Features 1MULTIPLE FUNCTIONS: Adopt LCD screen to display charge discharge current and temperature support cumulative power generation and discharge power query light control delay control. 2DUAL USB OUTPUT: The controller has dual USB output can charge phones and tablets and can adjust the charging and discharging parameters with power off memory function. 3CIRCUIT PROTECTION: Built in overheating overcurrent short circuit open circuit protection support troubleshooting automatic recovery of the controller safe and reliable operation. 4MOS TUBE CIRCUIT: The controller adopts 2 way MOS tube anti backflow circuit high power charging with reverse current protection low calorific value and will not damage the controller. 5HIGH EFFICIENCY: Current auto focus MPPT tracking charging high charging efficiency and the charging process does not stop detection bidirectional focus tracking. Specification Item Type: Solar Panel ControllerMaterial: Aluminum AlloyVoltage: 12V 24VMaximum PV Voltage: 50V70A Maximum PV Input Power: 900W (12V) 1800W (24V)80A Maximum PV Input Power: 1560W (12V) 3120W (24V)90A Maximum PV Input Power: 1680W (12V) 3360W (24V)100A Maximum PV Input Power: 1800W (12V) 3600W (24V)Display: LCD ScreenStandby Current: <10mADual USB Output: 5V 2A Maximum (charging mobile phones tablets etc.)Working Temperature: -35-60 Package List 1 x Solar Panel Controller