How long is your delivery time?

Sample order: Swift delivery within 1-3 days upon receipt of full payment. Stock order: Fast processing ensures delivery within 3-7 days after full payment is received. OEM order: Scheduled delivery ranging from 12-30 days post deposit confirmation.

What shipping methods do you offer, and how much does shipping cost?

We provide a variety of shipping options to suit your preferences, including DHL, UPS, EMS, FedEx, TNT, air freight, railway, and sea shipping. Costs vary based on your location, so reach out to us and we'll help you choose the most economical option.

Where do you ship from?

Our products are dispatched either directly from our well-equipped factory in China or from our strategically located warehouse in Germany.

What is the warranty period for your products?

We stand behind our solar on/off-grid hybrid inverters with a robust 5-year warranty for your peace of mind.

Lefu New High Efficiency Single Phase off Grid Solar Power Inverter 3kw 4kw 6kw

Name: Lefu New High Efficiency Single Phase off Grid Solar Power Inverter 3kw 4kw 6kw
Brand: Shenzhen Lefu New Energy Co., Ltd.
SKU: 1959137611

Guangdong, ChinaShenzhen Lefu New Energy Co., Ltd.

US$151.50

1-49 Pieces

US$134.00

50-199 Pieces

US$116.60

200+ Pieces

Sample price:US$151.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online/Meeting

Warranty

5 Years

Model NO.

LF-GD3024EMH

Nature of Source Flow

Solar Inverter

Phase

Single

Output Power

3000W

Certification

CE, ROHS, ISO9001

Brand

Lefu

Type

DC/AC Inverters

Power Source

Solar Power, Battery

Circuit Topologies

Full-Bridge Type

Nature of Wave String

Sine Wave Inverter

Protection Level

IP21

MPPT Operating Voltage Range (V)

120-430V

Rated Voltage

24V

Rated Frequency

50Hz/60Hz±5%

Battery Types

Lithium/Lead-Acid

Battery Voltage

48V

Gw

28kg

Transport Package

Cardboard

Specification

345*254*105mm

Trademark

None

Origin

China

HS Code

8504403090

Production Capacity

5000/Month

Key features

5-Year Warranty: Comprehensive 5-year warranty coverage for all mechanical and electrical defects.

Customized AC Input: AC input voltage is customizable to 220VAC or 110VAC based on customer requirements.

Pure Sine Wave Output: Delivers clean pure sine wave output for safe operation of sensitive electronic devices.

Wide PV Input Range: Supports PV input voltage range from 40V to 500VDC with max 3000W array power.

Fast Transfer Time: Ultra-fast transfer time of 10ms in UPS mode and 20ms in inverter mode.

Multi-Battery Compatibility: Compatible with lead-acid, gel, water, and lithium batteries including 95% of brands.

High Efficiency MPPT: Advanced MPPT technology ensures optimal solar energy harvesting efficiency.

Comprehensive Protection: Includes overload, short circuit, low voltage, and reverse connection protection.

Company profile

Shenzhen Lefu New Energy Co., Ltd.Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2016-01-01Nearest Port: Shenzhen, GuangzhouAverage Response Time: ≤3.03hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryShenzhen Lefu New Energy Co., Ltd. is identified as a Chinese manufacturer/factory producing solar inverters, energy storage batteries and related systems. The supplier reports ISO 9001 and EICC certifications, four production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It states that 90% of sales are exports, with exporting activity since 2016 and coverage of Asia, Africa, and Latin America. The company describes tailored design solutions, 24/7 technical support, and after-sales service, but the available evidence does not independently verify these claims. The information supports positive assessments for supplier type, certifications, production capability, innovation resources, and customization claims. Financial credibility and customer cases cannot be conclusively assessed from the provided slices.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and is registered as a limited company in China. This directly supports its identification as a manufacturing supplier rather than only a trading intermediary.

CertificationsThe supplier states that it has a robust certification system and explicitly lists ISO 9001 and EICC management-system certifications. These stated certifications provide direct evidence of formal quality and responsible-business management systems, although the slices do not include certificate numbers, validity dates, or issuing bodies.

After-Sales capabilityThe company states that it provides 24/7 technical support and a seamless after-sales experience. This is explicit evidence of a claimed support capability, but no service-team size, response-time records, service locations, or customer verification is provided.

R&D capabilityThe supplier states that it focuses on technological innovation and offers products including solar inverters, LiFePO4 batteries, energy storage systems, and related accessories. It also reports 6–10 R&D engineers, which supports an established R&D resource, although no patents, specific technical achievements, or independently verified innovation results are provided.

Production capacityThe company is identified as a manufacturer/factory and reports four production lines, 6–10 quality-control staff, and 6–10 R&D engineers. These figures provide direct evidence of organized production and quality resources, though the slices do not state facility capacity, utilization, or lead times.

Customization capabilityThe supplier explicitly states that its expert team provides tailored design solutions for home and industrial energy storage systems. This supports a claimed ability to customize solutions, but no examples, configuration limits, engineering process, or completed customization cases are provided.

Product Q&A

Q:What are your main products?

We pride ourselves on offering a broad range of state-of-the-art solar energy solutions, including cutting-edge solar inverters, high-capacity energy storage batteries, and sophisticated energy management systems.

Q:Do you accept OEM or ODM services?

Absolutely! We are delighted to provide both OEM and ODM services to meet your specific needs and requirements.

Q:Can I install the solar energy system myself?

To ensure optimal safety and performance, we strongly advise engaging a professional installer or certified electrician. Also, bear in mind the potential installation costs that might arise.

Q:What certifications do your products have?

Rest assured, our products are backed by a comprehensive range of certifications including EN50549-1, IEC 62109-1&-2, IEC 61000-6-1&-3, VDE4105, CEI 0-21, G98&G99, UTE C15-712-120107, among others.

Q:What are your delivery terms?

We offer flexible delivery terms to suit your needs, including EXW, FOB, CFR, and CIF.