Features: 1.Industrial-grade master chip, sampling accuracy, temperature, charging current, Discharge current accurate real-time display, power generation at a glance. 2. Automatic focusing , charging, high charging efficiency, non-stop detection. 3.During charging, bidirectional focusing . 4.Large-screen LCD display, adjustable charging and discharging parameters. When the output is off, the time.Can be adjusted, which is more convenient. 5.Acomplete three-phase charge management, effectively protect the battery, the battery is more Durable.Built-in overheating, overcurrent short circuit, open circuit protection, reverse connection.Protection,when the fault is eliminated, the controller automatically recovers, does not damage. Specification: USB output: 5V/2.5A Standby current: Less than 10mA Rated Voltage:12V/24V Max.PV Voltage:50V Max.PV Input Power:260W(12V)520W(24V) Rated charging current: 10A / 20A / 30A Rated discharge current: 10A / 20A / 30A Working temperature: -35 to 60 degrees Ncrease charging voltage: 14.4V (sealed type) Floating charge voltage: 13.7V (default, adjustable) Discharge cut-off voltage: 10.7V (default, adjustable) Discharge recovery voltage: 12.6V (default, adjustable) Material: Plastic colour: Black Package Contents: 1 x Solar Panel Battery Regulator Charge Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.