Question 1: What is Quick Charge 4.0?
Answer: Quick Charge 4.0 can charge compatible devices up to five times faster than a conventional charger. Qualcomm Quick Charge 4.0 is smart battery management technology available for fast and reliable smartphone charging .
It charges faster of course. But it’s not just faster, it’s designed to be more efficient and run cooler than prior quick charge 2.0, quick charge 3.0. Compared to Quick Charge 3.0, Quick Charge 4.0 is up-to 20 percent faster, or 30 percent more efficient, while charging up to 5° C cooler.
Question 2: How does Quick Charge 4.0 work?
Answer: Employed with Intelligent Negotiation for Optimum Voltage (short for INOV), The New Quick Charge 4.0 can determine what power level your smartphone device requests at that charging status and then determine and send optimum power transfer in maximized efficiency.
Question 3: Does Quick Charge 4.0 be backward compatible with Quick Charge 3.0 and Quick Charge 2.0 devices?
Answer: Yes, Quick Charge 4.0 is 100% backward-compatible with Quick Charge 2.0 and Quick Charge 3.0 devices. Meanwhile, it can also be collaborated with USB Type-A, USB micro, USB Type-C or other proprietary connectors(pay attention that the quick charge 4.0 adapter may not send enough power to your smartphone equiped with lower version of charging protocol).
Question 4: What devices now support Quick Charge 4.0?
Answer: Till now, here are HTC One A9, LG G5, HP Elite x3, LeTV Le MAX Pro, Xiaomi Mi 5, NuAns NEO and General Mobile GM5+. (check list (pdf version:1.2M 5 pages):)
Question 5: Can a Quick Charge enabled deviced be charged by an adapter from another manufacture?
Answer: Yes, but we suggest you to use quality chargers.
Question 6: Can any type of charging cable be used with a Quick Charge 4.0 charger/adapter?
Answer: Quick Charge 4.0 charger/adapter is compatible with a variety of formats, including USB Type-1. USB micro, USB Type-C and other proprietary connectors, but only use that can pass 3A current to get max performance of your charger/adapter.
Question 7: Can Quick Charge hurt my smartphone’s battery?
A: Quick Charge is designed to allow lithium battery to achieve the full rated charging capability of the batteries they are set for while still meeting the performance and safety standards set by the lithium battery manufacturer.