Based on this product's specifications, here are some alternatives and similar models
MPPT Solar Charge Controller QOLTEC 80A with Temperature Sensor, 12/24/36/48V, LCD, Bluetooth, APP, GEL/LiFePO4
Summary description:
QOLTEC MPPT solar charge controller, model 80A, compatible with 12V/24V/36V/48V systems. Features maximum power point tracking (MPPT) for improved charging efficiency, an integrated temperature sensor, LCD display, Bluetooth connectivity and companion APP for monitoring. Supports GEL and LiFePO4 battery types and is designed for off-grid PV systems, RVs, boats and residential solar setups.