Tiantechsolar has produced the half-cut PERC monoctystalline panel with a photoelectric conversion efficiency of up to 21.57% and a power output range of 390W-670W. The solar panel is classs A application class, 10BB grid line and 30 years product warranty, has a tolenrance of up to 5% and CE TUV approval. It can be used in PV System with Maximum system voltage 1000V / 1500VDC and an operating temperature between -40℃ and 85 ℃. Our solar panel mainly has the following selling of points: BLC TECHNOLOGY:Better light trapping and current collection technology PID Resistance:Selected material and stringent quality system ensure PID free Salt-resistant & Ammonia-Resistant Hot Technology & lower LID/LETID Enhanced Mechanical Load We have the sliver frame, black frame and all black solar panel option, welcome to make the appointment in advance if any demand. Email: sales@tiantechsolar.com   WhatsAPP/Wechat:0086 13816524131