Trina Solar 685W Solar Panel, 22.1% Efficiency, High Power Output, Bifacial, Dual Glass Module, Guaranteed First Year Degradation, Excellent Performance, ISO Certified Trina Solar 685W Bifacial Dual Glass Module Dimensions: 1303mm x 1303mm x 33mm. 1-V Curves: 20.0-49V, 4-99A.. Trina Solar 685W Solar Panel, 22.1% Efficiency, High Power Output, Bifacial, Dual Glass Module, Guaranteed First Year Degradation, Excellent Performance, ISO Certified Trina Solar 685W Bifacial Dual Glass Module Dimensions: 1303mm x 1303mm x 33mm. 1-V Curves: 20.0-49V, 4-99A.. Product Documentation Certifications & Qualifications Questions about this product? . Huasun's HJT solar cell, based on N-type Silicon Wafer, utilizes [. ] Too many choices of suppliers and products? Let our team find suppliers for you, for free! Check out other solar module power ranges Looking for Solar Equipment Suppliers? Let goes come to you instead of running around. . Subscribe to updates – we'll let you know when 685 watt solar panels are back in stock. Normally, we update products every 2 weeks. By clicking "Notify me", I agree by electronic signature to: (1) receive marketing and other texts and messages from A1 SolarStore, directly or from third parties. . SAKO 685W-705W PV module with 10bb half-cut mono Perc cell technology with multi bus-bar design, improved cells efficiency and get higher output power. The module efficiency up to 21.3%. Such panel can reduce energy loss caused by shading due to new cell string layout and lower cell connection. . Solar Panel Calculator is an online tool used in electrical engineering to estimate the total power output, solar system output voltage and current when the number of solar panel units connected in series or parallel, panel efficiency, total area and total width. These estimations can be derived. . To calculate the current when your solar panel is generating its maximum power, you need to divide the maximum rated power of the panel in watts by the maximum power voltage (Vmp) which is also in volts. You can find the wattage of your panel on the back of it, or in the installation manual.