Mahle X20 Active Charger + Gcu:

The new Active Charger includes CAN BUS for real time communication with the battery. This direct communication, combined with a more powerful converter, allows the battery to be charged at different intensities from 0 to 4.5 A making the charging process faster and better. The micro-USB port on the charger provides an additional connecting point option to update the full eBike system directly.