The XTRA4415N G3/G3 BLE from EPEVER is a Solar Charge Controllers with System Voltage 12 to 48 V, Rated Current 40 A, Power Rating 520 to 2080 W, Efficiency 99.5 %, Operating Temperature -25 to 50 Degree C. Tags: Maximum Power Point Tracking (MPPT). More details for XTRA4415N G3/G3 BLE can be seen below.