These high-performance Nickel-Metal Hydride (NiMH) AAA batteries are specifically engineered for Kyosho Mini-Z series micro RC vehicles, delivering consistent and robust power for optimal track performance. Featuring an 800mAh capacity with "HV" (High Voltage) characteristics, these cells are designed to maintain a higher voltage under load throughout the discharge cycle, providing enhanced speed and acceleration crucial for competitive racing. Constructed with advanced cell technology, they offer excellent discharge efficiency, long cycle life, and reliable operation, ensuring your Mini-Z runs at its peak for extended periods between recharges.