Fullhome Development Co., Ltd. engages in the design, development, and sale of batteries in Taiwan. It operates through Intelligent Power Control System Sales and Contract Decoration Project segments. The company offers B-Power, an energy storage system for sedans, motorcycles, commercial cars, trucks, buses, generators, agricultural machineries, engineering machineries, yachts, fishing boats, and other applications. It also provides smart power remote control systems, multi-cell power management systems, vehicle battery continuation systems, home appliances, and other devices; and electronic components. In addition, the company engages in contracting, interior decoration, and renovation projects; and development and leasing of residential and commercial buildings. The company was formerly known as Team Young Technology Co.,Ltd. and changed its name to Fullhome Development Co., Ltd. in August 2025. Fullhome Development Co., Ltd. was incorporated in 1990 and is based in Taipei, Taiwan.