Megger is the manufacturer of battery load units, torkel 840, 860. The product is battery test equipment. Battery load unit is used for battery systems ranging from 12 to 250 v. It is encountered in switchgear and similar equipment. Tests can be conducted at constant current, constant power, constant resistance or in accordance with a pre-selected load profile. Torkel 840 units require higher current. Torkel 860 is designed primarily for people who travel from place to place to maintain battery systems having different voltages. The salient features of battery load units: