3M
™
Pocket Projector MPro150
14 © 2010 3M. All Rights Reserved.
English
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 can also be charged by connecting the projector to a computer USB port.
This method will fully charge the battery in six hours.
• The battery has a lifespan and ages every time it is fully charged and discharged. The
battery will gradually loose charge capacity as it ages. Therefore, as the battery ages the
battery life will decrease.
Battery Maintenance Tips:
• Remove the battery when the projector will not be used for one week or longer.
• Charge and discharge the battery by turning on the projector at least once a month.
• When storing the battery for more than a month, store it at 50% charge. The battery is at
50% charge when the battery icon has three bars.
• Do not store a fully discharged battery because it may lose the ability to be recharged.
• Do not store a fully charged battery because it may lose the ability to be recharged to
full power.
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