This week's podcast was recorded live on stage at Latitude Festival 2026, in the Cosmic Shambles Forest of Science and Culture! Helen Czerski is joined by our very own Robert Llewellyn and battery chemist Professor Saiful Islam for a wide-ranging conversation about batteries — covering everything from world-record lemon batteries to five-minute EV charging, sodium-ion tech, battery planes, and vehicle-to-grid power. https://cosmicshambles.com/ Why not come and join us at our next Everything Electric expo: https://everythingelectric.show Check out our sister channel Everything Electric CARS: https://www.youtube.com/@fullychargedshow Support our StopBurningStuff campaign: https://www.patreon.com/STOPBurningStuff Become an Everything Electric Patreon: https://www.patreon.com/fullychargedshow Become a YouTube member: use JOIN button above Buy the Fully Charged Guide to Electric Vehicles & Clean Energy : https://buff.ly/2GybGt0 Subscribe for episode alerts and the Everything Electric newsletter: https://fullycharged.show/zap-sign-up/ Visit: https://FullyCharged.Show Find us on X: https://x.com/Everyth1ngElec Follow us on Instagram: https://instagram.com/officialeverythingelectric To partner, exhibit or sponsor at our award-winning expos email: commercial@fullycharged.show EE GREATER LONDON (Twickenham) - 11th & 12th Sept 2026 EE SYDNEY - Sydney Olympic Park - 18th - 20th Sept 2026 #fullychargedshow #everythingelectricshow #homeenergy #cleanenergy #battery #electriccars #electric-vehicles-uk