DEWALT 60V MAX FLEXVOLT Lithium Battery with Charger, 9-Ah (DCB118X1)
Brand: DEWALT
180 watt hours of energy in each battery pack
Battery operates in outside temperatures down to 0°F
LED charge status display on battery
Battery chargers in 75 minutes using this  DCB118 fast charger
Fan cooled fast charger pulls air across battery to cool and reduce hot/cold pack delays