These RYOBI ONE+ 18V Lithium-ion 2Ah batteries provide up to 1.5X more runtime compared to our 1.5Ah standard Lithium-ion battery. They have a compact design for less weight and reduced user fatigue. They also feature professional grade Lithium-ion cells to provide fade free, cord-like power. They perform in extreme weather temperatures and are engineered to be impact resistant. These batteries feature integrated LED fuel gauges to check your battery charge at all times. Backed by the RYOBI 3-Year Manufacturer's Warranty, these batteries include operator's manuals. Charger sold separately.