Main Features 鈼?High dynamic MPPT efficiency up to 99% 鈼?High efficiency up to 98%, and European weighted efficiency up to 97.3% 鈼廢p to 6600W of charging power at 40掳C, and power de-rating to 50% when temperature reaches 60掳C 鈼?Communication: Auxiliary contact, RS485 support T busController suppliers website:http://www.brsolarsystem.com/controller/