Ryobi 18V ONE+ Lawn Mower review - a great mower for small yards with not-so-great batteries - The Gadgeteer
Ryobi One+ Cordless 33cm Lawnmower Review: Good cutting, short battery
Ryobi One+18V 4-1/2" Angle Grinder - Amazon.com
RYOBI ONE+ HP 18V Brushless Cordless Compact 1/2 in. Drill/Driver Kit with (2) 1.5 Ah Batteries, Charger and Bag PSBDD01K - The Home Depot
Amazon.com: Ryobi P208 One+ 18V Lithium Ion Drill/Driver with 1/2 Inch Keyless Chuck (Batteries Not Included, Power Tool Only) : Tools & Home Improvement