Supplier Manufacturer Half Cut 400w 395w 400w 405w mono cell solar panel for home ,car
$0.21
/piece
price excl.VAT
Negotiable
- Minimal order
- 100 pieces
Message Phone call
Product Specifications
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Product Description
Overview
Quick Details
Place of Origin: Henan, China
Brand Name: HTsolar
Model Number: HET-405S72AH
Cell size: 156.75mmx156.75mm
Type: PERC, Half Cell, half cut solar cell panel 395w
Panel Dimensions: 2008*996*40mm
Panel Efficiency: 20%
Certificate: TUV CE, CE
Warranty: 25 YEARS, 25 years
Front cover: 3.2 mm Coated Tempered Glass
Back: TPT
Frame: Aluminum Alloy
Type of output terminal: Junction Box
Certification: TUV IEC CE ISO
Power tolerance: 0~+3%
Junction Box: PV Panel Connector TPT back sheet
Supply Ability
Supply Ability: 5000 Piece/Pieces per Month
Packaging & Delivery
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Model Type | HT-HM395W-144P | |||
Peak power | Pmax | Wp | 395 | |
Maximum power voltage | Vmp | V | 40.85 | |
Maximum power current | Imp | A | 9.67 | |
Short circuit current | Isc | A | 10.26 | |
Open circuit voltage | Voc | V | 41.17 | |
Module efficiency | % | 19.7 | ||
Mechanical Characteristics: | ||
Size | 1987*992*40mm/2015*996*40mm | |
Weight | 22.5KG | |
No. of Cells | 144(6*24)cells | |
Cell dimension | 156.7mm*156.7mm HALF CUT | |
Junction Box | IP67 | |
Connectors | PV Panel Connector | |
Temperature coefficient: | ||
NOCT cell | 46±2°c | |
Temperature coefficient Voc(%) | +0.04±0.015%/°c | |
Temperature coefficient Pm(%) | -0.3±0.02%/°c | |
Temperature coefficient Im(%) | -0.45±0.05%/°c | |
Temperature coefficient Vm(%) | +0.04%/°c | |
Operating temperatures | -40°c~+90°c | |
Surface pressure | 60m/s(200kg /m² ) | |
Half Cell Advantage
How They Work
If you cut a solar cell in half it will produce half as much current and one fourth as much resistance. But you'll have twice as many of them so, if they are wired up to operate like a standard solar panel, you will have the same current but with half the resistance. This lower resistance reduces electrical losses and improves panel efficiency.
But it's not that simple because there will also be twice as many connections that will have their own resistance as well. All up, the decreased electrical losses can increase the output of a panel by up to 3% over what it would be with full size cells. That's enough to bump a panel from 18% efficiency to 18.5%. In terms of panel wattage, it will increase a 300 watt panel to 309 watts.
1.Higher shade tolerance
Half Cell Module comprises two separated and identical solalr cell arrays, which means the ordinary strings of cells are cut into halves, and these shorter strings compose which has separated current paths. When a module is shaded, only one side shaded array's current will be impacted, while the other array will still be functionally producing power. Under this circumstance, when a module is shaded, the affected working areas of Blade will be 50% less.
By cutting solar cell into halves, the internal power loss will be lower and hot spot effect will also be reduced.
2.Lower resistive losses
In a solar panel, resistive power losses occur when electrical current transports through the cell interconnections. By cutting solar cells in half, the current is halved. The reduction current leads to lower resistive losses. This improvement in performance can increase the output of a panel by up to 2.5% over what it would be with full-size cells, which could be a good 9~10W per panel.
3. Better durability
Half-cut solar panels have multiple benefits in extending panel durability. Firstly, smaller cells reduce the stress on cell interconnection expansion and contraction as the panel heats and cools each day. And as smaller cells flex less, there is a decreased opportunity for cracking. Also, half-cut panels reduce the hot spot temperature, thus lower the risk of damaging the panel.
Packing & Delivery
Packing
Normally packing: 1pc/2pcs/3pcs/10pcs/25pcs per carton
Individual packing requirement is acceptable.
Shipping
Material in stock can be produced (procedure 5-20days) right away after pre-payment confirmation.
We will find the most suitable and safe mode of transportation,don't worry about package damage or loss. It takes about 7~15 working days to worldwide.
Please note us your contact details include your phone number for easy contacting from shipping company officer.
Shipping Methods | Arrive AT | Delivery From |
By Sea | Sea Port You Want | Any port in China |
By Air | Air Port You want | Any port in China |
By Railway | Your Door | Any station in China |
By Express | Your Door | Zhengzhou |
Payment
T/T , L/C, Western Union, Money Gram Paypal.
Global Exhibitions
Company Information
About us:
Hetech Energy is an international high-tech and growing group company, established in 2009, with 10 years' experience of solar modules manufacturing and PV power generation systems supplying. Our factory covers an area of 30,000 square meters, employing 350 peoples, with an annual production of 500MW, about USD50 million of annual production value.Hetech Energy is mainly engaged in crystalline silicon solar cells, modules, photovoltaic systems engineering and the research, manufacturing and sales of PV application products. In the past decades, Hetech Energy built a wide sales network in global market which covers more than 68 countries, our major target markets are Europe, USA, Southeast Asia, America, Australia, Africa, etc, Our overseas projects involves State grid solar power plant, household solar system, outside portable solar system,etc.With advanced manufacture technology, rich human resource and effective engineering and management system, Hetech now is constantly improve our production capacity of the PV cells to become one of the largest bases for the manufacture and application of solar PV and creating the most influential solar PV brand in 5 years. We hope to create a better tomorrow for human development!
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