[Advanced MPPT Technology] MPPT solar charge controller features advanced Maximum Power Point Tracking algorithm, with automatic 12V/24V/36V/48V battery voltage recognition; dual USB 5V charging ports; rapidly tracks the maximum power point of the PV array under varying environmental conditions; peak conversion efficiency up to 99.5%; improves overall solar energy utilization. [Multifunctional Design] Backlit LCD display with clock function; supports 7 operating modes: charging mode, light control mode, light control + time delay mode, universal control mode, manual control mode, and timer control mode. [Voltage and System Protection] Built-in protections include battery over-voltage, over-current, overcharge, deep discharge, reverse polarity, power failure, and over-temperature protection. [User-Friendly Interface] LCD dynamically displays real-time operational data including working mode, battery voltage, PV charging current, battery discharge current, controller temperature, and delay time. [Battery Compatibility] Supports sealed, gel, flooded, and LiFePO4 battery types. [Package Contents] 1 x Solar Charge Controller, 1 x English User Manual. Other accessories shown are not included. Note: Color appearance may vary slightly due to screen settings and lighting conditions. Dimensional tolerance: ±1–3 cm.