Chinese company LONGi produces the LR4-72HPH-425M, a 425W solar panel. Since 2007, LONGi has been manufacturing solar cells, making it the industry leader in this field. An effective monocrystalline 72-cell module with great electrical and reliable structural performance is the LR64 series. These modules have MC4 connectors, the usual -0/ 5W sorting, and black 35mm frames with white back sheets.
