The eBike battery: long range, low weight, easy to charge - Bosch eBike Systems
BOSCH PowerPack Akku 500 Performance Line Rahmenversion | e-bikes4you.com
Wheeloo E-Bike Battery Protective Case for Bosch E-Bike Against Cold and Dirt, Powerpack 300/400/500 CX/Performance/Active-Line, Increases Running Time and Service Life, E-Bike Battery Cover : Amazon.de: Sports & Outdoors