... power supply 2.can charge 4 Battery packs at the same time 3.Balancing individual cells battery dischargin Specifications: Compatible Batteries: ... Li-po,Li-fe,Li-lon.Ni-cd,Ni-mh,Pb Available number of cells: ... ,Discharging,Cycle Carging/Discharging(Ni-XX),Balancing(Li-XX)Battery Voltage Displays(Li-XX)Audible Warning SignalsBuilt in Safety ...