It is a professional battery charger with integrated Bluetooth for monitoring via the VictronConnect app. 
The unit features an adaptive 6-stage charging algorithm (Test, Bulk, Absorption, Recondition, Float, Storage) that automatically adapts to battery usage. 
It can be used with various vehicles such as cars, motorcycles, boats and motorhomes. 
Efficiency reaches up to 94%, resulting in up to four times less heat compared to the industry standard. 
In the silent NIGHT or LOW mode, the output current is reduced to a maximum of 25% of the rated output