The Anker Advantage: Combine the 50 million+ powered by our top technology. Fast-Charging Technology: PowerPort+ 1 ensures the quickest possible charge for any tablet or smartphone computer, as a result of Quick Charge 3.0 and PowerIQ technology. (doesnt encourage fast-charging to get iPhone 8 and over but will bill at regular speed.) Supreme Compatibility: Backwards-compatible with versions of Qualcomm Quick Charge technologies (1.0, 2.0 & 3.0). Additionally charges nonRapid Charge devices at around 2.4A.Safety First: Exclusive Anker technologies offers surge protection, temperature control and more innovative security features, keeping you and your devices secure. Everything You Buy: Anker PowerPort+ 1 Fast Charge 3.0 Wall Charger, welcome guide, our worry-free 18-month guarantee and friendly customer services.