RYOBI ONE+ 18V Lithium-Ion 4.0 Ah Battery, 2.0 Ah Battery, and Charger Kit with ONE+ Cordless VERSE Clamp SpeakerRYOBI 18V ONE+ Battery & Speaker Kit Elevate your job site efficiency with the RYOBI 18V ONE+ Battery Kit featuring a powerful 4. 0 Ah and a 2. 0 Ah battery along with a dual function charger. Added bonus: a high performance VERSE Clamp Speaker provides crisp audio over an impressive range, ensuring productivity never sounded so good. Key Features: Battery Runtime: Delivers up to 3X more runtime for extensive use. LED Fuel Gauge: Clearly shows