Features: Made of high-quality materials, sturdy and durable.Silver plated contacts - provide longer life when used in high power, high temperature applications, Terminals can be crimped or soldered to the cable Unique feature: Mechanically keyed housing - prevents accidental mating of components (each connector plugs into another - no male and female versions available) Enclosure - Provides industrial strength quality and durability Genderless design - makes assembly quick and easy and reduces the need for high inventories (only one part to stock!) Flat Wipe Contact System - A wiping cleans the contact surface during disconnection. Specification: 50A Rated voltage: 600V Contact material: copper silver Fire protection rating: UL94-V0 Operating temperature -20C to 105C 50A applicable wire diameter: 12-6AWG Protection level: IP20 Suitable for installation and use in high-end vehicles such as ships, yachts, RVs, and buses. Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: plastic colour: Gray Package Contents: 10 x battery connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.