What certifications does the product have?

The product is certified with TUV, CE, ROHS, FCC, PSE, IEC61215, IEC61730, and ISO 9001:2008.

What payment terms are accepted?

We accept T/T, L/C, Western Union, and PayPal. Prices can be quoted as EXW, FOB, CFR, or CIF.

What is the warranty period for the solar charger?

The ETFE material has a 5-year warranty. For direct buyers, we cover freight for quality issues within 2 years.

20W Solar USB Portable Mobile Phone Battery Power Bank Foldable Panel Charger Portable Power Supply

Name: 20W Solar USB Portable Mobile Phone Battery Power Bank Foldable Panel Charger Portable Power Supply
Brand: Shenzhen Just-Solar Co., Ltd.
SKU: 745024722

Guangdong, ChinaShenzhen Just-Solar Co., Ltd.

US$25.00

1-999 Pieces

US$23.00

1,000-4,999 Pieces

US$21.00

5,000-9,999 Pieces

US$19.00

10,000+ Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Compatible Brand

Charge for All Mobile Phones

Type

Portable

Model NO.

JS-ETM020-01

Power Source

Solar

Quick Charging Function

With Quick Charging Function

Charger Cable Length

8 to 9.9 Feet

Over-Current Protection

With Over-Current Protection

Display

Without Display

Color

Optional

Socket Type

USB

Customized

Peak Power Pm(W)

Max. Power Voltage Vmp(V)

5/18

Max. Power Current Imp(a)

4/1.1

Size/Weight

410*520*15mm/515*215*26mm/0.65 Kgs

Front Cover(Material/Thickness)

ETFE/0.025mm

Back Material

Glass Fiber PCB/1.6mm

Output

USB:5V4a DC:18V1.1A

Warranty

ETFE: 5 Years

Transport Package

Color Box

Specification

10pcs/carton

Trademark

JUST

Origin

Shenzhen

HS Code

94054090

Production Capacity

100000PCS/Month

Key features

ETFE Solar Panel Material: High durability ETFE front cover with 15-20 years lifespan and superior light transmittance.

Foldable & Portable Design: Compact folding size of 410*520*15mm, weighing only 0.65kg, ideal for backpacks and travel.

Dual Output Ports: Provides USB 5V/4A and DC 18V/1.1A outputs for charging various mobile devices and batteries.

Customizable Options: Color, shape, holes, DC wire, and USB types are optional. Silk print logo is available.

High Efficiency Cells: Mono crystalline solar cells with 20-21% efficiency for optimal power generation.

Fast Charging Capability: Charges mobile batteries in 1-4 hours depending on capacity, with quick charging function.

Robust Protection: Features over-current protection and IP65 rated junction box for weather resistance.

Multiple Certifications: Certified by TUV, CE, ROHS, FCC, PSE, IEC61215, IEC61730, and ISO 9001:2008.

Company profile

Shenzhen Just-Solar Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2004-05-05Nearest Port: SHEN ZHENAverage Response Time: ≤8.01hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FAS, DDP, FCA, EXW

AI-Powered supplier vetting

SummaryShenzhen Just-Solar Co., Ltd. is identified as a China-based manufacturer/factory operating in Guangdong, with separate production entities described for domestic and overseas business. The supplier reports multiple management-system certifications, 50 quality-control staff, more than 10 production lines, extensive solar-product output, export activity since 2004, and sales coverage across multiple global regions. It states that it provides product design, R&D, manufacturing, shipment arrangement, warranties, after-sales service, and market suggestions. The available information supports strengths in manufacturing scale, export experience, product development, customization, and stated service capabilities. However, financial credibility cannot be assessed because relevant financial information is excluded, and the representative-title record is invalid or unusable.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, with production locations in Shenzhen, Guangdong, China. Its descriptions identify separate production entities for domestic and overseas business, supporting direct manufacturing involvement rather than a purely trading profile.

CertificationsThe supplier lists BSCI, ISO 9000, ISO 9001, ISO 14001, ISO 14000, HSE, GMP, EICC, and QC 080000 as supplier-management-system certifications. The slice does not provide certificate numbers, validity dates, issuing bodies, or scopes, so the assessment is based on the stated holdings only.

After-Sales capabilityThe supplier explicitly states that it provides a warranty period for each product, after-sale service, and reasonable suggestions for solar products and markets. It also describes support across the full shipment process, indicating a stated service capability beyond production.

R&D capabilityThe supplier states that it designs, researches, develops, and manufactures solar products according to customer requirements, and reports total R&D-engineer experience of 31–40 years. These statements support product-development capability, although they do not quantify patents, laboratories, or new-product launches.

Production capacityThe supplier is identified as a factory and reports more than 10 production lines, 50 quality-control staff, and substantial stated output for solar systems, panels, chargers, and lights. It also lists a broad solar-product portfolio and export coverage across multiple regions, supporting significant production breadth and capacity.

Customization capabilityThe supplier explicitly states that it designs, researches, develops, and manufactures solar products according to customer requirements and supplies products in customers' quality classes. This directly supports customization in product design and quality specifications.

Client casesThe supplier lists Shell, Geodrill, Newmont, Tullow, and Heineken as main customers. These named customer references provide explicit evidence of customer cases, although the slices do not include project details, transaction scope, or verification documentation.