Questions about Carson sea racer

I did not find a separate battery in the Galaxus range. I was able to order one from conrad.ch. But I waited over half a year for the delivery.

around 10km/h

Hello This battery would be... https://www.carson-modelsport.com/de/produkte/carson-modelsport/zubehoer/akkus-und-batterien/ersatzakku-nimh-72v-700-mah-jst-stecker-500608204/ Unfortunately not available at Galaxus... maybe ask for it

yes on Modelbau Härtle