RYOBI 40V Lithium-Ion 2.0 Ah Battery OP4020A
Easily install and remove the battery with the secure quick-release button. Best of all, it is part of the RYOBI 40V system. This 40V 2Ah Lithium Battery is backed by the RYOBI 3-year manufacturer warranty and includes (1) OP4020A 40V 2Ah Lithium Battery and Operators Manual. Charger sold separately.