Is OEM and ODM service available?

Yes, we welcome OEM and ODM. We offer silk print customization and can print customer brand logos on gift boxes and products.

What payment terms do you accept?

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

What certifications does the product have?

The product holds TUV, CE, RoHS, FCC, PSE, IEC61215, IEC61730, and ISO 9001:2008 certifications.

40W Foldable Solar Panel USB DC Portable Mobile Phone Car Battery Folding Charger

Name: 40W Foldable Solar Panel USB DC Portable Mobile Phone Car Battery Folding Charger
Brand: Shenzhen Just-Solar Co., Ltd.
SKU: 744959222

Guangdong, ChinaShenzhen Just-Solar Co., Ltd.

US$47.50

1-999 Pieces

US$47.00

1,000-2,999 Pieces

US$46.50

3,000-4,999 Pieces

US$46.00

5,000-9,999 Pieces

US$45.00

10,000+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Compatible Brand

Charge for All Mobile Phones

Type

Portable

Model NO.

JS-PETM040-01

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

USB5V DC18V

Customized

Peak Power Pm(W)

Max. Power Voltage Vmp(V)

5/18

Max. Power Current Imp(a)

2/2.2

Folding Size/Weight

250*360*20mm/1250*360*5mm, 1.6kgs

Front Cover(Material/Thickness)

Frosted Pet/0.2mm; or ETFE/0.025mm

Back Material

Glass Fiber PCB/1.6mm

Output

USB5V2a, DC18V2.2A

Warranty

Pet Cover: 2 Years; ETFE Cover: 5 Years

Transport Package

Color Box

Specification

10pcs/carton

Trademark

JUST

Origin

Shenzhen

HS Code

94054090

Production Capacity

100000PCS/Month

Key features

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

Dual Material Cover Options: Choose between Frosted PET (2-year life) or ETFE (15-year life) for durability.

Foldable Portable Design: Compact folding size of 250*360*20mm, weighing only 1.6kgs for easy travel.

Multi-Device Compatibility: Outputs USB 5V/2A and DC 18V/2.2A to charge phones, tablets, and cameras.

Customization Available: Shape, size, holes, DC wire, USB types, and silk print logos are fully customizable.

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

Comprehensive Certifications: Certified by TUV, CE, RoHS, FCC, PSE, and ISO 9001:2008 standards.

Company profile

Shenzhen Just-Solar Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2004-05-05Nearest Port: SHEN ZHENAverage Response Time: ≤9.63hTerms 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.

Product Q&A

Q:What are the differences between PET and ETFE covers?

ETFE offers a 15-20 year lifespan, 90-98% light transmittance, and is thinner and lighter. PET offers a 2-5 year lifespan, 80-85% transmittance, and is thicker and heavier.

Q:How long does it take to charge a mobile device?

Charging time for batteries is typically 1-4 hours depending on the device's capacity and sunlight conditions.

Q:Can I customize the product size and shape?

Yes, the shape and size are optional. You can also customize holes, DC wires, USB types, and add your brand logo for free.

Q:What is the warranty period for this solar panel?

The warranty is 2 years for the PET cover and 5 years for the ETFE cover. The overall product life is over 6 years.

Q:What are the delivery times for different order quantities?

Samples are delivered within 3 days. Trial orders take 10-15 days. Mass quantity orders take 25-30 days.