Product Overview FAQs
Installation & Operation FAQs
Warranty & After-Sales FAQs
Technical & Compatibility FAQs
Ordering & Delivery FAQs
Financial & ROI FAQs
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Q:
Q1. What products does Sunpal offer?
A:
Sunpal provides complete solar energy solutions, including PV systems, solar panels, inverters, lithium batteries, solar air conditioners, solar street lights, and solar water pumps.
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Q2. What's the difference between on-grid, off-grid, and hybrid systems?
A:
On-grid systems connect to the utility grid, off-grid systems operate independently, and hybrid systems combine both for greater flexibility and backup.
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Q3. Can I customize a solar system to fit my energy needs?
A:
Yes, we offer fully customized solutions based on your energy usage, roof type, local climate, and backup requirements.
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Q4. How do I choose the right system size for my home or business?
A:
You can consult our sales team with your monthly electricity bill or estimated load demand, and we will recommend a suitable system.
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Q:
Q5. Do you provide OEM/ODM services?
A:
Yes, we support OEM/ODM for inverters, solar panels, and complete systems with private labels and packaging.
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Q:
Q1. Do you provide installation services or local support?
A:
We provide remote technical support, detailed installation guides, and, when necessary, can dispatch engineers to assist with on-site installation.
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Q2. How long does it take to install a solar system?
A:
For residential systems, installation usually takes 1–3 days depending on system size and site conditions.
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Q3. Can your systems be installed on any type of roof?
A:
Yes, we provide customized mounting solutions compatible with tile, metal, flat, and other roof types, as well as ground-mount options.
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Q4. Is it safe to use your solar systems in harsh weather conditions?
A:
Our systems are IP-rated and tested for durability. They are suitable for use in high temperatures, heavy rain, wind, and snow environments.
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Q5. Can I expand the system in the future?
A:
Yes. Our systems are modular and designed for scalability. You can easily add more panels or batteries later as needed.
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Q:
Q1. What is the warranty for your solar panels, batteries, and inverters?
A:
Solar panels come with a 25-year product warranty and a 30-year linear power output warranty. Inverters and batteries are covered by a 5–10 year warranty depending on the model.
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Q:
Q2. How do you handle after-sales service?
A:
We provide 24/7 technical support, remote troubleshooting, and spare parts replacement during the warranty period
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Q3. What should I do if a component fails?
A:
Please contact our support team with product details and issue description. We will guide you through diagnosis and arrange repair or replacement if covered.
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Q4. Can I get replacement parts after the warranty ends?
A:
Yes. We offer affordable replacement parts and extended service support even after the warranty period.
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Q5. Do you provide any maintenance services?
A:
While our systems require minimal maintenance, we offer maintenance guidance and can recommend local service partners if needed.
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Q:
Q1. Can your systems connect to the utility grid?
A:
Yes. Our on-grid and hybrid systems are fully compatible with standard grid voltages and can support both export and self-consumption modes.
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Q2. Are your products compatible with lithium and lead-acid batteries?
A:
Yes. Our inverters and systems support both LiFePO₄ lithium batteries and traditional lead-acid batteries, depending on your setup.
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Q:
Q3. What certifications do your products have?
A:
All products are certified to international standards such as CE, TUV, IEC, ISO, UL, and more, ensuring safety and reliability.
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Q:
Q4. What's the module efficiency of your solar panels?
A:
Our panels offer conversion efficiency from 20% to 23.5%, depending on the cell type (PERC, TOPCon, HJT, etc.).
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Q5. Can your inverter work with third-party solar panels?
A:
Yes. Our MPPT inverters are compatible with most solar modules on the market, as long as the voltage and current fall within the supported range.
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Q6. Do your systems support remote monitoring?
A:
Yes. Most of our systems come with WiFi or GPRS monitoring options and can be accessed via mobile apps or web portals.
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Q:
Q1. How can I place an order?
A:
You can place an order by contacting us directly through our website, sending an email to max@sunpalsolar.com, or reaching us via phone or WhatsApp at +86 172 0182 9967. Our team will assist you with system design, quotation, and order confirmation.
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Q:
Q2. What is your average lead time?
A:
Standard orders typically ship within 7–15 working days. Large or customized systems may take 20–30 days depending on stock and specifications.
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Q3. Do you ship internationally?
A:
Yes. We ship to over 100 countries worldwide via sea, air, or express. We can also assist with customs clearance documents.
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Q4. What payment methods do you accept?
A:
We accept T/T (bank transfer), PayPal, Western Union, and L/C. For bulk orders, flexible payment terms can be negotiated.
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Q5. Can I get a sample or trial order?
A:
Yes. We support sample or small trial orders for testing before bulk purchase.
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Q6. Is OEM packaging available?
A:
Yes. We offer OEM/ODM service including logo printing, branded packaging, and custom documentation.
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Q1. How much can I save by switching to solar energy?
A:
Savings vary by location and usage, but most users reduce their electricity bills by 50–90% after installing a solar system.
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Q2. What is the typical payback period for a solar system?
A:
On average, the payback period is 3–6 years depending on system size, energy rates, and local incentives.
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Q3. Are there any government incentives for solar installation?
A:
Many countries offer subsidies, tax credits, or net metering programs. Please check with your local authority or contact us for assistance.
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Q4. Do your systems support net metering?
A:
Yes. Our grid-tied and hybrid systems support net metering where permitted, allowing you to export excess power back to the grid.
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Q5. Will solar add value to my property?
A:
Yes. Solar installations can increase property value and are often considered an attractive feature by homebuyers and commercial tenants.