Sunpal Half Cell Photovoltaic Solar Panels 550W 580W 700W Monofacial Solar Panel Supplier China

Product Description

Product Description
ELECTRICAL DATA(STC)

Model Number	SP525M-72H	SP530M-72H	SP535M-72H	SP540M-72H	SP545M-72H	SP550M-72H
Maximum Power (Pmax/W)	525	530	535	540	545	550
Open Circuit Voltage (Voc/V)	49.15	49.30	49.45	49.60	49.75	49.90
Short Circuit Current (Isc/A)	13.65	13.72	13.79	13.86	13.93	14.00
Voltage at Maximum Power (Vmp/V)	41.15	41.31	41.47	41.64	41.80	41.96
Current at Maximum Power (Imp/A)	12.76	12.83	12.90	12.97	13.04	13.11
Module Efficiency(%)	20.3	20.5	20.7	20.7	21.1	21.3
Temperature Coefficient of Isc	+0.045%/°C
Temperature Coefficient of Voc	-0.275%/°C
Temperature Coefficient of Pmax	-0.350%/°C

* STC (Standard Testing Conditions): Irradiance 1000W/m2, Cell Temperature 25°C, Spectra at AM1.5
*Test uncertainty for Pmax: ±3%
Grade A Material
Sunpal use AKOME anodized aluminum alloy frame, FLAT/XINYI 3.2mm coated tempered glass, FIRST EVA film, Tongwei/Aiko solar cell, Cybrid/Taiflex PET/TPT backsheet to get a grade A solar panel. Besides, junction box is IP68 waterproof, output cables is 300mm in length, can be customized.
Production Equipment
Stringent quality control is the cornerstone of Sunpal Solar's manufacturing. To ensure high quality, we continuously invest high quality production equipment. Sunpal now have solar panel production machine like LEAD stringer, MITSUBISHI electric laminators, ETSUN automatic lamination euipment etc. Modular fully automatic production line, fast delivery and cost saving. In order to achieve high utilization and efficiency, Sunpal Solar divides the entire production chain into separate but closely-knit automated production departments. Automatic production process, effectively avoid human error, ensure the entire production process from raw material inspection to packaging online monitoring, and save it for later use. Strict QC System
Four 100% Makes 100% High Quality Solar Panels 100% Cells Sorting Ensure Color and Power Difference. 100% Inspection Before and After Lamination, intelligent alarm and stop mechanism in case of any deviation or errors. 100% EL Testing Before and Following Lamination, ensure "Zero" micro crack monitoring before final inspection, Continuous line monitoring. 100% "Zero" Defects Objective Before Shipment, most stringent acceptance criteria and tightest tolerance. 100% Optimal Testing Ensure 0~+5W Positive Power Tolerance. Comprehensive QC information management system with barcode ID. Certifications
Sunpal Solar panel comply with TUV (IEC61215, IEC61730) and UL1730 . Also received certifications for Quality Management System (ISO 9001:2015), Environment Management System (ISO 14001:2015) and Occupational Health and Safety Management System (OHSAS 18001:2017) from both DNV GL and GZCC. Through close cooperation with international authorities like TUV, Intertek, CNAS and SGS, Sunpal Solar established in-house "Testing and R&D center", continuously polishes products with innovation and advanced manufacturing technology, improves the testing ability of PV industry chain and analyzing ability covering the entire life cycle of solar industry. OEM
Established in 2008, Sunpal Solar specializes in research, development, and sales of solar PV modules in early stage. Can do OEM and ODM according to the special needs of the product, like nameplate, package, size etc.. Exhibition Hall
As a world-class manufacturer of Solar products, Sunpal Solar focuses on the development, production and sales of Solarphotovoltaic products. Since its inception in 2008, Sunpal Solar has made remarkable achievements, outpacing most of our major competitors in terms of capacity and number of innovative designs. Sunpal Solar firmly believes that innovation is a key driver of progress through the pursuit of new technologies and greater efficiency. We are proud to be a leader in the photovoltaic industry in terms of technological innovation.
Packaging & Shipping

Model	SPxxxM-54H	SPxxxM-66H	SPxxxM-72H	SPxxxM-78H
Modules per box	36 pieces	31 pieces	31 pieces	30 pieces
Modules per 40' container	936 pieces	682 pieces	620 pieces	540 pieces

Note: The Above packing information contained in this web is subject to change without notice. We will offer wooden box packing with extra material and labor costs if your order less than a pallet, we accept any customized packing as per your requests. FAQ Question 1: What kind of Solar Cells we have?
Answer 1:Mono solar cell, such as 158.75*158.75mm, 166*166mm, 182*182mm, 210*210mm, Poly solar cell 156.75*156.75mm.Question 2: What is the lead time?
Answer 2:Normally 15 working days after advance payment.Question 3: What is your monthly capacity?
Answer 3:Monthly capacity is about 200MW.Question 4:What is the warranty period, how many years?
Answer 4: 12years product warranty, 25years 80% power output warranty for monofacial solar panel, 30years 80% power output warranty for bifacial solar panel.Question 5: How is your technical support?
Answer 5: We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you video call anytime, our engineer will also go to oversea help our customers if necessary.Question 6:How to become your agent?
Answer 6:Contact us through email, we can talk details to confirm.Question 7: Is sample available and free?
Answer 7:Sample will charge cost, but the cost will be refund after bulk order.