Description: Battery Plugs for Environments where a Durable, Rugged Connector, Capable of low Voltage, high Current Applications from 1-36 volts up to 50 amps is required. Our Plugs are Made of Tough Polycarbonate Plastic and Come with Silver Coated Copper Connections. High Tension, High tensile Springs keep the Contacts of the Plugs in a Solid Locking Connection. These Plugs form a Reliable Weather and Vibration Resistant Connection, Cannot be Cross Connected, and are most Commonly used to connect auxiliary power from a vehicle to a trailer. Suitable for Solar Panels, Dual Battery Systems, Caravans, 4WD, Fridges etc. Specification: Material: Plastic and Metal Size: Approx 3.5cm*1.5cm*4.7cm Cable Size: 10-12 AWG Length: 25cm(9.8") Contacts Can be Either Crimped or Soldered Operating temperature: -20C to 75C Insulaton Resustance: 5000MΩ Average. Connector/disconnect(N): 65N Connector holding force(lbf): 250N Min Package Includes: 2 Pieces 50A Connector Housing 4 Pieces Copper Contacts 2 Pieces Red Wires 2 Pieces Black Wires Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.