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Foldable Solar Panel Charger for USB
Battery Monitoring Sensors

Foldable Solar Panel Charger for USB | RFQ Sourcing Details

Battery Monitoring Sensors · Quote on request

This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.

Quote on request

Product specs

CategoryBattery Monitoring Sensors
Unitset
CategoryBattery Monitoring Sensors
AvailabilityInquiry required
Updated2026-05-26

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Battery Monitoring Sensors. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

21W PET/ETFE MONO CRYSTALLINE SOLAR CHARGER SPECIFICATION Parameters JS-PETM021-01 Peak power Pm(W) 21±3% Open circuit voltage Voc(V) 21.6 Max. power voltage Vmp(V) 18V Max. power current Imp(A) 1.10 Short circuit current Isc(A) 1.21 Solar .5% Folding size/open size/weight 170*290*25mm/700*290*5mm,0.7kgs solar .

of .2mm;or ETFE/0.025mm Encapsulant(material) Ethylene vinyl acetate(EVA) Cloth/ Color 1000D polyester/Optional Junction box protection degree ≥IP65 Cable /Cable connector Model 2-4SQMM, USB/MC4/5521/SAE STC Irradiance:1000W/m 2 , ,AM:1.5 Solar panel back material glass fiber PCB/1.6mm( TPT/0.2mm) Output DC18V1.1A,USB5V2.4A*2 Power bank Input Output Battery capacity LED lamp Charging indicator Product color Black/white/yellow/blue/gray/silver Coefficient power TK -0.45%/ ºC Life PET≥5 years;ETFE: ≥15 years Warranty PET Cover: 2 years;ETFE: 5 years Product Certification / Standard TUV,CE,ROHS,FCC,PSE/ ( IEC61215&IEC61730 ) Other Certification ISO 9001:2008 re optional, shape and size are optional,DC wire are optional, USB kinds are optional) Important Knowledge: Difference between ETFE and PET Cover for solar panels 1.

Life-time ETFE: 15-20 years;PET: 2-5 years;2. Effeciency/Light Transmittance ETFE: 90%-98%, 15 years above 90% PET:80%-85%, 3 years below 70% 3. Thickness ETFE: 0.025mm PET:0.2mm 4. Flexible ETFE >PET 5. Weight ETFE PET 7.

Enviroment Resistance ETFE is the same as tempered glass, best in all materials Usage: can be hang on backpack,charge for panel computer,Ipad,;color: optional;OEM/ODM : Silk Print is optional;Different size: The same power, different size are optional;Main Parts:solar panel,cloth,USB,PCB.All parts can be provided separa;ii.Charging for batteries:1-4 hours according to capacity;iii.With holes to hang Package Information: See quotation sheet CHARGING FOR YOUR ll the original solar foldable bag below

Foldable | Applications and Buyer Notes

Foldable is organized as a sourcing-ready Battery Monitoring Sensors reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-ti

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Category
Battery Monitoring SensorsBased on visible page data; confirm exact value in the RFQ.
Unit
setBased on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

Key specifications

CategoryBattery Monitoring Sensors
Unitset

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