Introduction:With battery life still struggling to accommodate the needs of heaviest smartphone users, reducing charging times is the next best thing. Qualcomm Quick Charge technology aims to do just that. The latest 2.0 version boasts up to 75 percent faster charging times than standard devices and HTC states that using the Rapid Charge 2.0 adapter states, you can charge your smartphone to 60 percent in just 30 minutes.Quick Charge 2.0 is built in to all of Qualcomm’s latest SoCs, meaning that most of us should be able to benefit from faster recharge speeds.Qualcomm’s Quick Charge 1.0 technology was designed to maximise charging efficiency for up to 10 watts of power, by allowing for a maximum current draw of 2 Amps through a standard USB adapter and port voltage of 5 volts. Quick Charge 2.0 allows for an even higher level of power transfer between your power source and smart device, up to a maximum of 36 watts in certain scenarios. Qualcomm splits its 2.0 technology into two classes, A and B. The specifications for Class A allow for a maximum charging current of 3 Amps, depending on the source. Your typical smartphone charger will run at 5 volts, drawing 3A of current boosts Quick Charge 2.0 up to 15 watts of power. This means that you can draw more current from a traditional 5 volt USB supply, thereby speeding up the charging time.Class A devices will also work with 5, 9, or 12 volt supplies and can therefore tolerate more power. The range of higher voltages means that a single charger can work with a wide range of devices and also ensures high quality performance by reducing the impact of any voltage losses that appear over long cable distances or poor quality cables.We’re most interested in Class A, which applies to smartphones, tablets, and other portable electronics.Qualcomm’s Quick Charge 1.0 and 2.0 technologies are also backwards compatible with one another, meaning that you can use a 2.0 devices with a 1.0 supply, or a 1.0 device and 2.0 supply and get your 2 Amps. However, only a 2.0 device and compatible 2.0 charger will allow for 3 amps of current and higher power ratings.Why do I need a new power adapter?If you check the current rating of the mains adapter that came with your smartphone you will probably find that it is rated anywhere between 1 and 2 Amps, depending on its age. Quick Charge 2.0 can juice up from a maximum of 3A, so you will need a mains plug source capable of outputting a higher amount of current than your typical phone charger to make full use of the technology.Quick Charge 2.0 will technically work with any USB adapter capable of outputting 3A or more at 5 volts and will simply limit the current to the maximum allowed. As we said before, Quick Charge 1.0 handsets will be limited to 2A even from a 3A mains plug and other smartphones will have their own lower limits too. Other phone’s won’t necessarily work with higher current adapters or other cables, as they can be fooled into thinking they are connected to USB rather than the mains and limit their own charging speeds. This isn’t a problem with Quick Charge enabled devices.  Tech Spec:Input: AC 110V-240V~50Hz, 05A; DC 12A-24A, 2AOutput: QC 2.0 mode : DC 5V-9V-12V, 2AAuto mode : DC Max 5V, 2.4APackage Include:-Quick Charge 2.0 USB Charger الاجهزة التى متوافق معها:Motorola Moto X (2014)• Motorola Droid Turbo• Google Nexus 6• Samsung Galaxy Note 4• Samsung Galaxy Note Edge• Sony Xperia Z3• Sony Z3 Tablet Compact• xiaomi phone 4