X3 Fast Charge Hub The Fast Charging Hub for the Insta360 X3 camera charges up to three X3 batteries simultaneously. Batteries charge in approximately 90 minutes, with an LED above each battery slot confirming whether the battery is charging, charged, or not charging because of malfunction. A USB Type-C charging port provides power to the hub and overcharge protection ensures intelligent charging management. Depth: 31.6 MM Charges up to 3 Batteries Simultaneously USB Type-C Port LED Indicators Charges Batteries in 90 Minutes Height: 60.4 MM Width: 71.8 MM