Packing List: 1 x Solar Panel Battery Regulator Charge Controller 1 X User Manual Specification: -Size:4.9x3.9x1.1in12.5x10x3cm -USB output: 5V/2.5A -Standby current: <10mA -Rated Voltage:12V/24V -Rated Current:20A -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) Features: -Industrial-grade master chip, sampling accuracy, temperature, charging current, Discharge current accurate real-time display, power generation at a glance. - Automatic focusing tracking charging, high charging efficiency, non-stop detection During charging, bidirectional focusing tracking. -Large-screen LCD display, adjustable charging and discharging parameters. When the output is off, the time.Can be adjusted, which is more convenient. -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 The device. Note: 1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference displ