[DUAL OPERATION] Charge 2 batteries within 2 hours, or charge just one even faster. ­­Perfect for those with a large Power Share tool collection, or those planning on building one [COMPATIBLE WITH:] Worx 18V/20V Lithium-Ion batteries: WA3520, WA3525, WA3575, WA3578, WA3512, WA3512.1, WA3522, WA3671 [LONG CORD] Provides the flexibility to charge your batteries in various locations [CHARGE INDICATORS] Each port has its own light to let you know when the battery is fully charged and ready to go [DO IT YOURSELF. DO IT BETTER. DO IT WITH WORX.] WORX tools are engineered with cutting-edge technology, and above modern efficiency standards, so you can build a cost-effective tool collection that’s been designed to last