SOL IA-S4 Off Grid Hybrid Solar Inverter 3.5KW 5KW 48V Pure Sine Wave MPPT Solar Charger Support Parallel Without Battery

1.Hybrid Dual Input Design

Solar PV + utility grid/generator dual input, auto joint power supply when sunlight is weak, no sudden power cut.

2.Built-in High Power MPPT Solar Charger

3.5KW model with 4500W PV capacity, 5KW model supports max 6000W solar panels, fast charging efficiency over 93%.

3. Flexible Parallel Expansion Function

Max 9 units parallel connection, total output up to 45KW, easy to expand large home solar system.

4. Work With Or Without Battery

Two operation modes optional, reduce initial purchase cost for users without battery demand.

5. Adjustable Energy Priority & Timing Function

Switch solar/grid input priority freely; set automatic battery charge & discharge schedule.

6. Stable Pure Sine Wave Output

Suitable for all household appliances, inductive loads like air conditioner, pump, fridge run smoothly without noise or damage.

7. Complete Multi-protection System

Over-load, over-temperature, short-circuit, over/under voltage protection, extend service life greatly.

8. Wide Compatibility

Compatible with 48V lithium battery and lead-acid battery, wide PV voltage range adapts most solar panels on market.

Q1: Can I get some samples for test?

A: Yes, sample order is available for quality check and market test .

Q2: Do you accept OEM/ODM ?

A:Yes, we accept OEM/ODM with your authorization.

Q3: What is your typical delivery timeline?

A: For standard off-the-shelf products, we offer a delivery window of 5-10 business days from order confirmation. For bulk orders or customized OEM/ODM projects, delivery schedules are determined based on production capacity and customization requirements. Our sales team will provide a detailed timeline after evaluating your specific needs.

Q4: What is the standard of package?

A: We have our own design carton with five layers corrugated material; if you have any other special requirement of package, we also support customized service.

Q5: What’s your payment terms?

A: We accept T/T, L/C, WEST UNION, ALI TRADE ASSURANCE, cash.

Q6: What’s your warranty time?

A: We offer 12 months warranty service, life time technique support.

Q7: How does your factory implement quality control?

A: Quality is the cornerstone of our brand. We operate a dedicated quality assurance department that oversees every stage of production, from component sourcing to final delivery. Each product undergoes a minimum of seven rigorous quality inspection protocols before shipment, ensuring compliance with international standards and customer specifications.

Q8: How can I trust your company?

A: With over 20 years of specialized experience in inverter manufacturing, Minvon has established a robust quality management system certified to ISO 9001, ISO 14001, and ISO 45001 standards. Our products also hold CE, CCC, and RoHS certifications, ensuring compliance with international regulatory requirements. We can provide third-party assessment reports and factory audit documentation upon request to demonstrate our commitment to transparency and reliability.