- Easy to install and connect. Provides power to 12V devices from a car jump starter through an EC5 adapter, suitable for devices such as car chargers, portable car refrigerators, inflators, and other 12V equipment with EC5 connections. - Durable and reliable. Made from strong, impact-resistant materials that are not easy to break and designed for long-lasting use. - Wide compatibility and travel convenience. The special adapter cable is compatible with all types of onboard devices and adds convenience on your journey. - Cable specifications. EC5 socket to socket, total length 9 cm; input voltage: DC 12V. Output voltage details are not specified in this description. - Practical use scenarios. Road trips: power a portable 12V fridge or charger from your jump starter to keep essentials charged and cool. Camping or outdoor activities: run a 12V inflator or small pump from the jump starter for tires or air mattresses. Emergency or roadside situations: keep essential 12V devices powered when mains power is unavailable.