What is the transfer time for this UPS?

The transfer time is 4-6ms, ensuring minimal interruption during power switches.

Can the UPS operate in cold start mode?

Yes, the UPS features a cold start function, allowing it to operate even without AC input.

What is the output waveform type?

The output waveform is a simulated sine wave.

Single Phase 220V 500va 300W UPS Battery Uninterruptible Power Supply Mini 500va Computer Backup Offline UPS

Name: Single Phase 220V 500va 300W UPS Battery Uninterruptible Power Supply Mini 500va Computer Backup Offline UPS
Brand: Foshan Kemapower Electronics Co., Ltd.
SKU: 866129195

Guangdong, ChinaFoshan Kemapower Electronics Co., Ltd.

US$15.00-81.26

1 Piece

Product profile

Customization

Available

Phase

Single Phase

Type

Line Interactive

Model NO.

Protection

Short Circuit

Application

Industry

Classification

Lighting/Power

Standby Time

Standard Machine

Standby UPS

Sine Wave Output UPS

Output Capacity

Large Type

Equipment Mode

Centralized Model

Brand

Kemapower

Battery Voltage

12/24/48VDC

Full Protection

Over Discharge, Short Circuit and Overload Protect

Transport Package

Safety Packing

Specification

4~22KG

Trademark

KEMAPOWER

Origin

China

HS Code

8504402000

Production Capacity

600, 000PCS/Year

Key features

Line Interactive UPS: Provides stable power with SMT technology and AVR protection for short circuit and overload.

Wide Input Voltage Range: Supports 81-145VAC or 145-275VAC input, ensuring compatibility with unstable power grids.

Smart Battery Management: Features silent setup, auto restart when AC recovers, and cold start function for reliability.

Flexible Battery Options: Customizable battery voltage including 12V, 24V, and 48VDC to suit different system needs.

Comprehensive Protection: Full protection against over discharge, short circuit, and overload with LED and audible alarms.

Optional Connectivity: USB, RJ45, RS232, and SNMP interfaces are available for advanced monitoring and management.

LCD Display Option: Optional LCD screen provides real-time data on input/output voltage, frequency, and load percentage.

Low Noise Operation: Operates with a noise level of less than 40dB, suitable for office and home environments.

Company profile

Foshan Kemapower Electronics Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2004-09-16Nearest Port: GUANGZHOU,SHENZHENAverage Response Time: ≤9.89hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others, FCA

AI-Powered supplier vetting

SummaryThe provided records describe Foshan Kemapower Electronics Co., Ltd. as a China-based manufacturer/factory producing backup power and solar-energy products, with more than 20 years of experience and exports beginning in 2004. Reported products include UPS systems, inverters, solar charge controllers, batteries, solar panels, and related solar-power equipment. The supplier reports ISO 9000, ISO 9001, ISO 14001, and OHSAS/OHSMS 18001 certifications, 6–10 R&D engineers, and 6–10 quality-control staff. Stated annual capacities include 100,000 UPS units, 80,000 inverters, 200,000 batteries, and 100,000 solar charge controllers. The records also contain inconsistent identity information, including Green Master Electronics Co., LTD. and Foshan Xinchen Electronic Co., Ltd., with personal-care products listed in one record. After-sales support, customization capability, and customer cases are not sufficiently evidenced.

Supplier typeFoshan Kemapower Electronics Co., Ltd. is explicitly identified as a manufacturer/factory in Guangdong, China, with products centered on backup power and solar systems. However, other slices identify Green Master Electronics Co., LTD. and Foshan Xinchen Electronic Co., Ltd., and one lists personal-care products, creating an unresolved identity and scope inconsistency.

CertificationsThe supplier is reported to hold ISO 9000, ISO 9001, ISO 14001, and OHSAS/OHSMS 18001 certifications. The records do not provide certificate numbers, validity dates, issuing bodies, or confirmation that each certificate belongs to the same legal entity.

After-Sales capabilityThe company description explicitly mentions after-sale service and support and states an intention to build long-term customer relationships. No operational details, service locations, response times, warranty terms, or support staffing are provided.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience and offers multiple inverter, battery, controller, and solar-system product categories. This supports the existence of some technical development capability, but there is no evidence of patents, proprietary technologies, new-product records, or documented innovation outcomes.

Production capacityThe supplier is identified as a manufacturer with reported annual capacities of 100,000 UPS units, 80,000 inverters, 200,000 batteries, and 100,000 solar charge controllers. It also reports exports representing 41%–50% of sales and export activity since 2004, indicating established production and international supply experience.