RIDGID introduces the AC9840 18V 4.0 Ah MAX Output Starter Kit. This starter kit includes the AC840080 18V 4.0 Ah MAX Output Battery and AC96098 18V Rapid Charger. The 18V 4.0 Ah MAX Output Battery utilizes powerful lithium-ion cells to deliver up to 2X more power and 3X more runtime compared to the AC870015 1.5Ah Lithium-Ion Battery. The advanced intelligent electronics in MAX Output batteries communicate directly with the battery cells to optimize performance when paired with brushless tools. The RIDGID 18V Rapid Charger delivers up to 3X faster charging than the AC86093 18V Charger. It charges an 18V 4.0 Ah MAX Output Battery in 40 minutes for increased productivity. This charger is equipped with an integrated passthrough plug to optimize outlet space, and wall mounting keyhole slots. As always, this 18V 4.0 Ah MAX Output Starter Kit is 100% compatible with all RIDGID 18V tools.