1. Be aware of the output voltage of your car's cigarette burner.
The car output voltage is 12V, the truck is 24V, the general general-purpose Car Charger (12V) most applies to the sedan, if the other models need to choose the corresponding voltage standards.
2. To understand the car Charger automatic protection function
Car Charger Whether there is pressure, over-current, overheating, and short-circuit protection, and other functions, the best shell is the use of ABS flame-retardant environmental protection materials, both to prevent the external combustion and beautiful, hand touch does not leave fingerprints.
3. Note the voltage and current size
When purchasing car charger, pay attention to the voltage and current size of equipment, such as the iphone is 5v/1a, tablet computers, mobile power supply is mostly 5v/2a.
4. Know what the total current of the charger is purchased
General regular products will be on the charger to indicate the output current is how much a, if the charger has been purchased to charge the mobile phone + tablet computer is not only slow and heat, that is not the current standard.
5. Choose a reliable Brand
Reliable brand quality is guaranteed, use up also assured that this truth is not much to say, although the price is generally lower than the poor car charger expensive, but if cheap, the quality of the problem, it must be a complaint no door.