This is a very simple and easy to use charge controller. It is portable and can be used with a standard 6V or 12V battery and our smart wind turbine. It can also be used with solar panels. As always, please contact us if you have any questions. System Voltage: 6V, 12V Maximum Output Current: 10A Maximum Power Capacity: 60W(6V), 120W(12V) Overload, Short Circuit Protection: Yes No-load loss: ≤5mA Charge Loop Drop: ≤0.2V Disharge Loop Drop: ≤0.1V Ingress Protection Degree: IP30 Working Temperature: -40F~131F. Our technical English/Spanish support is always here to help you!