Anker PowerCore Essential PD 20000mAh

High-Speed Charging
The two 18W charging ports provide high-speed charging to a huge range of USB-C and USB devices. (15W shared total output)Power DeliveryThe USB-C port supports both input and output. So now you can charge your devices, and recharge your PowerCore at high speed.Trickle-Charging ModeProvide safe and optimized charging to low-power devices such as Bluetooth earphones and speakers.PowerCore at high-speed – all with one cable. Together with the 18W PowerIQ 2.0 USB port, you can now charge virtually any phone or tablet at high-speed. (Compatible with Qualcomm Quick Charge)