Tronic Lugs 70mm – 8mm Heavy-Duty Battery Cable Ends

Our review

These Tronic lugs are heavy-duty battery cable ends sized at 70mm by 8mm, built for connections that need to hold up under heat. The closed design adds insulation around the joint, which matters when you are working near a battery or in an engine bay where accidental contact is a real risk. The flared shape helps you feed stranded cable into the barrel without fraying every strand, and the included heat shrink tubes come pre-cut to common diameters so you spend less time trimming. They suit anyone replacing tired terminals on a vehicle, solar setup, or inverter bank, particularly where cable runs are thick and vibration is constant. Before buying, confirm your cable's cross-section and stud size match the 70mm and 8mm figures, and check whether your existing crimping tool handles this barrel diameter, since a poor crimp defeats the purpose of a good lug. Compared with open-end or bare copper alternatives, the insulated closed body trades a little bulk for safer, tidier joints. Available on Sokonia.