3M CP40 User Manual

 Connect one end of the supplied AC adapter to the USB 

port of the projector and the other end to a wall outlet. 

 

OR 

 

Connect one end of the supplied USB cable to the USB 

port of the projector and the other end to a powered PC. 

Note: Projector power switch must be Off to charge the 

battery.

 The Power LED turns orange and the charging starts.

 When the Power LED turns green, the battery is fully charged.

Projector power switch Off, connected to AC 

adapter

around 4 hours

Projector power switch Off, connected to 

computer with USB cable

around 7 hours

Projector power switch On and  AC adapter or 

USB cable connected 

no charging

The 

Power LED turns orange when the projector is charging. 

The 

Power LED turns green when the AC power adapter is connected and the 

projector is in standby mode. Also indicates a fully charged battery.