RIDGID introduces the AC840080 18V 8.0 Ah MAX Output EXP Lithium-Ion Battery 2-Pack for all day jobsite performance. Experience extreme performance in the toughest jobsite applications with RIDGID 18V MAX Output EXP Batteries. RIDGID MAX Output EXP batteries utilize advanced intelligent electronics to optimize performance by creating a communication system between both the tool and battery. MAX Output EXP features THERMAGUARD Technology which combines oversized heat sinks with advanced intelligent electronics to keep the battery running cooler, prevent overloading, and protect individual cell performance. To shield against the toughest jobsite conditions, this battery is constructed with durable reinforced housing. The laser welded cell straps increased durability and extends battery life through improved temperature management. As always, this RIDGID 18V 8.0 Ah MAX Output EXP Lithium-Ion Battery 2-Pack is 100% compatible with all RIDGID 18V tools. These batteries are backed by the Industry’s Best Lifetime Service Agreement, simply register within 90 days of purchase for FREE Parts, Free Service, For LIFE. Charger sold separately.