3M™ Mobile Projector MP300
© 2012 3M. All Rights Reserved. 15
Charging the Battery
The rechargeable battery in 3M Mobile Projector MP300 gives you up to three hours of
battery life while in ECO lamp mode. When the battery needs to be charged, the status
indicator LED starts flashing red. The battery should be fully charged before using the
projector for the first time.
Charge the battery:
1 Turn the projector power off.
2 Connect the power adapter to the projector’s DC input.
3 Connect the other end of the power adapter to the electrical outlet.
4 The status indicator will change to amber while the battery is charging.
5 Allow three hours to fully charge the battery. When charging is complete, the status
indicator will flash green.
Battery Charging Notes:
• If the projector power is off, allow three hours for the battery to fully recharge. If the
projector power is on, the battery will take longer to charge.
• The battery has a lifespan and ages every time it is fully charged and discharged.
The battery will gradually lose charge capacity as it ages.
Battery Maintenance Tips:
• Charge and discharge the battery by turning on the projector at least once a
month.
• When storing the projector for more than a month, store it at 50% charge.
• The battery is at 50% charge when half of the battery icon is white.
