Tesla Patent Reveals Dual-Battery Trailer Range Extender

Tesla has filed a patent for a dual-battery system designed to extend the range of electric vehicles when towing a trailer. The system integrates two separate battery packs: one installed in the vehicle and another mounted on the trailer itself. This setup allows the trailer’s battery to supplement the vehicle’s main pack, effectively increasing driving range during towing. The patent addresses the common issue of reduced range in electric vehicles when hauling heavy loads.