What is the output waveform?

The output is a pure sine wave generated by a low frequency toroidal transformer.

off Grid Hybrid Solar Pure Sine Wave Inverter with 300W-1500W Low Frequency UPS

Name: off Grid Hybrid Solar Pure Sine Wave Inverter with 300W-1500W Low Frequency UPS
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 1934601785

Zhejiang, ChinaNINGBO KEMAPOWER ELECTRONICS CO., LTD.

US$57.62-118.73

1 Piece

Product profile

Customization

Available

Nature of Source Flow

Active Inverter

Certification

CCC, ISO9001, RoHS, CE, SAA

Model NO.

GPSW-T

Output Power

>1000W

Grid Type

off-Grid Inverter

Output Type

Single

Circuit Topologies

Half-Bridge Type

Nature of Wave String

Sine Wave Inverter

Type

DC/AC Inverters

Transport Package

Safety Packing

Specification

300-1500W

Trademark

KEMAPOWER

Origin

China

HS Code

8504403090

Production Capacity

60, 000PCS/Year

Key features

Pure Sine Wave Output: Delivers clean power suitable for sensitive electronics with low frequency toroidal transformer.

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

Multiple Working Modes: Selectable Grid power priority, Solar Power priority, or power Saver Modes.

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

Adjustable Charge Current: Max 30A adjustable charge current with selectable battery types including LiFePo4.

Detailed LCD Display: Shows working mode, input/output voltage, frequency, battery percentage, load, and fault alarms.

Wide Input Voltage Range: Accepts AC input from 73-138VAC or 145-275VAC with 45-65Hz frequency range.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤7.57hTerms 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.