RIDGID introduces the 18V (2) 4.0 Ah Batteries and Charger Kit with 18V Hybrid Jobsite Radio with Bluetooth Technology. These batteries get up to 4X the runtime of standard lithium-ion batteries and are built for high performance and are protected from overheating, overloading and overcharging through their Triple Protection Electronics design. Their chemistry allows for maximum performance in temperatures as low as -4 degrees and up to 120 degrees F, so you can confidently use them year-round. The charger is compatible with all RIDGID 18V Batteries. Using Bluetooth Technology, users can easily pair this radio with any Bluetooth capable device from 140 ft. away. This radio also features an internal antenna for AM/FM reception plus the ability to store up to 20 preset stations, giving users quick access to all their favorites. Backed by the Industry's Only Lifetime Service Agreement, this kit includes two 4.0 Ah Batteries, an 18V Charger, Hybrid Jobsite Radio with Bluetooth Technology and AC/DC Adaptor.