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What is an emergency power supply for a car? Auto emergency starting power supply is a kind of multifunctional portable power supply developed for car lovers and business people. Its characteristic function is to start the car when the car fails to start due to power failure or other reasons. At the same time, it combines the charging pump with emergency power supply, outdoor lighting and other functions, which is one of the necessary products for outdoor travel.
The auto emergency starting power is designed to be easy to operate, convenient to carry and able to deal with various emergencies. At present, there are two main types of emergency starting power for vehicles on the market, one is lead-acid battery, the other is lithium polymer.
Lead-acid battery automotive emergency starting power supply is more traditional, the use of mainting-free lead-acid battery, the quality and volume are larger, the corresponding battery capacity, starting current will also be larger. Such products are generally equipped with air charging pumps, overcurrent, overload, overcharge and reverse connection indicating protection functions, which can charge all kinds of electronic products. Some products also have inverters and other functions.
Lithium polymer auto emergency starting power is relatively new, is a recent product, light weight, small size, can be a hand. Such products are generally not equipped with charging pump, with over-charging off function, and lighting function is more powerful, can supply power for all kinds of electronic products. The lamps of this kind of products generally have the function of explosion flash or SOS remote LED rescue signal lamp, which is more practical.