Harken Industrial battery-powered Lokhead Power Haulers are lightweight portable winches that are used in powered hauling applications and as mechanical ascenders for working at height. When used as an ascender,the user is suspended under the unit with full control from below. The battery Power Hauler can be operated in both outdoor and indoor environments where engine emissions are restricted. The Power Hauler has a 50.4V lithium-ion battery with a BMS (Battery Management System) to preserve its useful life. Certi?ed IP54. In optimum conditions this battery has a life of 550 m (1804.5') with a 125 kg load (275.6 lb).