Drive Devibillis 3 wheel autofold scooter lithium ion battery. Please give us a bell if unsure via video call or WhatsApp, Apple facetime or Facebook Messenger Video. The battery, if well kept should last around 5 years. Keeping it well means leaving it on charge when the scooter is not in use.Start charging roughly 30 minutes after usage, once the scooter has cooled down. Make sure your charger works properly! Thank you for your kind understandi.