Brother AiRScouter WD-370B User Manual page 31

1
Before connecting an external battery to the control box,
ensure that the external battery has been fully charged.
(For more information on charging a third-party USB
battery, see the battery's manual.)
2
Connect the Micro-USB B plug of a USB Type-A to Micro-
USB B cable to the Micro-USB B port of the control box.
3
Connect the USB Type-A plug to the USB Type-A port of
the external battery.
31