Brother MPRINT MW-145MFi User Manual page 12

 Charging indicator light
You can check the status of the power supply by
observing the charging indicator light.
The charging indicator light has two functions.
1 Indicating the charging status (when the AC adapter is con-
nected)
Indicator light status
Constantly lit
Off
Flashing
2 Indicating the battery level (while running with the Li-ion battery)
Indicator light status
Off
Flashing once
Flashing twice
Continues to flash three times Almost empty
 To increase battery lifetime, try to discharge the battery
 Wait until the light continues to flash three times before
 Due to the characteristics of batteries, even though the
 In order to maintain the efficiency and life of
 Storing the rechargeable battery in a location exposed
10
completely before recharging it.
recharging the battery.
battery is fully charged, using them in low temperature
locations greatly reduces the number of printouts that
can be made.
rechargeable batteries, remove the AC adapter from
the printer when charging is completed.
to high temperatures will cause it to deteriorate. Do not
store the battery in a location exposed to direct sunlight
or high temperatures (such as inside a vehicle, near a
heater, or on a heated carpet).
Printer status
Charging
Finished charging
Malfunctioning battery
Battery level
60% or more charged
Less than 60% charged
Less than 30% charged