PowerCore Speed 20000 The Ultra-High Capacity Portable Charger With Power Delivery From Anker, America's Leading USB Charging Brand Faster and safer charging with our advanced technology 20 million+ happy users and counting Power Delivery Unlike a lot of USB-C portable chargers, PowerCore Speed PD series delivers full power delivery support at 22.5W. Charges USB-C MacBooks and Nintendo Switch. High-Speed Input One of the first portable chargers to support the Power Delivery input. An enormous 30W input allows a full recharge in just 4 hours, making it possibly the fastest recharging portable charger available. Ultra-High Capacity With a capacity of 20000mAh, PowerCore Speed can charge the iPhone +-6 times without needing a recharge. That's almost an entire week away from the wall charger. Power Delivery (PD) Dual-Direction high-speed Charging Power IQ high-speed charging technology, detect and provide maximum output for the device Capacity: 20000mAh / 72.36Wh PD Input: 5V=3A, 9V=3A, 15V=2A, 20V=1.5A PD Output: 5V=3A, 9V=2.6A, 15V=1.6A Standard Output: 5V=2A Please Note Some USB-C Laptops are not supported as their input exceeds 22W. USB-C MacBooks are tested compatible What's in the box 1 x Anker PowerCore Speed 20 000mAh PD External Battery Black