User's Manual

1 - 8 MC55 User Guide
several hours. The backup battery retains RAM data in memory for at least 15 minutes (at room temperature) when
the MC55's main battery is removed. When the MC55 reaches a very low battery state, the combination of main
battery and backup battery retains RAM data in memory for at least 48 hours.
To charge the main battery, use either a charging cable or a cradle. For cable and cradle setup and charging
procedures refer to the MC55 Integrator Guide.
• Single Slot USB/Serial Cradle
• Four Slot Charge Only Cradle
• Vehicle Cradle.
To charge the main battery:
1. Connect the charging accessory to the appropriate power source.
2. Insert the MC55 into a cradle or attach to a cable. The MC55 begins charging. The Charging/Battery Status
LED blinks amber while charging, then turns solid amber when fully charged. See Table 1-2 for charging
indications.
The 2200 mAh battery fully charges in approximately five hours and the 3300 mAh battery charges in
approximately seven hours.
Charging Spare Batteries
See Chapter 6, Accessories for information on using accessories to change spare batteries.
Charging Temperature
Charge batteries in temperatures from 0°C to 40°C (32°F to 104°F). Note that charging is intelligently controlled by
the MC55.
Table 1-2 LED Charge Indicators
Charging/Battery
Status LED
Indication
Off MC55 is not charging.
MC55 is not inserted correctly in the cradle or connected to a power source.
Charger/cradle is not powered.
Slow Blinking Amber
(1 blink every 2 seconds)
MC55 is charging.
Solid Amber Charging complete.
Note: When the battery is initially inserted in the MC55, the amber LED flashes
once if the battery power is low or the battery is not fully inserted.
Fast Blinking Amber
(2 blinks/second)
Charging error, e.g.:
• Temperature is too low or too high.
• Charging has gone on too long without completion (typically eight hours).
Single Blink Amber (when
Power button pressed)
Battery depleted.
Blinking Amber (when
Power button pressed)
Battery over-temperature condition.
DRAFT