Brother Pocketjet PJ-623 User Manual page 12

Chapter 1
 When charging the rechargeable Li-ion
battery while the DC cable is connected,
the amount of voltage required to fully
charge the rechargeable Li-ion battery
may not be supplied by the DC power
outlet. When 180 minutes (max.) have
passed since charging started, the battery
indicator turns off and charging stops even
if the rechargeable Li-ion battery has not
been fully charged.
Rechargeable Li-ion Battery
Characteristics
Understanding the properties of the
rechargeable Li-ion battery will allow you to
optimize 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 (charged 90% or more) in a
location exposed to high temperatures will
considerably accelerate battery
deterioration.
Using the printer while the rechargeable

Li-ion battery is installed and charging
may accelerate the battery's deterioration.
If using the printer when the rechargeable
Li-ion battery is installed, disconnect the
AC adapter or DC cable.
 Try to fully discharge the rechargeable
Li-ion battery before charging it.
If the printer will not be used for a long

period of time, remove the rechargeable
Li-ion battery from the printer 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.
 For other precautions, refer to the
instruction manual included with the
rechargeable Li-ion battery.
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