Charging the Battery (ES-300W/ES-300WR)

The scanner runs on battery power when it is connected to the computer with a USB cable or WiFi. You can charge the battery from a computer with a USB connection or by connecting a power cord and AC adapter to the scanner.
To charge the battery with the power cord, connect the power cord to the AC adapter, connect the AC adapter to the scanner, and then plug in the power cord.


The battery charging light turns orange while the battery is charging. When charging is complete, the light turns blue (if the scanner is on) or turns off (if the scanner is off).

Note: The battery takes about 3 hours to fully charge.

To charge the battery from a computer with a USB connection, follow these steps:

  1. Make sure that the computer is on and not in sleep mode.
  2. Connect the scanner to the computer using the micro USB cable.


  3. Press the  power button to turn on the scanner. The battery charging light turns orange while the battery is charging. When charging is complete, the light turns blue (if the scanner is on) or turns off (if the scanner is off).
    Note: Battery charging time when the scanner is on is about 4 hours when connected to a USB 3.0 port and about 20 hours when connected to a USB 2.0 port. Charging times increase if the scanner is off during the charging process.