Mixed charger/unloader 12/220 Volts programmable.\nCompatible with two power supply sources of your choice: alternating current 220 volts or 12 -volts DC.\nFor Ni-CD or Ni-MH batteries. Value of the selectable load from 0.5 to 2 AMP for battery of 4 to 8 elements powered in 220V, and 0.5 to 4 AMP for battery of 4 to 7 elements powered under 12V.\nDischarge function with cutting voltage adjustment. Large LCD display screen. 12 -bit processor. LCD display and sound warning to indicate load status, current, voltage, capacity and time. Protection against short-circuits and polarity inversions. Possibility of adjusting time and load capacity.\nUser manual in French and English.\nRead the instructions carefully before use.