550W 560W 580W 600W Panel Solar with Black Frame Black Back Sheet High Efficiency Solar Panels OEM Orders

550w 560W 580W 600W Panel Solar With Black Frame Black Back Sheet High Efficiency Solar Panels OEM ordersModelBT-540K-SBT-545K-SBT-555K-SBT-560K-SRated Maximum Power at 540W545W555W560WOpen Circuit Voltage(Voc/V)49.6049.7549.9050.05Maximum Power Voltage(Vmp/V)41.6441.8041.9642.12Short Circuit Current(Isc/A)13.8613.9314.0014.07Maximum Power Current(Imp/A)12.9713.0413.1113.18Model Efficiency21.121.321.521.7Standard Test Condition(STC)Irradiance 1000w/m2, Cell Temperature 25 Centigrade, Air Mass 1.5    1. who are we?We are based in Jiangsu, China, start from 2010,sell to Africa(27.00%),South America(14.00%),Mid East(11.00%),Domestic Market(10.00%),Oceania(8.00%),Eastern Asia(7.00%),North America(5.00%),Southeast Asia(5.00%),South Asia(5.00%),Eastern Europe(4.00%),Central America(4.00%). There are total about 51-100 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Solar panel4. why  you buy from us not from other suppliers?dedicated to solar panel and solar related product for 8 years.5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;Language Spoken:English,Chinese/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1