Charge 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 ProtectionConstruction of short circuit protection, open circuit protection, reverse protection, over charging protection. Dual MOS reverse current protection. FeatureBuild in industrial micro controller. Charging and discharging parameters are adjustable. The load operation mode can be set. With full management of 3 PWM load levels. Heat dissipationLow heat generation, low failure rate. Extend battery life and maintain charge power. Easy to UseWith an LCD screen that clearly displays status and data, its easy to set up and use . Suitable for home, commercial, industrial, etc. Battery voltage: 12V/24V Charge current: 30A Discharge current: 10A Max solar current: Max 23V (12V battery) / max 46V (24V battery) USB port: 5V/1.5A max Size: 133*70*35mm Weight: 140g Package Contents 1 30A Solar Charge Contorller 1 User Manual