FAHRER Battery Cover, Frame Fits BOSCH PowerPack 300, 400 and 500 Active/Performance Line frame battery. Extends the battery capacity on cold days Black - Cycle Service Nordic US
The eBike battery: long range, low weight, easy to charge - Bosch eBike Systems
BOSCH PowerPack 500 Performance Line Gepäckträgerversion 2020 | e-bikes4you
Batteries4pro - The range of the E-Bike Batteries BOSCH PowerPack