This BLACK+DECKER 18V 4.0Ah Lithium-ion battery is part of the BLACK+DECKER POWERCONNECT 18V battery system and is interchangeable between more than 70 BLACK+DECKER 18V garden, DIY, or household products. Thanks to Lithium-ion technology, you won't experience self-discharge, the battery always retains its power, and it's always ready for use. Enjoy ultimate cordless freedom. Special features 18V Lithium-ion slide battery Lithium-ion technology: no self-discharge, always ready for use Part of the BLACK+DECKER 18V POWERCONNECT battery system Technical data Indication Paid Services Required: No Indication Smart Home: No Indication Battery Warning Message: No Indication Wifi Required: No Indication with Remote Control: No