An electric car maker in China has demonstrated a new battery capable of powering a vehicle for more than 1,000km on a single charge.

Shanghai-based Nio claims that the next-generation battery will enter mass production in April 2024, offering a longer range than any other electric or fuel-powered car currently on the market.

Nio chief executive William Li drove the all-electric ET7 vehicle 1,044km (649 miles) during a 14-hour live-stream, which saw the car travel from Zhejiang province to