RYOBI introduces the 18V ONE+ HIGH PERFORMANCE Kit w/ (2) 4.0 Ah Batteries, 2.0 Ah Battery, 2-Port Charger, and FREE 18V ONE+ HIGH PERFORMANCE 4.0 Ah Battery (4-Pack). INTELLICELL battery technology features advanced electronics allowing batteries to last longer, think smarter and deliver up to 30% more power. The COOL-CORE design reduces temperature to optimize battery performance and extend battery life. This dual port charger is compatible with all RYOBI 18V ONE+ batteries and allows users to charge two batteries at the same time. Featuring LED indicator lights, users can easily identify battery charge status. These RYOBI ONE+ 18V Lithium-ion HIGH PERFORMANCE 4Ah batteries provide up to 4X more runtime, 30% more power, and runs cooler compared to our standard lithium-ion batteries to provide long-lasting reliability and better performance in over 300 ONE+ Products. Best of all, it is part of the RYOBI 18V ONE+ System of over 300 Cordless Products that all work on the same battery platform. This 18V ONE+ Lithium HIGH PERFORMANCE Starter Kit is backed by the RYOBI 3-Year Manufacturer's Warranty and includes PBP004 18V ONE+ 4.0 Ah Lithium HIGH PERFORMANCE Battery, PBP003 18V ONE+ 2.0 Ah Lithium HIGH PERFORMANCE Battery, PCG005 18V ONE+ Dual-Port Simultaneous Charger, and FREE (4) 18V ONE+ Lithium-Ion HIGH PERFORMANCE 4.0 Ah Batteries.