Dolphin® 7600 Mobile Computer
User’s Guide
Rev A
5/23/2008
11 - 3
Battery Charging
Inserting and Removing Battery Packs
To insert a battery pack, place the end of the battery without the locking tab into the bottom of
the charging pocket and snap the battery into place with a hinging motion.
To remove a battery pack, push the locking tab down and pull the battery away from the
charging slot with a hinging motion.
Charging Process
The QuadCharger device charges Li-ion battery packs in four hours. Each charging slot works
independently of the other three. As battery packs charge, the charging circuitry follows the
two-step charging process (CC-CV) that is recommended for Li-Ion batteries. The process
monitors changes in temperature, current, and voltage.
Temperature
The QuadCharger device charges Li-ion battery packs in four hours when charged within the
recommended temperature range of 50° to 95° F (10
°
to 35
°
C). Temperature has a significant
effect on charging. For best results, battery packs should be at room temperature before
inserting in the QuadCharger device.
When the battery temperature exceeds 40
°
C, the QuadCharger device may exceed the
stated four-hour charge time. The QuadCharger device stops charging if the battery
temperature is greater than 40
°
C but will begin charging again when the battery
temperature is less than 40
°
C.
To Charge Batteries
1.
Supply the QuadCharger device with power and turn the power switch on.
2.
Insert batteries into the appropriate slots.
The Status LED for each slot turns orange to indicate that the battery is properly seated and has
begun a charge cycle.
3.
When the Status LED turns green, the battery in the slot has completed charging.
Recommendations for Storing Batteries
To maintain top performance from batteries, follow these storage guidelines:
• Avoid storing batteries outside of the specified temperature range of -4 to 122° F (-20 to 50°C) or in
extremely high humidity.
• For prolonged storage, do not keep batteries stored in a charger that is connected to a power source.
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