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First, you should consider your needs for purchasing a power station and for running what particular type of equipment. Secondly, you need to know the power of the specific equipment, and whether the SEIVING model can run your equipment, meeting your needs. Generally, there will be voltage and current information specified on the body of household electrical equipment. You need to determine whether the voltage falls within the allowable range of SEIVING's solutions. If it does, you can use this

High Capacity 300W Portable Power Station with Wireless Charging

Name: High Capacity 300W Portable Power Station with Wireless Charging
Brand: Qingdao Seiving New Energy Resources Co., Ltd.
SKU: 2085686382

Shandong, ChinaQingdao Seiving New Energy Resources Co., Ltd.

US$125.00-139.00

1 Set

Sample price:US$125.00/piece.Request sample

Product profile

Customization

Available

Nominal Capacity

300W

Size

240*185*138mm

Model NO.

SY-300-127

Weight

3.9kg

Warranty

12 Month

Battery Capacity

20000mAh, 12.8V

Battery Type

Lifep04

Service Life

3000+

MPPT/DC 5521 Charge

10.8V-23.5V 3A

Type-C1 Output

Pd30W

Type-C2 Inout

Pd60W

2*USB Output

QC3.0/Afc/Fcp/ 18W

Cigarette Lighter Output

12V/ 10A

AC Output

110V or 220V

DC Charge Full Time

4~5 Hours

OEM

Yes

Color

Customization

Shell Material

ABS+PC( 3:7)

Certificate

GB4943 /UL274 3/Fccs Doc/IC Es/Psw +Meti/ C- Tick/

Transport Package

Carton Packing

Specification

240 x185x 138mm

Trademark

SEIVING

Origin

Shandong China

HS Code

8504401900

Production Capacity

50000 Set Per Year

Key features

High Capacity & Fast Charging: 20000mAh battery with 30W Type-C1 and 60W Type-C2 PD output for rapid device charging.

Versatile Power Outputs: Features AC 110-220V, DC 12V, USB QC3.0, and solar/DC input to power various appliances.

Eco-Friendly & Silent Operation: Zero noise and fumes, providing clean power for camping, outdoor, and emergency use.

Customizable Design: Offers OEM/ODM services with customizable color, battery capacity, and shell material.

Global After-Sales Support: 20+ overseas branches provide repair, replacement, and 24-hour response technical support.

Durable Lifepo4 Battery: High-cycle Lifepo4 battery ensures a lifespan of 3000+ cycles for long-term reliability.

Portable & Lightweight: Compact size (240*185*138mm) and light weight (3.9kg) for easy carrying and storage.

Certified Safety Standards: Complies with CE, UL2743, FCC, IC, and Meti certifications for safe global usage.

Company profile

High Repeat Buyers ChoiceYears of Export ExperiencePatents AwardedQuality Assurance

Qingdao Seiving New Energy Resources Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.56h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with R&D, 3D design, SDK, and broad customization capabilities. It holds ISO 9001 and ISO 14001 certifications and reports documented quality, complaint-handling, and corrective-action procedures. The company has export experience to 62 countries, recognized industry qualifications, patents, awards, and reported cooperation on the Qingdao SCO Summit. Production-related evidence includes specialized equipment, valid manufacturing contracts, inventory capability, and standardized finished-product inspection instructions. However, overseas support infrastructure is limited: it reports no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and lists zero countries with overseas service offerings despite describing available installation, maintenance, repair, debugging, and training services. Financial records are referenced for multiple years, but the provided slices do not disclose financial results or sufficient...

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and is described as a National High-Tech Enterprise and a Specialized, Refined, Differentiated, and Innovative demonstration enterprise. These classifications support its positioning as a technology-oriented and industry-focused supplier.

CertificationsThe supplier holds ISO 9001 and ISO 14001 management system certifications. It is also described as a National High-Tech Enterprise and a Qingdao AAA-rated enterprise for quality, service, and credibility, providing explicit evidence of recognized qualifications.

After-Sales capabilityThe company states that it has a comprehensive after-sales service system, documented procedures and records for corrective actions and customer complaints, and quality assurance. It offers debugging, maintenance, repair, training, and equipment installation, but has no overseas warehouse, showroom, agents, or branches and reports zero countries with overseas service offerings, indicating strong documented service processes but limited overseas infrastructure.

R&D capabilityThe supplier holds exclusive patents for a solar streetlight controller and a solar streetlight with payment function, is described as a leader in energy-saving innovation, provides R&D and 3D design services, and has an available SDK. Its high-tech designation and innovation awards further support strong innovation capability.

Production capacityProduction evidence includes laser scribing, laser spot-welding, spot-welding, high-precision and large-capacity dividing-cabinet, and LED oven equipment. The supplier also reports valid manufacturing contracts with associated subcontractors, inventory capability, and standardized finished-product inspection instructions, supporting established production operations.

Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design services. This indicates broad ability to support both limited modifications and fully customized solutions.

Client casesThe supplier reports exports to 62 countries, a strong domestic and international reputation, cooperation as a supplier and construction partner for the Qingdao SCO Summit, and multiple industry awards. These statements provide identifiable market and project references, although specific customer names and detailed case outcomes are not provided.