What,should,you,note,when,usin DIY What should you note when using a car charger and how to pic

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What should be noted when using a car chargerFirst of all,we have to figure out what the difference between the car charger and common charger is , the fundamental difference between them is basically the plug – car charger  plug is specifically linked with cigarette lighter in the car (usually in the cab and luggage box)   The other end of the car charger is specifically designed with the USB port  the cell phone or other digital devices can be connected to.Which data lines connected to the car charger  depends on which digital device you use.The car charger does not work unless the LED indicator lights is lighting up.Note that, do not charge the phone until the car engine is started! Otherwise, when the car is ignited, the reduction in voltage  of car battery will affect the charging effect, or even damage the car charger.Furthermore,do not place the charger to moisture or high temperature environments, the use of a suitable temperature is 0-45 ;  There will be some heat during use,be sure not exceed 60  in normal room temperature;Since various types of rechargeable product are different, the charging time is inconsistent, it has nothing to do with the charging performance of car charger;Keep away from children;Avoid lightning; Promptly pull the plug when the car charger is fully charged, careful not to dirty the USB interface, remove the installed car charger and put it away when not in use.So, for safety reasons, be sure to buy the regular brand, buy genuine, inferior products prone to security risks.Also when using the car charger, please do follow the instructions to correct method of packaging in the corresponding.How to pick up a quality car charger preferred,following are instructions1,the car charger must be equipped with 12V input fuse installed  2,the car charger with 5V output overvoltage protection would not lead to the unexpected cell phone shorted3, the current output capacity of the car charger reaches truly 2A4, if the level voltage is lower than 11.2V voltage, 5V output is cut off, please do not access to the external power supply  5,12V input is able to withstand high-voltage 80V  transient (car tend to activate an instant 80V  high-pressure for the automotive ignition)6, just do not be tempted by brand new car charger, you shall mind the internal circuitry and components,those with following features must be not disappointed. with the fuse,those without the fuse will result in short circuitwith the output current of 2A in case of very slow chargingwith low-voltage, overheating and overcurrent,otherwise, it would be easily  damage to the car batterywith 5V voltage output protection preventing the phone or electronic device from being damagedwith flying leads on  the internal PCB of  car charger no problem are unreliable There is substantially no adverse impact for brand original car charger.Why?Car charger is one of auto accessories charging digital products at any time in order to facilitate vehicle owners to use. Some high-end car charger typically includes two USB ports, which can simultaneously charge two digital products. These products generally feature overload protection, short circuit protection, high voltage input protection, high temperature protection to ensure safe use to realize car charger direct charging, USB charging and triple multi-use while being charged in the car.  The voltage outputted by car charger is typically 5V transferred from 12v-24v and limiting current is 500mAh, for those knock offs without protection function, the circuit has many flaws, if the buck and current limiting circuit fails, it will lead to 12-volt direct accessing to the phone, resulting the phone  burned. It is recommended to use the the original charger after car inverter volt rising to 220.Conventional car charger powered by car battery (car 12V, trucks 24V) is widely used by a variety of portable, rechargeable handheld devices equipped with lithium battery, such as: mobile phone, PDA, GPS, etc; car charger do not only consider the actual demand (constant voltage CV, constant current CC, OVP OVP) on lithium batteries, but take into account the harsh environment of automotive batteries (transient voltage spikes, the system switching noise interference, EMI, etc.); therefore Power Management IC of car charger program must be switching power supply chip featuring with high pressure, high efficiency, high reliability, low frequency (in favor of EMI design).  For more information about the car charger,please visit and shop at http://www.onu-mall.com/catalog/cable--amp--adapter---charger/car-charger/