20watt 30watt 50watt small size solar panel 12v

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US $10.59-16.35 / Pieces | 20 Piece/Pieces (Min. Order)
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Overview
Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
ZJLC
Model Number:
30W/18V&20W18V
Material:
Polycrystalline Silicon
Size:
628*290*25/541*540*25mm
Number of Cells:
36pcs
Max. Power:
30W
Certificate:
RoHS,CE,SGS,ISO
Name:
small size solar panel
Solar cell:
156mm*156mm
Working life:
25 years
Frame:
Anodized Aluminium Alloy
Junction Box:
IP65 Rated
Type:
3W-300w Solar Panels
Front cover:
3.2mm Thick.low Iron Tempered Glass
EVA:
Uvioresistent
Warranty:
25 Years
SupplyAbility
SupplyAbility:
450000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
1 peace in one brown carton box
Port
Shanghai/Ningbo
Lead Time :
15 days after deposit
Product Description

20watt 30watt 50watt small size solar panel 12v

 

Features

 

1.Can do 3W-300W Polycrystalline solar panel and monocrystalline solar panel

2.A grade high efficiency solar cells. 

3.Rohs/CE/SGS/ISO etc 
4.Fast shippment 
5.25 years warranty 
6.OEM/ODM

 

specifications of solar panel 

 

Module Type

20W/18V

30W/18V

Cell Type

156*156MM

156*156MM

Dimensions

628*290*25mm

541*540*25mm

Open Circuit Voltage(Voc)

21.5V

21.42V

Short Circuit Current(Isc)

1.31A

1.93A

Peak Power(Pmax)

20±3%

30±3%

Max Power Voltage(Vmp)

17.24V

17.64V

Max Power Current(Imp)

1.16A

1.71A

Standard Test Conditions

AM1.5 1000W/m2  25℃

AM1.5 1000W/m2  25℃

Temp. coefficient Voc(TK Voc)

-0.37%/℃

-0.37%/℃

Temp. coefficient Isc(TK Isc)

-0.06%/℃

-0.06%/℃

Temp. coefficient of Pm

0.48%/℃

0.48%/℃

Temp. coefficient of Im

0.45%/℃

0.45%/℃

Temp. coefficient of Vm

-0.34%℃

-0.34%℃

Operating Temperature

-40℃~+85℃

-40℃~+85℃

Tolerance Wattage(e.g±3%)

±3%

±3%

Max System Voltage

715V(DC)

715V(DC)

 20W.jpg

30w .jpg

20w2.jpg

50W .jpg


 
 

 

 

solar_energy_photovoltaic_power_system.jpg

Packaging & Shipping

 

Packing: in carton box

Shipping: air or ship, the best and most cost-efficient shipping way will be chosen.

 

panel packging_

Our Services

 Customize: We can develop new products according to your products, and we accept OEM service.

 Samples:Samples is avaliable, please contact us .

 Service:We are at your service in 24 hours, just contact us in anytime.

 Small order:We serve small orders.

 Warranty:One year warranty

 

certificates

Company Information

 

We are Zhejiang Longchi Technology Co.,Ltd,  a professional SOLAR products manufacturer in China, mainly produce Solar Panel, Mini Solar System, Home Solar System, SolarController and Inverter.

 

All of our products have CE, ROHS,SGS,ISO certificates. For more information, please view our website:www.zjlckj.com
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FAQ

 

• Are you manufacturer or trading company?

--- we are a manufacturer of solar panel, solar system and other solar modules.

• What kind of certification do you have?

--- We have already got CE,SGS,RoHS certifications. 

• What is the warranty of solar panels?

--- 10-year warranty on material and workmanship,90% power output in 10 years,80% in 25 years

• How to get the best price?

---We need more information about your demands, such as the power/material/Qty/size, then We can

    suggest the suitable type and offer the best price.

• How can I know the quality?

---We are willing to provide you samples to test the quality. In addition, we also sincerely invite you to our company to evaluate the products, and give us more suggestions.

• Why do business with Longchi Technology?

A. As the manufacturer, we have professional technical persons, providing you the most professional technical support. 

B. Competitive price will be provided.

C. We will spare no efforts to off the best service, answer your questions the first time. 

D. Our delivery time is shorter and can be guaranteed.