Multifuctional Machine 12V Battery Box USB Car Charger with LED Voltmeter Display Screen for Car Truck Boat Trailer RV

Features Multifunctional battery box, can hold battery as power, can be used as USB car charger. With hand handle, easy to carry. With positive and negative pole swich and opinion power switch, practical and convenient. Made of High quality PBT material, it has good heat resistance, insulation and mechanical properties. LED voltmeter display screen, real-time detection of voltage. Discounted at only: US$ 144.45