FLEX 24V Stacked Lithium Battery Starter Kit industry-leading power and performance designed to keep up with your toughest tasks. Featuring intelligent power management, this battery allows for higher discharging rates, ensuring your tools deliver consistent and reliable energy. The kit incorporates advanced THERMA-TECH™+ cooling technology combined with superior heat management protection, which not only enables faster charging times but also extends the overall battery life. This makes it an i choice to power through your workday efficiently. Included in the kit are a 24V battery and a charger, providing everything you need to get started right away. Model Number: FX0421-1H