Battery Cable Terminal Ends: Top/Side Post, Elbow or Flag
Amazon.com: 8 Pcs 1 AWG x 3/8 Copper Battery Cable Lugs, Heavy Duty Ring Terminals Connectors, UL Listed Bare Eyelets Tubular Ring Battery Lugs for 1 Gauge Wire - Battery Cable Ends : Electronics
Halfords Positive Battery Terminal Connector | Halfords UK