BL4018 Slide Battery Pack 18V 4.0Ah Li-Ion

The Black & Decker BL4018 Li-Ion Slide Battery Pack holds its charge in between use, meaning that it does not requirecharging before each use and is ready to use. The Lithium Ion technology delivers the same great performance of NiCdbatteries, but is lighter and more compact.Suitable for use with all Black and Decker 18 volt Li-Ion power and garden tools.Battery Capacity: 4.0Ah.Battery Chemistry: Li-Ion.Voltage: 18 Volt.