Amazon.com: 2Pack 3.8Ah Replacement for Ryobi 18V Battery Compatible with Ryobi Battery 18V ONE+ P102 P103 P104 P105 P107 P108 P109 Tools with Power Wheels Adapter for Ryobi for Toy Car Robotics
Amazon.com: ARyee 2Pack 6.0Ah 18Volt Replacement for Ryobi 18V Lithium Battery ONE+ Plus P108 P102 P103 P104 P105 P107 P109 P122 RB18L50 PBP005 Cordless Power Tools with P117 Battery Charger for Ryobi :