156mm Mono-crystalline Solar cell Material: Mono-crystalline Dimension: 156mm* 156mm Diagonal: 200mm( straight chamfers) Busbar: 3line Front: silicon nitride anti-reflection coatings 3 sliver bus-bar Back: Full-surface aluminum back-surface field 3 sliver-aluminum back contact strips Electrical Performance work life: 25years Efficiency: 14.6% -18% Power: 3.5-4.3W Max Power Current: 7-8.05A Min Power Current: 6.9-7.8A Short Circuit Current: 7.96-8.5A Max Power Voltage: 0.49-0.53V Open Current Voltage: 0.61-0.62V Package: 1000pcs one carton box, each 100pcs sealed in inner box 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