Is the output waveform pure sine wave?

Yes, it provides a pure sine wave output suitable for all types of loads.

What is the peak season lead time?

The peak season lead time is one month.

Can I monitor the inverter remotely?

Yes, optional RS232 and SNMP communication allow for remote monitoring and control.

5000W 4000W Kemapower Low Frequency Without Battery DC Pure Energy MPPT Power Single Phase off Grid Solar System Inverter

Name: 5000W 4000W Kemapower Low Frequency Without Battery DC Pure Energy MPPT Power Single Phase off Grid Solar System Inverter
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 863479755

Zhejiang, ChinaNINGBO KEMAPOWER ELECTRONICS CO., LTD.

US$109.85-700.00

1 Piece

Product profile

Customization

Available

Nature of Source Flow

Active Inverter

Certification

CCC, ISO9001, RoHS, CE

Model NO.

GPSW-II

Output Power

2kw

Grid Type

off-Grid Inverter

Output Type

Single

Circuit Topologies

Half-Bridge Type

Nature of Wave String

Sine Wave Inverter

Type

DC/AC Inverters

Product Name

3.5kw High Frequency Hybrid Solar Inverter with PA

Voltage

220V

Capacity

3.5kw

Caetificate

IEC

Transport Package

Safety Packing

Specification

2 KW

Trademark

kemapower

Origin

China

HS Code

8504403090

Production Capacity

60, 000PCS/Year

Key features

Pure Sine Wave Output: Delivers clean sine wave power with low harmonic distortion for sensitive electronics.

Low Frequency Design: Features a robust toroidal transformer for high efficiency and long service life.

Multiple Working Modes: Supports Grid Priority, Battery Priority, and Power Saver modes for flexible energy management.

Fast Transfer Time: Automatic transfer time is less than 10ms, ensuring seamless power switching.

Adjustable Charge Current: Max 30A adjustable charge current with selectable battery types via LCD monitor.

Comprehensive Protection: Includes overload, short-circuit, over-voltage, low-voltage, and over-temperature protection.

Smart LCD Display: Easy setup and monitoring of working mode, voltage, frequency, and battery status.

Optional Communication: RS232 and SNMP communication options available for remote control and monitoring.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤7.76hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Ningbo-based trading company associated with wholesale and retail, while other records describe factory facilities including five production lines, six to ten quality-control staff, and exports to Southeast Asia, the Middle East, and North America. It reports CE or UL certification for most products, annual customer training, 24/7 online technical service, after-sales support, OEM/ODM services, and new product development. However, formal procedures and records for supplier service assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and no SDK availability. Sustainability documentation and fire-drill status are unknown. Financial credibility cannot be assessed from the provided year labels alone.

CertificationsThe supplier states that most products have passed CE or UL certification, while its supplier-management-system certification is recorded as “Others.” The evidence supports product-level certification claims but does not identify a specific management-system certificate or coverage for all products.

After-Sales capabilityThe supplier advertises reliable after-sales guarantees, annual customer help and training, 24/7 online technical service, and stated peak/off-season lead times. Nevertheless, it has no written procedures or records for complaint handling, service-capability assessment, or corrective and preventive actions, which is an explicit process deficiency.

R&D capabilityThe supplier reports new-product development during the past year and provides ODM services, demonstrating product-development and design-manufacturing capability. It also reports no available SDK, so software-development support is not evidenced.

Production capacityThe supplier reports five production lines, six to ten quality-control staff, Ningbo factory-related location information, and lead times of within 15 working days off-season and one month during peak season. These details support established production operations, although annual output data is excluded from this assessment because it is monetary information.

Customization capabilityThe supplier explicitly offers customized products, low MOQ service, ODM services, and OEM services for well-known brands. This is direct evidence of both product customization and contract manufacturing capability.