3,500 lb. Capacity for Indoor and Outdoor Applications BYD’s class I product offering addresses the needs of the most demanding fleet operations in the North American Material Handling industry. BYD lift truck products, powered by its revolutionary Iron-Phosphate (Fe) battery technology, are packaged complete as a truck, battery and charger. BYD technology’s extraordinary performance and useful life enables significant productivity gains and operational savings. Known as the world’s safest, most environmentally friendly battery, allows customers to eliminate all the hassle and liabilities associated with toxic lead-acid battery options.