【New Design】Top Selling 250W 15V using 9BB 166mm High Efficiency Solar Cells and cutting-edge encapsulating material with multi-layered sheet laminations.Higher cell efficiency by using 9 busbars technology. Compared with 5BB solar panel cells, the 9BB solar cell has a better and longer lifespan.【Dimension】54.72*34.45*1.38inch. High winds (2400PA) and snow loads (5400PA).【Maximum power (Pmax)】250W, Voltage at Pmax (Vmp):23.83V, Current at Pmax (Imp): 10.51A.【Easy Installation】Diodes are pre-installed in the junction box, with a pair of pre-attached 3ft solar connector cable.【Warranty】2-year limited material and workmanship warranty. 10-year 90% output warranty. 25-year 80% output warranty. Product Description Easy Installation The panel comes with four easy mounting holes with a diameter of 9x 14mm, and two grounding holes with a diameter of 5mmWith a pre-attached 3ft solar connector, the panel can be quickly connected to other itemsCompatible with Newpowa z-bracket, tilt adjustable mount, and pole/wall bracket, the panel can be installed for various applications Versatile Supported by a wide range of mounting options including flat surface, pole and wall installationCommon applications includes RV, camper, SUV, marine, residential rooftop, remote farm, disaster relief, traffic signs, etc. High-efficiency Uses high-performance Mono cells encapsulated in EVA (ethylene-vinyl-acetate)Pre-installed bypass diodes inside junction box that minimize power drops caused by shading Specifications Dimension: 54.72*34.45*1.38 inchesWeight: 29.1lbsMax Power Output(W): 250WVoltage MPP Vmp(V): 23.83VCurrent MPP Imp(A): 10.51AVoltage Open Circuit Voc(V): 27.28VShort Circuit Current Isc(A): 11.09A FAQ 1: Does a Solar Panel produce full power? A: In most cases, it is normal for a solar panel to not be able to provide its full nominal power. Factors affecting the performance of solar panels: Peak Sun Hours， Sunlight Angle， Operating Temperature， Installation Angle， Panel Shading， Adjacent Buildings Etc... 2: How to test a solar panel? A: The ideal conditions: Test in the noon, under a clear sky, panels should be at 25 degrees tilted towards the sun, and the battery is at a low state/less than 40% SOC. Disconnect the solar panel from any other loads, using a multimeter to test the panel's current and voltage. 3: How does temperature affect solar panel efficiency? A: Solar panels are generally tested at about 77°F/25°C and are rated to perform at peak efficiency between 59°F/15°C and 95°F/35°C. Temperature going up or down will change the efficiency of the panels. For example, if the temperature coefficient of power is -0.5%, then the panel maximum power will be reduced by 0.5% for every 50°F/10°C rise. 4: How to install our solar panels using different brackets? A: There are mounting holes on the panel frame for easy installation using a variety of brackets. Most compatible with Newpowa's Z-mount, tilt-adjustable mount, and pole/wall mount, making panel mounting suitable for a variety of applications. 5: Can I connect different solar panels together? A: Though mixing different solar panels is not recommended, the mismatch can be achievable as long as each panel’s electrical parameters (voltage, current, wattage) are carefully considered. MAX Watt 100W Compact 100W 180W 200W 220W Dimensions (in.) 28.54x27.76x1.18 38.58x20.87x1.18 58.35x26.57x1.38 55.28x27.76x1.38 56.69x30.12x1.38 Weight (lbs) 13 13.2 24.5 24 26.62 Solar Charge System Accessories Negative Ground, up to 520/1040W(12/24V), adjustable for Gel AGM,Liquid, Lithium Batteries Negative Ground, up to 630W(12V), adjustable for Gel AGM,Liquid, Batteries 700W Portable Solar Generator 2000W Power Inverter DC 12V to 110V AC Pure Sine Wave IP67 Waterproof Track Page Views WithAuctiva's Counter