Brother P-touch E300 User Manual page 22

GETTING STARTED
Rechargeable Li-ion Battery Characteristics
Understanding the properties of the rechargeable Li-ion battery will allow you to optimise its
usage.
• Using or storing the rechargeable Li-ion battery in a location exposed to high or low temperatures
may accelerate its deterioration. In particular, using a rechargeable Li-ion battery with a high
charge (90% or more) in a location exposed to high temperatures will considerably accelerate
battery deterioration.
• Using the labelling system while the rechargeable Li-ion battery is installed and charging may
accelerate the battery's deterioration. If using the labelling system when the rechargeable Li-ion
battery is installed, disconnect the AC adapter.
• If the labelling system will not be used for longer than one month, remove the rechargeable
Li-ion battery from the labelling system when its charge is 50% or less, and then store the battery
in a cool place away from direct sunlight.
• If the rechargeable Li-ion battery will not be used for a long period of time, we recommend
charging it every 6 months.
• During charging it is normal for the battery to feel warm to the touch.
Rechargeable Li-ion Battery Specifications
• Charging time: Approximately 6 hours when charged by a AC adapter (AD-E001)
• Nominal Voltage: DC 7.2 V
• Nominal Capacity: 1850 mAh
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Power Supply