What is the transfer time during power failure?

The typical transfer time is 10ms, with a maximum of 20ms.

Is OEM service available?

Yes, OEM and ODM services are available for this product.

DC AC Low Frequency Power Solar System Interver 3kw 5kw off Grid Inverter

Name: DC AC Low Frequency Power Solar System Interver 3kw 5kw off Grid Inverter
Brand: Xiamen Wintop New Energy Tech Co., Ltd.
SKU: 2111467845

Fujian, ChinaXiamen Wintop New Energy Tech Co., Ltd.

US$629.00

1-4 Pieces

US$599.00

5-9 Pieces

US$589.00

10-19 Pieces

US$579.00

20-49 Pieces

US$569.00

50+ Pieces

Product profile

Customization

Available

Nature of Source Flow

Passive inverter

Certification

Model NO.

SPF 5000ES

Output Power

>1000W

Grid Type

off-Grid Inverter

Output Type

Multiple

Circuit Topologies

Full-Bridge Type

Nature of Wave String

Sine Wave Inverter

Type

DC/AC Inverters

Battery Voltage

48VDC

Battery Type

Lithium/Lead-Acid

Rated Power

5000va/ 5000W

AC Input Voltage

230 VAC

Net Weight

12kgs

Transport Package

Carton

Specification

330*485*135mm

Trademark

Growatt

Origin

China

Key features

Pure Sine Wave Output: Delivers clean 230VAC power with 93% peak efficiency for sensitive electronics.

Flexible Battery Support: Compatible with both Lithium and Lead-Acid batteries at 48VDC.

High PV Input Voltage: Accepts up to 450VDC input with 6000W maximum solar array power.

Parallel Expansion Capability: Supports up to 6 units in parallel for a total capacity of 30kW.

Integrated MPPT Controller: Built-in solar charge controller with 100A max charging current.

Battery-Free Operation: Can function as a backup inverter without batteries to reduce costs.

Remote Monitoring Option: Optional WIFI and GPRS modules for real-time system tracking.

Fast Transfer Time: Switches to battery mode in 10ms typical for seamless power backup.

Company profile

Xiamen Wintop New Energy Tech Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-12-30 CertifiedNearest Port: Xiamen PortAverage Response Time: ≤7.21h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryXiamen Wintop New Energy Tech Co., Ltd. is a China-based combined business entity and trading company established in 2016, specializing in the research, production, and marketing of solar mounting systems and related accessories. It reports more than 10 production lines, 11–20 quality-control staff, five years of R&D engineer experience, and delivery within 15 working days in both peak and off-peak seasons. Its products cover ground, roof, farm, carport, and tracking systems, as well as solar accessories and panel-cleaning robots. The company states that it serves residential, commercial, and utility customers and exports 90% of total sales to Southeast Asia, the Middle East, East Asia, and Australia. No supplier-management-system certification is reported. Evidence of after-sales processes, independently verified financial strength, specific customization capabilities, or named customer cases is insufficient.

Supplier typeThe supplier is identified as a trading company and as a combined business entity, while its stated operations include R&D, production, and marketing of solar mounting systems. This indicates a mixed commercial and manufacturing profile rather than a purely manufacturing-only supplier.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. No certification holding is therefore evidenced in the provided information.

R&D capabilityThe supplier describes itself as a high-tech enterprise dedicated to R&D and reports five years of total R&D engineer experience. Its product range includes solar tracking systems and panel-cleaning robots, and it states a commitment to technological innovation and product optimization, supporting an explicit innovation orientation.

Production capacityProduction capability is supported by more than 10 reported production lines, 11–20 quality-control staff, a stated manufacturing-plant area, and declared R&D, production, and marketing activities. The supplier also reports order fulfillment within 15 working days during both peak and off-peak seasons, indicating stated capacity and delivery readiness.