Charger-Discharger of EAR-CH series serves to test, charge, discharge and commissioning of all types of aircraft batteries (lead-acid, Ni-Cd, Li-ion, etc.). It provides storing the maintenance history of each battery during the whole cycle of charging-discharging. Availiability of dual outputs allows to charge or discharge two batteries at the same time. Voltage and temperature measurement are performed by every element of the battery with special “Probe” testers.