Warm Reminder: 1 This solar Controller is it based on buck converter 2 It is high quality compatible Mppt + PWM Solar Controllers Not 100% Ture MPPT . 3 any questions, please confirm the information before placing an order. Features: * Adopt LCD liquid crystal display, with back light display, clear and intuitive, not afraid of the dark night. * Simple operation, one-key operation of panel buttons, adjustable various parameters, dive voltage, boost charging voltage, light control, time delay, all are adjustable. * The large-section, large-spacing wiring port can be installed with 16mm wires, and the wire spacing is 7mm, which increases the insulation performance and the reliability of the installation, and can effectively reduce the current and voltage drop and reduce the loss. * Dual USB charging ports, support most USB port devices on the market, mobile phones, tablets, game consoles, etc. * Thicken the heat sink of the train, the heat dissipation is more uniform, and the strong heat dissipation capacity can operate normally under the environment of 60 & 8451;. Specification: Name: Solar Controller Display: LCD display PV panel input voltage range: 15V-25V PV panel for 12V battery, 30V-50V PV panel for 24V battery, 45V-75V PV panel for 36V battery, 60V-100V PV panel for 48V battery Rated charging current: 80A Charging method: focus mppt pulse width modulation charging Protection function: prevent overcharge, rich oh, DC output, low voltage and high voltage protection, reverse polarity protection, etc.   Size: 195*172*68mm Colour: Blue Packing included: 1 * Solar Controller Note: 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.