5.9.2. The batteries can also be charged using the Quad-Bay battery charger (CRA-
A274). Connect the Quad-Bay charger to the power supply provided for the charger and
plug the power supply to an AC power source. Insert batteries into the charger (Figure
12). The batteries will start charging as the Power Gauge LEDs start flashing 4 second on
and 1 second off. The LEDs will stay solid on when a battery is fully charged. The
battery will be fully charged in approximately 4 hrs when using the quad-bay battery
charger.
Figure 12 Charging B27 Batteries in a Quad-Bay Charger
Please note: the temperature range to charge the battery is 0°C – 40°C (32°F – 104°F).
Although the reader will operate beyond this range, the battery may not charge
properly. To avoid temperature related battery issues, always charge the battery and
operate the reader between 0°C – 40°C (32°F – 104°F).
Please note: It is normal that the area around the serial label on the reader becomes
warm during charging.
For long-term storage or shipping, please remove the battery from the reader or the
quad-bay charger.