The 18V series is primarily used on tools that require less power, such as drills and handheld power saws, while the larger, more energy-hungry tools operate on Ryobi's 40V batteries. There are ...
The recall involves RYOBI Brushless 21" Cordless Walk-Behind Self-Propelled Multi-Blade Push Mowers (40V HP) with model numbers RY401014BTLUS, RY401014US, RY401140US, RY401015BTLUS, RY401015US ...
Despite being made for different things, both auger models are part of the Ryobi 40V battery system ... but you'll need to shell out an extra $60 if you don't own the battery and charger yet.