What are the shipping options and times?

Express shipping (DHL/UPS) takes 3-7 days, FedEx/TNT takes 5-7 days, and EMS takes 5-10 days.

How do you ensure product quality?

We conduct pre-production samples, final inspections before shipment, and test all products before delivery.

What payment methods do you accept?

We accept T/T bank transfer, PayPal, Western Union, L/C at sight, and Money Gram.

Longi Solar Panel Hot Sell Competitive Price Fast Charging Cheap Solar Cell 21W Solar Energy Solar Cell PV Solar Panel

Name: Longi Solar Panel Hot Sell Competitive Price Fast Charging Cheap Solar Cell 21W Solar Energy Solar Cell PV Solar Panel
Brand: Shenzhen TopSuny Solar Energy LLC
SKU: 1923906221

Guangdong, ChinaShenzhen TopSuny Solar Energy LLC

US$26.80

500-999 Pieces

US$26.50

1,000-1,999 Pieces

US$25.00

2,000+ Pieces

Sample price:US$27.00/pieces.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

12 Months

Model NO.

TP-SP-D21

Number of Cells

36pcs

Application

Outdoor &Home Solar Power System

Condition

New

Certification

CE, RoHS, FCC,Reach

Material

Monocrystalline Silicon

Type

Mwt

Cell Size

158.75mmx158.75mm

Panel Efficiency

22%

DC-5521 Port

12V/2.3A

USB Port

5V/2.4A

USB QC3.0 Port

5V/3A, 9V/2A, 12V/1.5A

Battery Cells

Mono-Si Efficiency 22%

Folded

195*290*T25mm

Unfolding Size

290*585*2mm

Item Weight ( Kg/Lb )

0.8kg/1.8lb

Transport Package

Carton

Specification

195*290*T25mm

Trademark

OEM&ODM

Origin

China

HS Code

8501310000

Production Capacity

10000 PCS One Month

Key features

High Efficiency Panel: 21W max power with 22% panel efficiency using SunPower cells.

Multiple Charging Ports: Features USB, QC3.0, and DC ports for fast charging various devices.

Portable & Foldable: Folded size 195*290*25mm, lightweight at 0.8kg for easy travel.

Comprehensive Certifications: CE, RoHS, FCC, and Reach certified for safety and quality.

OEM/ODM Service: Customizable type, cell size, and ports based on client design.

1 Year Warranty: Provides 12 months warranty and after-sales service support.

Company profile

Shenzhen TopSuny Solar Energy LLC

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2012-09-01Average Response Time: ≤10.24hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryTopSuny is identified as a China-based trading company with manufacturer/factory and group-corporation classifications, focused on solar, energy-storage, EV-charging, and related products. The supplier states that it integrates R&D, design, and manufacturing, offers OEM/ODM services, and operates a factory with ISO 9001 certification, more than 10 production lines, and separate R&D and quality-control personnel. Its export activity is substantial, with exports representing 71%–90% of total sales and exporting activity beginning in 2012. Evidence supports production, customization, and international-trade capabilities. However, the provided information does not establish specific after-sales processes, financial credibility, or verifiable customer cases. The representative job-title field is also unavailable.

Supplier typeThe supplier is described as a trading company in Shenzhen, while its business-entity classification also includes Trading Company, Manufacturer/Factory, and Group Corporation. This indicates a mixed trading and manufacturing profile rather than a purely manufacturing-only supplier.

CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a recognized quality-management certification, although no product-specific certifications are provided.

R&D capabilityThe supplier explicitly states a commitment to continuous improvement and innovation and reports an integrated R&D, design, and manufacturing chain for EV chargers, power-storage products, and solar systems. It also reports 21–30 years of combined R&D-engineer experience, supporting innovation capability.

Production capacityThe supplier states that it integrates manufacturing for EV charging stations, power-storage products, battery packs, and solar systems. Its reported factory location, more than 10 production lines, and 21–30 quality-control staff provide explicit evidence of established production infrastructure.

Customization capabilityThe supplier explicitly states that it provides OEM and ODM services to brands worldwide, covering power banks, battery packs, and solar systems. This directly supports both contract manufacturing and product-design customization capability.