In order to drive safety and convenience, many people will prepare some practical necessary gadgets in the car, the car emergency start power supply (DPP) is one of them. How many drivers have encountered a battery deficit, a car that won't start, a waste of time and money. Especially in areas with low winter temperatures, power losses are common. Emergency starting power is also a tool that is rarely used at ordinary times, but can highlight its value at critical times. But I sometimes talk to my friends and they don't always have one in the car.
More