The Makita 40V max XGT Lithium-Ion Battery charges faster and works longer, giving you and your cordless tools unmatched performance and productivity to take on the most demanding applications. The XGT 5.0Ah Battery reaches a full charge in 50 minutes or less, so it spends more time working and less time sitting on the charger.XGT Batteries feature an impact-resistant outer case and a shock-absorbing inner liner to protect the battery in harsh job site environments. Rigid rails secure the battery to the tool during high-demand applications. Each battery features digital communication that works with tools to optimize performance and chargers to protect against overload, over-discharge, and overheating. XGT is a system of equipment, tools, batteries and chargers utilizing 40v max lithium-ion batteries. XGT is engineered to deliver high power to take on high-demand applications, allowing users to completely transition to a cordless job site. XGT is equipped with advanced brushless motor engineering, intelligent digital communication, and superior durability features to outpower, outsmart and outlast the rest.