The Trek® 180 battery-powered wire welder is the first professional system on the market for MIG welding “off the power grid.” No matter where your hobby or job takes you, the Trek® delivers heavy duty weld power to fabricate or repair 24 ga. up to 1/4 in. mild steel in a single pass. Powered by two internal sealed lead-acid batteries, the high-purity energy storage technology enables the Trek® to be charged completely in about 90 minutes and quickly recharged in about 40 minutes.