This should be categorized under the current Home Depot Ryobi ONE+ deal, but the links provided there didn't include the option for the hedge trimmer. This way anyone with a deal alert set up can get a heads up.
18-Volt ONE+ High Capacity 4.0 Ah Battery (2-Pack) Starter Kit with Charger and Bag with FREE ONE+ Hedge Trimmer for $99.00 at Home Depot
The 22" hedge trimmer (tool only) is currently listed by Home Depot for $99.00 by itself, making this one of the better Ryobi ONE+ deals available right now. Basically getting the batteries and charger for free.