Connect up to 8 HIGH AMPERAGE USB peripherals such as phones, tablets, and other chargeable devices. Each port will provide from 0.8 to 2.4Amp in and it will automatically increase or decrease based on device communications with this smart-charger. This ultimate smart-charger works with your device to sense the maximum amount of power that it can draw. As your device's battery reaches full capacity, it will smartly reduce the Amps provided in the charge. Once your device is fully charged, it will change to a trickle-charge mode.? 8 USB 2.0 charging ports, can charge up to 8 devices concurrently Supports RAPID CHARGING capabilities, greatly reduce charging time Short-circuit protection, over-voltage protection, over-charge protection, safe to use, never hurt your phone battery and avoid potential risk Real-time voltage/amps charging rates displayed for each connected device via the LED display Smart power distribution automatically detects and provides optimum power to each device Specifications: Model:?YC-CDA19 Input: AC100V - 240V, 50-60Hz, 0.3A Output: DC 5V - 8A (Max) Output power: 40W (Max)