Home Depot has a 2-Pack Ryobi One+ 18V 4.0 Ah Battery/Charger Kit + Select Free Ryobi Tool, $99.00 Free Shipping. Expires: 6/30/2021 - Highly rated at 4.5 out of 5 stars. While supplies last. 16 different options to choose from.

• Under the 'Free Gift w/ Purchase' section, select the free tool
• After selecting your tool, click on the Add Both to Cart

RYOBI introduces the 18-Volt ONE+ Lithium-Ion 4.0 Ah Battery (2-Pack). These batteries deliver fade-free power which allow you to work stronger and longer when paired with any 18-Volt ONE+ Tool. They have a durably constructed frame for impact protection and an on-board fuel gauge so you can easily check your charge at any time. Best of all, it is part of the RYOBI ONE+ System of over 175 cordless tools that all work on the same battery platform. Backed by the RYOBI 3-Year Manufacturer's Warranty, this battery includes an operator's manual. Charger sold separately.