Description: 【Material】: This 48V 250A battery jumper fixed bracket set is made of high strength PVC, PP, nylon and brass materials. These materials are known for their durability, impact resistance. 【Easy to Install】: This High V Battery Jump Post can be installed through the body panel, which allows easy access to the battery terminals for fast charging. 【Protective Features】: Battery Terminals Relocation comes with PVC plastic insulating cap, easy to open and close. This cover helps keep out dirt, water, dust and sand, extending the life of your battery system. 【Wide range of uses】: This Car Battery Jump Post Starter is suitable for various power systems, including cars, RVs, boats, yachts, cars, agricultural vehicles, etc., making it a multi functional supplement to the vehicle power system. Specification: Rated v: 48V dc Rated current: 250A Fire rating: UL94 V-0 Terminal stud specifications: 2*3/8" Panel material: aluminum plate Note: For the installation direction of the product jumper column, users can install it forward or reverse according to their own needs. The default installation method is to save packaging space. Size Chart: 23.7cmx5cmx7.3cm/9.33inchx1.97inchx2.87inch Package Includes: 1 L shaped panel Jumper posts, 1 each red and black 2 wrenches 3 mounting screws 3 lock nuts 2 terminal sheaths Note: Please allow slightly errors 1-2cm differences due to manual measurement.