• High-density (dark) printing discharges the rechargeable Li-ion battery faster than low-density printing. Adjust the print density setting in the Device Settings. For more information, see Related Topics.
• The rechargeable Li-ion battery charging must take place in an environment with a temperature between 32°F and 104°F (0°C and 40°C), otherwise the rechargeable Li-ion battery will not be charged. If the charging stops because the environment temperature is too low or too high, place the printer in an environment with a temperature between 32°F and 104°F (0°C and 40°C) and try charging again.
• The recommended charging temperature range for the rechargeable Li-ion battery is from 41°F to 95°F (5°C to 35°C).
• If you use the printer when both the rechargeable Li-ion battery is installed and the AC Adapter or Car Adapter is connected, charging may stop even if the rechargeable Li-ion battery is not fully charged.

To ensure the highest performance and longest life from the rechargeable Li-ion battery:

• Do not use or store the rechargeable Li-ion battery in a location exposed to extreme high or low temperatures as it may deteriorate more quickly.
• Remove the rechargeable Li-ion battery when storing the printer for long periods of time.
• Store rechargeable Li-ion batteries with less than a 50% charge in a cool dry place and out of direct sunlight.
• Recharge the rechargeable Li-ion battery every six months if it is stored for long periods of time.
• It is normal and safe for the printer to become warm while charging. Disconnect the charger and stop using the printer if it becomes hot to the touch.
• When the printer is turned on, the rechargeable Li-ion battery health status appears on the LCD.

  For the battery health level indication, see Related Topics.

To stop the rechargeable Li-ion battery charging, disconnect the printer from the computer or power source.