Product Info

24
RK25 Mobile Computer
1.2. CHARGING & COMMUNICATION
1.2.1. CHARGE MOBILE COMPUTER
The main battery may not be charged to full for shipment. When you first receive the kit
package, you will need to charge the main battery to full before using the mobile computer.
You may use the Snap-on Charging Cable or Charging & Communication Cradle along with
a power adapter to charge the mobile computer.
Your device can also be charged by connecting to a host computer using a USB Type-C
cable. It's slower than charging using the supplied snap-on cable or Charging &
Communication Cradle.
CHARGING 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 (located
on the right) will light up in red while charging and will turn green when charging is
complete.
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 can be charged by the main battery or the power
adapter, and takes approximately 4 hours to charge to full under the condition that it is
always be charged except of power off and no external power.
 RTC Battery:
RTC battery is a rechargeable SMT type Li-battery. RTC retention will be maintained for
at least 72 hours when the main battery is removed.
CHARGING TEMPERATURE
The allowed battery charging ambient temperature is between 0 to 40 . It is
recommended to charge the battery at room temperature (18 to 25 ) for optimal
performance.
Please note that battery charging stops when ambient temperature drops below 0 or
exceeds 40 .