Anker 325 Power Bank (PowerCore 20K)

This power bank has an enormous capacity of 20,000 mAh and weighs approximately 342.5 grams with dimensions of 15.8 x 7.44 x 1.93 cm. The power bank features PowerIQ technology and VoltageBoost technology to ensure fast and safe charging for nearly any device. With two USB ports, the power bank can charge two devices simultaneously at maximum speed.

However, the USB-C port is not suitable for charging other devices. The device can be recharged via USB-C or Micro-USB and takes about 10 hours with a 10W power adapter or 20 hours with a 5W power adapter. The power bank comes with a micro-USB cable.