The 20/60V MAX FLEXVOLT Li-Ion 9.0Ah Battery is engineered for versatility and power, compatible with both 20V and 60V tools. This high-capacity battery provides extended runtime, making it ideal for demanding applications in construction and landscaping. Its innovative design allows for seamless transitions between voltage systems, ensuring you have the right power for the job. The battery features a durable construction that withstands tough job site conditions and includes built-in safety features to prevent overheating and overloading. Upgrade your tool performance with this reliable and efficient battery.