Battery charge level with 4 bright green L.E.D. indicators allows the user to clearly see charge levelReaches full charge in 45 minutes or lessEnhanced cooling system is engineered to maximize battery lifeXGT® batteries features an advanced design impact-resistant outer case and shock-absorbing inner-liner engineered to protect the battery in harsh jobsite environmentsThe digital communication within XGT® optimizes performance to provide up to 2X longer sustained power under heavy-load applicationsXGT® Tools and Batteries are designed with a multi-layer contact interface for more constant power delivery to take on high-current demandsThe digital communication within XGT® actively monitors and protects against overload, over-discharge and overheatingXGT® Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications3-year limited warranty