 But a UK company called Niobolt has come up with a super-fast-charging battery that its co-founder, Sai Srivareddy, says could be a game-changer. This is a big milestone for, I believe, the experience as we transition to clean energy. Ultimately, the vision is to get mainstream fast-charging possible and having to wait to charge is a thing of the past. So how significant is this development? Zoe Kleinman is our technology editor.