This is used to charge the batteries on the Active / Performance Line Bosch eBike systems. This can be used with both the 300Wh, 400Wh & 500Wh Battery Power Packs.
This is for Bosch 2014 / 2015 / 2016 / 2017+ model years. For both Frame and Pannier mounted batteries.
Often purchased as a spare to leave at work or to extend your range.