Chimpy's green rental batteries are a Zurich success story. We asked the co-founder how sustainable a product can really be when it generates so many emissions.

Our consumption harms the environment, so products should be used longer and waste avoided. But even the circular economy has its pitfalls.

Faster and with even more power! With the new power banks, we’re kicking off the summer in style. Only one question remains: who can last longer, you or your Chimpy?