Available Spring 2023, Rolls' new S-Series 12V & 24V LFP lithium batteries offer maintenance-free and lightweight lead-acid battery alternatives. With fast charge & discharge capability and operating protections, the new S-Series LFP models add a built-in display for easy state-of-charge and error indication, heating for cold weather operation, bluetooth connectivity & external fuse access for easy maintenance, backed by a 3-year full replacement manufacturer warranty.