23% more compact compared to the previous model (R8400806) Advanced Intelligent Electronics and internal design extend battery life LED Fuel gauge displays power level on the job Not eligible for the LSA Charger sold separately MAX Output batteries facilitate battery and tool communication unleashing the full potential of any RIDGID 18V Brushless Tool providing more power and more runtime. The RIDGID 6.0 Ah MAX Output battery will provide up to 5X more runtime compared to the 1.5 Ah lithium-ion battery (R870015). Along with improved performance, this battery is also 23% more compact than the previous model (R8400806). The Advanced Intelligent Electronics in MAX Output batteries enable users to power through the most demanding applications on the jobsite. The internal design is specifically engineered to prolong battery life by protecting the battery cells from extreme jobsite conditions. The durable pack design is constructed to endure the toughest demands. Not eligible for the Lifetime Service Agreement. Charger sold separately. Comes in bulk packaging.