125mm( 5' ) Mono-crystalline Solar cell Material: Mono-crystalline Dimension: 125mm* 125mm Diagonal: 150mm ( Round chamfers) Front: silicon nitride anti-reflection coatings 2 silver bus bar Back: Full surface aluminum back-surface field 2 silver-aluminum back contact strips Electrical Performance work life: 25years Efficiency: 14.6% -18% Power: 2-2.8W Max Power Current: 4.3-5A Min Power Current: 4.3-4.9A Short Circuit Current: 4.7-5.3A Max Power Voltage: 0.48-0.5V Open Current Voltage: 0.6-0.63V Benefits of our cells: High Cell-To-Module( CTM) ratio More power Excellent low-light level performance Offers broader geographical and climate application Quality visual and electrical characterization Provides long-term stability& reliability