A bicycle trainer to store electricity, which not only allows you to exercise your muscles and stimulate your heart, but also acts as a psychological discharge, a motivational tool for the children to generate their own electricity to charge their phone/computer in the office, at school, at home, in an air raid shelter or in any other enclosed space.

At home, it is ideal for the fridge, kettle and any electrical appliance. Not enough power for an electric car😊

In addition to the socket, USB, C and mains charging connectors, there is also a connector for the solar panel, so that the 2 kW battery can be recharged from the sun in a day without physical force.The power outages in Portugal, Spain have shown how well this HR bank can help create a safe environment for people in extreme conditions.

TUKASEV received the iF Gold 2025 and Red Dot 2025 awards for this engineering design solution.