Charging Current30A; USB Output: 5V/1.5A max; Battery Voltage: Automatically identify 12V/24V; The controller is suitable for lead-acid battery; Ternary lithium battery; Lithium iron phosphate battery. Safety ProtectionBuild in short circuit protection, open circuit protection, reverse protection, over charge protection. Dual MOS reverse current protection. FeatureBuild in industrial micro controller. The charge and discharge parameters are adjustable. The load working mode can be set. With full management of 3 PWM charge levels. Heat DissipationLow heat generation, low failure rate. Extend battery life and maintain charge. Easy to UseWith LCD screen that clearly displays status and data, it is easy to set up and use. Suitable for home, commercial, industrial, etc. Note: Due to manual measurement, the size may have an error of 2 cm/1 inch; due to different screens and angles, the color and size may be slightly different, thank you for your understanding!