FAQ
General Questions
1. What is E2C Energy?
E2C Energy was founded in 2016 and is a renewable energy supply chain platform company headquartered in Rotterdam, the Netherlands.
E2C operates multiple warehouses across Europe and specializes in supplying energy storage batteries, inverters, and related renewable energy products.
As an officially authorized distributor for multiple leading brands, all products sold by E2C-shop come with official manufacturer authorization and warranty support.
2. Is E2C-shop an official authorized distributor?
Yes.
E2C-shop works directly with manufacturers and authorized suppliers. All products sold through our platform are genuine products with official brand warranty and after-sales support.
3. What products does E2C-shop sell?
E2C-shop specializes in:
• Home energy storage batteries
• Hybrid and off-grid inverters
• Balcony solar storage systems
• Portable energy storage products
• ESS accessories and related components
4. Does E2C provide installation services?
No.
E2C-shop focuses on supplying renewable energy products and does not provide installation services, on-site electrical work, wiring, engineering services, or grid connection services.
All batteries and inverters should be installed by a qualified electrician or certified installer in accordance with local regulations, grid requirements, and manufacturer guidelines.
Certain products may require approval from local grid operators, utility companies, or regulatory authorities before installation or operation.
5. Can I install the products myself?
For safety reasons, professional installation is strongly recommended.
Incorrect installation may:
• Damage the products
• Void manufacturer warranty coverage
• Create electrical or fire safety risks
• Cause system malfunction or reduced performance
• Result in non-compliance with local regulations
Customers are responsible for verifying product compatibility with existing systems before purchase and installation.
Shipping & Delivery
6. Which countries does E2C-shop ship to?
E2C-shop ships to multiple European countries.
Shipping availability may vary depending on:
• Product type
• Battery transportation restrictions
• Local transport regulations
• Carrier availability
• Customs or import restrictions
Please contact our customer support team if you are unsure whether shipping is available in your region.
7. How long does delivery take?
Estimated delivery times within Europe are:
• Accessories: 2–7 business days
• Inverters: 3–10 business days
• Battery systems: 5–12 business days
Delivery times may vary depending on product availability, transport conditions, customs inspections, carrier capacity, and regional logistics conditions.
Delivery times are estimates only and are not guaranteed.
8. Why are batteries and inverters shipped separately from normal parcels?
Lithium batteries and large inverters are classified as regulated or hazardous transport goods and cannot always be shipped via standard parcel services.
Certain battery products may require:
• Specialized hazardous goods transportation
• Additional packaging
• Carrier approval
• Restricted transport routes
• Additional transport documentation
E2C-shop works with specialized logistics companies experienced in handling battery systems and electrical equipment safely.
9. Do you offer free shipping?
Free shipping may be available for selected products, order values, or delivery regions.
Shipping costs are displayed during checkout.
Additional charges may apply for:
• Remote areas
• Islands
• Pallet deliveries
• Express delivery requests
• Hazardous goods transportation
• Failed delivery attempts
Warranty & Returns
10. Do your products include warranty coverage?
Yes.
All products sold by E2C-shop include official manufacturer warranty coverage.
Warranty periods and conditions vary depending on the product brand, model, installation conditions, and manufacturer warranty terms.
11. What is not covered under warranty?
Warranty does not cover damages caused by:
• Improper installation
• Unauthorized modifications
• Misuse
• Physical damage
• Water or fire damage
• Incorrect electrical configuration
• Environmental conditions outside manufacturer specifications
• Failure to follow manufacturer instructions
• Improper transport or storage after delivery
Warranty coverage may also be affected if serial number labels are removed or damaged.
12. Can I return a battery or inverter after installation?
No.
Installed, activated, connected, or used battery systems and inverters are generally not eligible for return.
For safety and compliance reasons, activated lithium battery systems cannot be returned.
Customers should inspect products carefully before installation and operation.
13. How do I request a warranty claim?
Please contact our support team and provide:
• Order number
• Product serial number
• Description of the issue
• Photos or videos where available
• Error codes or monitoring screenshots where applicable
Our technical support team will assist you with troubleshooting and warranty coordination.
Warranty processing times may vary depending on manufacturer procedures and technical inspection requirements.
Battery & Safety Questions
14. Why must batteries be installed professionally?
Lithium battery systems contain high-voltage electrical components and require professional installation to ensure:
• Electrical safety
• Proper system performance
• Compliance with local regulations
• Grid connection compliance
• Manufacturer warranty eligibility
Improper installation may result in serious safety risks including electric shock, fire hazards, or product damage.
15. Are lithium batteries safe?
Yes, when properly installed, handled, and operated according to manufacturer guidelines.
All products sold by E2C-shop are sourced from officially authorized manufacturers and comply with applicable safety standards where required.
However, lithium battery systems must always be handled carefully and installed according to applicable safety regulations.
Batteries should be stored in dry, ventilated environments within the manufacturer’s specified temperature and environmental conditions.
16. What should I do if a battery is damaged during delivery?
Please inspect the shipment immediately upon delivery.
If you notice transport damage:
• Take clear photos of the packaging and products
• Contact E2C-shop within 48 hours after delivery
• Keep the original packaging for inspection if required
• Do not install, charge, or operate visibly damaged battery products
Transport damage claims submitted after the reporting period may not qualify for compensation where permitted by applicable law.
Orders & Payments
17. Which payment methods do you accept?
Available payment methods may include:
• PayPal
• Credit Card
• Klarna
• Bank Transfer
• iDEAL
• Other payment options displayed during checkout
Available payment methods may vary depending on customer location and order value.
18. Can business customers place orders?
Yes.
E2C-shop supports both private consumers and business customers.
Please note that certain consumer withdrawal rights may not apply to B2B orders where permitted by law.
Business customers are responsible for verifying product suitability, system compatibility, and regulatory compliance before installation or resale.
Technical & Performance Questions
19. Do you guarantee electricity savings or financial returns?
No.
E2C-shop does not guarantee:
• Electricity savings
• Energy independence
• Financial return on investment
• Battery lifespan
• Specific energy production levels
• Compatibility with all third-party systems
Actual performance depends on installation quality, usage conditions, environmental factors, grid conditions, software configuration, and manufacturer specifications.
20. Do your products use software or monitoring platforms?
Certain products may rely on:
• Mobile applications
• Monitoring platforms
• Firmware updates
• Cloud services
• Third-party communication systems
Availability and functionality of these services may depend on the manufacturer or third-party providers.
Software platforms and firmware functionality may change due to manufacturer updates or service modifications.
Contact & Support
21. How can I contact E2C-shop?
You can contact us through:
Customer Service Email: info@e2c-shop.com
22. Do you provide technical support?
Yes.
Our support team can provide:
• General product guidance
• Basic troubleshooting assistance
• Warranty coordination
• After-sales support
For installation-related work, electrical configuration, engineering design, or on-site services, customers should consult qualified electricians, certified installers, or licensed professionals.