1) Charging from the USB 2.0 or 3.2 port of a device.

You can charge your U800 or U900 Power bank from any USB A port that respects the USB 2.0 or USB 3.2 standard (e.g. on the USB port of a computer or television). For that use the cable of load provided with the Power bank

2) Charging from a USB charger (phone or tablet charger)

• The USB A chargers can charge the U800 or U900 Power banks, Using the charge cable provided with the Power bank.
• USB Type-C chargers allow you to charge the U900 back-up batteries Using the charging cable supplied with your phone or tablet. (The U800 backup battery does not have a USB Type-C port)