20w mono small solar panel from chinese factory

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$0.55 - $0.65 / Watts | 1000 Watt/Watts (Min. Order)
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Monocrystalline Silicon
Max. Power:
Number of Cells:
36 (4x9)pcs
534x294x20 mm
Cell Type:
Monocrystalline 62.5*25mm (5 inch)
Front Glass:
3.2mm,High Transmission, Low Iron,Tempered Glass
Anodized Aluminium Alloy
Junction box:
IP65 Rated
Output Cable:
1*0.5mm2,Length 3m,DC Adapter
Supply Ability
Supply Ability:
2000 Piece/Pieces per Day
Packaging & Delivery
Packaging Details
Standard Export Carton and Pallets
Lead Time :
within 10-15 days since received the deposite

20w mono small solar panel from chinese factory 





Model TypeTDC-M20-36
Peak Power(Pmax)20 
Maximum Power Voltage(Vmp)17.2
Maximum Power Current(Imp)1.17
Open Circuit Voltage(Voc)21.2
Short Circuit Current(Isc)1.28
Maximum System Voltage(V)1000
Maximum Series Fuse Rating(A)10
Power Tolerance -3~+3%
Pmax Temperature Coefficients(W/℃)-0.47%
Voc Temperature Coefficients(V/℃)-0.39%
Isc Temperature Coefficients(A/℃)0.06%
NOCT Nominal Operating Cell Temperature(℃)47±2
Operating and Storage Temperature(℃)   -40~+85
Standard Test Condition(STC)1.000W/M2;AM 1.5;25℃


Cell TypeMono-crystalline 125×25 mm
No. of Cells36(2×18)
Dimensions550x290*20 mm
Weight 2.0kgs
Front Glass 3.2mm high transmission,low iron,tempered glass
FrameAnodized Aluminium Alloy
Junction boxIP65 Rated
Output cables2.5mm² Length 90mm,  MC4 connector








1.Solar power stations

2.Rural electrification, Small home power systems

3.Power supply for traffic, security, gas industry

4.12V and 24V battery charging system

5.Other industrial and commercial applications


As product quality is our service promise,we apply quality inspection in each process 


operation to ensure high product quality.


Rigorous quality testing is necessary through out the production process.


1.100% test for solar cell by flash testing.


2.100% EL testing before lamination,make sure every cell no dot,no scracth,no cracked


3.100% EL testing after lamnation,make sure no cracked during the lamination. 


4.100% falsh tesing before package & shippment,make sure power tolerance -3~+3% 


Detailed QC in each procedure enable TDC solar panel be used more than 25 years





Packing & Shipping




 1.  Q: Are you a factory or trading company ?

     A : We are   professional manufacturer.


2. Q: Is solar panel your main product ?

   A:Yes, But we also poly ,mono cells and  panels .Others like battery , Inverters  even  systerms .


3. Q: How can I get the samples ? 

    A: by air ,by  sea or by  express delivery .


4. Q: Can  the price be cheaper ?

     A : Of course  ,our price are commenly made on amount.. Bigger amount will surely enjoy a better price.


Our Services


Customized Sample are acceptable


Accept different payment conditions , T/T ,L/C , Paypal , Western Union , Escrow  to meet your different financial requirements


Welcome and accept 100% customers factory inspection before the poduction


Accept pre-shipment inspection from customers or third- party inspection copmany , to 100% promise the products are qualified  , safety , right quantity .


10years 100% warranty , 25years warranty for 80% , replace any problem products in the warranty without any charge


We provide 7days 24hours service !










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