Features:12V/24V/48V automatic identification, user can set the voltage according to actual need.High quality shell design for effectively shielding signal interference, excellent heat dissipation performance.Unique Maximum Power Point Tracking (MPPT) technology, tracking efficiency up to 99%.Adopt temperature compensation, automatically adjust charging/discharging parameters to improve battery life.LCD display charging voltage, current and other information, and parameters can be set.The memory inside can record data, you can check the history record at any time.With over-temperature protection, overload short-circuit protection, overcharge/overdischarge protection and battery PV reverse protection.Applied to communication base station, household system, street lamp system and field monitoring, etc.