Double side glass technology makes panels stronger. It helps them handle bad weather and last over 25 years. Pick places with bright surfaces like white gravel for installation. This. Professional installation determines bifacial panel performance. 5 meters for ground-mount), optimal array spacing to maximize rear-side irradiance, electrical configuration for increased current capacity, and site preparation for. ing the installation and safe handling of DAS SOLAR CO.,LTD, photovoltaic module (hereafter referred o as “m s must read and understand this guide ality & Customer Support dep nstallers should familiarize in a safe place for future reference (care and 50V DC or 240W, where general contact access. with installation, operation, use or maintenance of modules. No responsibility is assumed by JA Solar for any infringement of patents or othe rights of third parties that may result from use of modules. JA Solar reserves the right to make changes to the produc, specifications or installation. This manual contains important safety instructions for the Solar Photovoltaic Modules (hereafter referred to as “Modules”) of JA Solar Technology Co. (hereafter referred to as “JA Solar). Installers should follow all safety precautions described in this guide as well as local codes when. Significant Performance Gains: Frameless bifacial solar panels can generate 10-35% more electricity than traditional monofacial panels by capturing sunlight from both front and rear surfaces, with optimal installations achieving the higher end of this range when combined with highly reflective.