Motorola Original TDN9432A: Universal Battery Adapter for BMS Battery Maintenance System. This allows the charge & test of any NiCad or NiMH battery. Has adjustable knob to set the voltage and wire leads with alligator clips to attach to battery terminals.Note: Voltage range is 4.8 through 15 volts. Also note that it may be difficult to make contact with some recessed battery terminals. ***Clip Lead Interface TDN9432The customer is able to select desired voltage using a rotary switch. Two "Banana" jacks are also mounted on the top plate of the adapter. Two "alligator" clip leads are provided (red and black).