What is a additional battery? It is a battery that is connected to the primary battery and mounted on the outside of the scooter (e.g. at the landing); it works simultaneously with the primary battery, thus noticeably increasing the range of the scooter. It’s more than a second life for your scooter – it’s like upgrading to equipment that is… Read More »Additional battery – what is it? Increase the range of your scooter up to three times!