Makita's 18V compact Lithium-Ion cordless FM/AM job site radio delivers big sound wherever the job takes you. The XRM02W is compact, durable, and compatible with iPod and MP3 players. It delivers rich stereo sound from two powerful 3 in. side-firing speakers, and will run up to 19 hours on a single charge of the 18V LXT Lithium-Ion 3.0 Ah battery. It can also be run with Makita 18V 2.0 Ah and 4.0 Ah batteries, as well as with the AC adapter. (Batteries and chargers sold separately.) its part of Makita's expanding 18V Lithium-Ion series, the worlds largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery. Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger.