Battery - CipherLab RS51 Reference Manual

BATTERY


Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries
according to the instructions.

The main battery may not be charged to full for shipment. Charge the main battery to full
before using the mobile computer for the first time.

Main battery:
The main battery powers the mobile computer to work. It takes approximately 4 hours to
charge an empty main battery to full. For the first time charging the main battery, please
charge it for at least 8 to 12 hours.The charging LED above the screen will light up in red
while charging and will turn green when charging is complete.
When the main battery is removed, RTC retention will be maintained for at least 30 minutes.

Backup battery:
The backup battery is mounted on the main board. Its role is to temporarily keep the mobile
computer in suspension when the main battery is drained out so data in DRAM will be
retained. The backup battery takes approximately 4 hours to charge to full by the main
battery or power adapter.

To preserve battery life and avoid battery bulge:
(1) Please do not use your device while continuously connected with a power supply or
cradle for charging. If you need to use your RS51 mobile computer with a power supply
or cradle continuously connected, be sure to turn on
(2) If the main battery is fully charged, do not keep connecting your RS51 mobile computer
with charging it a power supply or cradle for charging. If you need to continuously
connect your RS51 mobile computer with a power supply or cradle, be sure to turn on
"Balance
Mode".

The allowed battery charging ambient temperature is between 0 ℃ to 45 ℃ .It is
recommended to charge the battery at room temperature (18 ℃ to 25℃ ) for optimal
performance.

Battery charging stops when ambient temperature drops below 0℃ or exceeds 45℃.

In order to prevent system from shutting down after the battery is drained out, keep a fresh
battery for replacement at all times, or connect the mobile computer to an external power.

If there are drippings or dust on the device or battery pack, wipe them away with a soft clean
cloth before battery replacement.

Turn off the power before battery replacement.

If you want to put away the mobile computer for a period of time, remove the battery pack
from the mobile computer's battery compartment. Store the mobile computer and battery
pack separately.

Recycle batteries in a proper way for the green-environment issue.
"Balance
- 11 -
Important Notices
Mode".