FLEX 24V 6.0Ah Stacked Lithium-Ion Battery delivers industry-leading power and performance with 200% more power thanks to its innovative 24V Stacked Lithium technology. Designed to last 300% longer, it features THERMA-TECH+ heat management that minimizes heat buildup for maximum runtime and faster charging, fully recharging in as little as 18 minutes. The intelligent POWER IQ system monitors and optimizes each cell to protect against overload and ensure higher power output. Built to withstand tough conditions, this battery is shock, drop, and element resistant with epoxy-sealed electronics. Its patented dual-sided fuel gauge allows you to quickly check the battery charge from multiple angles. Fully compatible with all FLEX 24V tools and chargers, this battery platform is backed by a FLEX limited lifetime warranty when registered within 30 days of purchase through December 31, 2025. Experience reliable, long-lasting power that keeps you working efficiently all day long. Model Number: FX0331-1