RYOBI introduces the 18V ONE+ 4Ah Lithium-ion Starter Kit with FREE 18V ONE+ 5" Random Orbit Sander. This RYOBI 18V ONE+ 4Ah Lithium-ion Starter Kit provides up to 3X more runtime compared to standard 18V lithium batteries.These batteries are compatible with over 280 18V ONE+ products to power through all types of projects. Built with professional grade lithium-ion cells these batteries provide fade free, cord-like power. They are engineered to perform in extreme weather temperatures and are engineered to be impact resistant. They also feature an integrated LED fuel gauge for charge monitoring. The included charger is compatible with all RYOBI 18V ONE+ Lithium Batteries. With a fast 10,000 orbits per minute (OPM) this sander will provide a swirl-free finish to each new project. This all new 18V ONE+ 5" Random Orbit Sander delivers optimized control and comfort while sanding with 40% reduced vibration vs the previous model. Backed by the RYOBI 3-Year Manufacturer’s Warranty, this kit includes two 18V ONE+ 4Ah Lithium Batteries, an 18V ONE+ Charger, a 18V ONE+ 5" Random Orbit Sander includes an assortment of sandpaper and an operator's manual.