Battery terminal caps insure your battery and cables are protected from accidental shorts. This can help protect any kind of vehicle including cars, trucks, suv's, boats, motorcycles, atvs, scooters, generators, snowmobiles, making sure the electronics and electrical system (starter, alternator, etc.) are protected from shorting related damage. More details Working voltage 1--- 600v Working temperature -40°c---105°c Break voltage 15 kv Max. Temperature 200°c *20 mins Resistance 1.0* 10^11o Samples Normal sizes are free . Packing Plastic bag /pp bag /box/ cartons or your request Payment terms By t/t , paypal , l/c etc Welcome to contact us for more information !