The DEWALT DCB115 12V MAX* 20V MAX* Lithium Ion Battery Charger is able to charge all DEWALT(R) 12V 20V MAX* Li Ion Batteries. This unit charges the battery in 90 minutes (DCB205) or less thus minimizing downtime when you have work to get done. It has a yellow LED which illuminates for hot/cold pack delay. Backed by DEWALT.