SOL IA-S4 Series 3500-5000W Off-Grid Inverter, Work With/Without Battery, 500VDC PV Input

The MINVON SOL IA-S4 series is a high-performance off-grid solar inverter designed for residential and small commercial solar systems, with 3500W and 5000W rated power options.

✅ Core Technical Advantages:

1. Pure sine wave 230VAC output with surge power up to 10000W, compatible with all household appliances and sensitive electronics

2. Built-in high-efficiency MPPT solar charger (4500W/6000W) with a wide PV input range (120-450VDC) and max open circuit voltage up to 500VDC, maximizing solar energy harvesting

3. Supports PV and grid joint power supply: when solar energy is insufficient, the grid automatically supplements the load power to ensure stable operation

4. Flexible charge and discharge time scheduling, allowing you to customize operation modes based on your usage habits and electricity prices

5. Supports up to 9 units in parallel for a total system capacity of 45kW, ideal for expanding large-scale off-grid or backup power systems - Work with or without battery, providing flexible solutions for different application scenarios

6. Configurable grid or solar input priority, meeting diverse system operation requirements

7. Compatible with both lead-acid and lithium batteries, with comprehensive safety protection features Perfect for off-grid homes, remote cabins, backup power systems and small commercial applications, the SOL IA-S4 series provides stable, efficient and intelligent power conversion for your solar energy needs.

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.