General description These CSPARKV battery terminals are designed for quick and easy connection and disconnection of car, boat, or RV batteries. The set includes 2 pairs of terminals, featuring 2 red positive clamps and 2 blue negative clamps, making them suitable for various battery types including 12V, 24V, and 48V. Technical specifications Material: Copper and ABS Inner diameter of positive (red) terminal: 19 mm Inner diameter of negative (blue) terminal: 18 mm Compatible wire diameter: 4 mm to 6 mm Installation Installation typically takes about 10 minutes Requires a wrench for connection Features threaded design for quick and easy installation Usage Ideal for users who frequently replace batteries Compatible with most vehicles including cars, trucks, caravans, sedans, vans, pickup trucks, and boats Allows for quick charging and removal of batteries Ensure correct matching of positive and negative electrodes during installation