1. using a power bank or a usb power adapter with dc output of 5v/2a is required via the micro usb port for charging the m1 mini battery.

2. charge the projector for 2 hours (5v/2a) before using it in battery mode for the first time.

battery usage time information

note:

• when the projector is in use, a 5v/2a power adapter is required to fully recharge the projector.
• when the projector is in use, using the usb a port to power other devices, e.g. wireless dongle, may prevent the projector battery from being fully recharged.
• when the projector is in use with a low battery status, using the usb a port (2.5w), even if the power adapter is plugged in, the projector may turn off or restart automatically. if this occurs it is suggested to remove the usb a connected device and let the battery fully charge.