This solar panel can provide your power station with a significant amount of energy with outstanding efficiency.Specifications:Solar panelMaterial: Monocrystalline siliconNo-load voltage: 19V DCLoad voltage: 12V DCSize: Approx. 345x210mmColor: blackControllerCurrent: 10A/20A/30A/40A/50ABatt voltage: 12V/24V autoMax solar input: 12Vbattery. the highest 23V; 24Vbattery when the highest 46VFloat charge: 14.4V defaul, adjustableDischarge stop: 10.7V (defaul, adjustable)Discharge reconnect: 12.6V(defaul, adjustable)Charge reconnect: 13.2VVoltage of open light: Solar panel8V(Light lights delay)Voltage of close light: Solar panel 8V(Light off delay)USB output: 2 way USB output, 5V/2 5A(MAX)Self-consume: <;10mAOperating temperature: -35~ +60CApplication scenarioSuitable for single board or multi-board use,DIY single board connected to USB controller, can directly output 12V &5V2 The power of parallel connection of the two boards increases the current increases and the voltage does not change 12V2 The power of the serial connection of the board increases the current does not change and the voltage increases by 24VMultiple pieces can also be connected in series or in parallel.Package included:Type 1:1 x Solar panelType 2:1 x Solar panel1 x Controller1 x DC Cable