the time of transfer.
  2. Huawei FusionSolar products. The warranty terms are based on the latest official Huawei Limited Product Warranty documentation. The following conditions apply:
    • Warranty coverage applies to specified Huawei Smart PV products, including but not limited to SUN2000 inverters, LUNA energy storage systems, and Smart PV controllers.
    • Warranty periods are product-specific and generally extend for 60 months (5 years) from the date of delivery, unless otherwise stated.
    • Coverage includes free repair or replacement of defective parts as determined by Huawei.
    • The warranty is valid only if the product is installed and used according to the provided documentation, and if no unauthorized modification or misuse has occurred.
    • Exclusions: damage due to force majeure, power surges, lightning, flooding, or other external events; normal wear and tear; software/firmware updates; consumables and accessories; costs related to disassembly, transportation, or reinstallation unless agreed upon.
    • Buyer must notify BST Solartech s.r.o. in writing of any warranty claim within 5 working days after discovery of the defect; any service is coordinated with Huawei’s official support process.
  3. CATL battery products. The warranty terms are based on the latest official CATL Battery Limited Warranty documentation:
    • Applies to CATL lithium-ion batteries supplied for stationary storage or EV applications.
    • Coverage ensures the battery retains at least 80% of its rated capacity during the warranty period.
    • Standard warranty: 5 years or 400,000 km (for EV), whichever comes first; some commercial types may be up to 8 years or 800,000 km.
    • Exclusions: improper installation/use, unauthorized repairs, over/undercharging, exceeding temperature specs, physical damage, accidents, and use of non-CATL components or non-approved service providers.
    • Claims require proof of purchase, serial number, and usage data (duty cycle, mileage).
  4. Canadian Solar modules & inverters. Subject to the latest official Canadian Solar warranty documentation:
    • Modules: Product warranty 12 years standard (may extend to 25 years depending on region/type). Performance warranty 25 years: no less than 97.5% first year, ≤0.6% annual degradation thereafter, ≥83.1% at year 25. Some high-efficiency/bifacial modules may offer up to 30 years performance coverage.
    • Warranty effective upon installation or 90 days after delivery, whichever is earlier. Remedies can include repair, replacement, additional modules to cover power loss, or refund at current market value.
    • Exclusions: improper installation, unauthorized repair, extreme weather, third-party equipment damage, tampering.
    • Inverters: Standard product warranty 10 years, extendable up to 20 years; similar exclusions apply.
  5. Tongwei photovoltaic modules. Based on the latest Tongwei Crystalline Silicon PV Module Warranty:
    • Product warranty: 12 years on materials and workmanship for standard modules; up to 25 years for select models (subject to site restrictions).
    • Performance warranty:
      • Single-glass PERC: ≤2% degradation in Year 1, then ≤0.55%/year; ≥84.8% at Year 25.
      • Double-glass bifacial PERC: ≤2% Year 1, ≤0.45%/year; ≥84.95% by Year 30.
      • N-type or TOPCon bifacial: ≤1% Year 1, ≤0.4%/year; ≥87.4% at Year 30.
    • Remedies include repair, replacement, additional modules, or depreciated-value refund.
    • Buyer must notify BST Solartech s.r.o. or Tongwei within 30 days of discovering a defect (include invoice, serial number, photos, installation records).
    • Exclusions: non-Grade-A modules, improper use, unauthorized repairs, modified labels, unsuitable environments (vehicles, offshore, corrosive), or physical damage.
  6. KSTAR inverters & storage systems. Based on KSTAR General Warranty Conditions and model documentation:
    • Standard product warranty: 5 years from installation or purchase; extensions via authorized channels.
    • Systems (e.g., BluE ESS): 5-year product warranty (repair/replacement at KSTAR’s discretion) and 10-year performance guarantee for ≥80% usable energy retention.
    • Certified installation and valid serial/documentation required; online registration/connectivity may be required.
    • Exclusions: improper installation, unauthorized modifications, environmental damage, mishandling, use of non-KSTAR parts, tampering with labels/serials.
    • Claims: submit claim form with photos, serials, installation docs. KSTAR aims to respond within 3 working days; approved claims are resolved as soon as practicable. Travel, removal/reinstall, and non-authorized on-site labor may be excluded.
  7. The Seller’s liability for damages is limited to intent and gross negligence. Liability for indirect or consequential damages (e.g., loss of profit, downtime) is excluded.

7. Return Policy

  1. Returns are accepted only after prior written approval.
  2. Customized products or opened packaging may not be returned unless they are defective.
  3. In case of approved return, the Buyer bears the return shipping costs.

8. Force Majeure

  1. We are not liable for failure or delay in performance due to events beyond our reasonable control, including but not limited to acts of God, war, natural disasters, supply chain disruption, or regulatory restrictions.

9. Confidentiality

  1. Both parties shall treat all business and technical information disclosed in the course of cooperation as confidential.

10. Governing Law and Jurisdiction

  1. Slovak law shall apply, excluding the conflict of laws and the UN Convention on Contracts for the International Sale of Goods (CISG).
  2. Jurisdiction lies with the competent court in Bratislava, Slovakia, unless otherwise required by law.

11. Final Provisions

  1. Should any provision of these GTC be or become invalid, the remaining provisions shall remain unaffected.
  2. Amendments or additions must be made in writing to be valid.
 

Company Information

BST Solartech s.r.o.
Kremnická 24, Bratislava, 851 01, Slovakia
IČO: 31 371 116  |  DIČ: SK 2020353291
E-mail: info@bst.solar  |  Website: www.bst.solar

Version: v1.0

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