What should I look for when buying a portable power station?

Consider your equipment's power needs, voltage, and current. Ensure the SEIVING model's output range matches your device's requirements.

Can you ship Portable Power Bank products by sea or air?

Yes, we have long-term cooperative forwarders who are professional at battery shipment via sea or air.

High Capacity 500W Portable Power Station with Smart Battery Management

Name: High Capacity 500W Portable Power Station with Smart Battery Management
Brand: Qingdao Seiving New Energy Resources Co., Ltd.
SKU: 2086136862

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

US$170.00-190.00

1 Set

Sample price:US$170.00/piece.Request sample

Product profile

Customization

Available

Nominal Capacity

480wh

Size

254*200*182mm

Model NO.

SY-500-238

Weight

6.5kg

Warranty

12 Month

Battery Capacity

25000mAh, 19.2V

Battery Type

Lifep04

Service Life

3000+

Solar Charge

DC5521

Type-C1 Output

Pd100W (QC3.0/QC2.0/Afc/Bc1.2/Apple )

Type-C2 Inout

Pd24W (QC3.0/QC2.0/Afc/Bc1.2/Apple )

Type-C2+DC Charge

Pd100W+DC100W

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

510*310*300mm

Trademark

SEIVING

Origin

Shandong China

HS Code

8504401900

Production Capacity

50000 Set Per Year

Key features

High Capacity & Fast Charging: 480Wh capacity with PD100W Type-C1 output and 4-5 hours DC full charge time.

Multi-Interface Output: Features AC 110-220V, Type-C PD100W/24W, USB QC18W, and 12V/10A cigarette lighter.

Premium LiFePO4 Battery: Uses Lifepo4 battery type with a lifespan of 3000+ cycles for long-term reliability.

Global Certification: Certified with CE, FCC, UL2743, IC, and METI for safe international use.

Portable & Durable Design: Compact size 254x200x182mm, lightweight 6.5kg, with ABS+PC shell material.

Flexible Customization: Supports OEM/ODM services with customizable battery capacity, color, and shell material.

Versatile Recharging: Can be charged via AC, Solar (up to 200W), or Car Socket for outdoor convenience.

Global After-Sales Support: 24-hour response time with 20+ overseas branches for repair and replacement services.

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: ≤3.28h

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.