EPEVER XTRA4415N-G3-BLE is a high-efficiency MPPT solar charge controller designed to maximize the utilization of energy generated by solar panels and ensure optimal battery charging. It features advanced MPPT technology with a tracking efficiency of at least 99.5% and a maximum energy conversion efficiency of 98.5%.The controller is compatible with 12V, 24V, and 48V battery systems and supports various battery types, including lithium, GEL, and sealed lead-acid batteries. Its adaptive three-stage charging algorithm helps improve battery performance and extend service life. The built-in Bluetooth module allows users to monitor the controller's operation and adjust settings conveniently through the EPEVER mobile app.The device features an RS485 communication interface, enabling integration with compatible systems and remote monitoring through optional 4G or Wi-Fi modules. Its constant-voltage output function allows solar power to supply loads directly under suitable operating conditi...