Charger with an efficiency of up to 94% and Swiss plug. Automatic power supply function. Operates effectively in extreme cold down to -30 °C. Protection against splashes, dust, and chemicals. Seven-stage intelligent charging algorithm. Multiple functions to extend battery life. Setup and configuration, as well as display of voltage and current via Bluetooth Smart. With an efficiency of up to 95%, these chargers generate three to four times less heat than the industry standard. Once the battery is fully charged, power consumption drops to 0.5 watts, which is five to ten times better than the industry standard. Display and configuration of your Blue Smart IP65 charger using your smartphone. With the VictronConnect app, you can view the status of your charger and battery and control the functions of your charger. By default, voltage and current are displayed on the screen.