Bei den Pedelecs ist der Akku in einem Gehäuse am Steuerrohr untergebracht, wo er sich zum 
Laden bequem herausnehmen lässt. Dichtungen aus TPE sorgen dafür, dass das Gehäuse wasserfest ist und Geräusche keine Chance haben. 
Bildquelle: 2018 Askoll EVA

With pedelecs, the battery is housed in a housing on the head tube, where it can be connected to the can be conveniently removed. Seals made of TPE ensure that the housing is waterproof and that no noise has no chance.
Image-Source : 2018 Askoll EVA

Italy’s manufacturer of electric two-wheelers has specified the use of Thermolast K for two precision gasketing applications on the new battery boxes of a growing range of power-assisted bikes and electro-scooters. Askoll, based in Dueville (Vicenza, Italy) is using the thermoplastic elastomer material from Kraiburg TPE for an anti-rattle overmolding of the battery connector and for water-tight sealing of the battery box. Key requirements to be met included reliable direct adhesion to glass-filled PBT on small contact surfaces.