Samsung i8 (User Manual) - Manual (Page 14)

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Connecting to a power source
You can charge the rechargeable battery (SLB-0937) by using the
SAC-47 KIT which consists of the AC adapter (SAC-47) and the USB
cable (SUC-C3).
When the SAC-47 and SUC-C3 are combined, they can be used as an
AC cable.
Using an AC cable:
Connect the AC adapter to the
USB cable.
It can be used as a power cable.
Using a USB cable:
Remove the AC adapter (SAC-47).
You can download stored images to
your PC (p.123) or supply the power
to your camera through the USB
cable.
Important information about USB cable usage.
Use a USB cable (SUC-C3) with the correct specifi cation.
If the camera is connected to the PC through a USB hub:
connect the camera directly to the PC.
If the camera and other devices are connected to the PC at
the same time: remove other device.
If the USB cable is connected to a port located on the front
of the PC: remove the cable and connect it to a port located
on the back of the PC.
If the USB port of the PC doesn’t meet the Power output
standard (4.2V, 400mA), the camera may not be charged.