Feature:Copper Ring Terminals with Heat Shrink.Ultra-long pure copper wire lugs, corrosion resistant, low resistance. Heat shrinkable tube compartment to reduce contact with sulfuric acid and prevent corrosion.
6 surface heavy pressure wiring, the wire ear is in full contact with the wire, 100% does not burn the wire, and does not corrode. No heating when climbing, improve battery life and cruising range.