Watson CBA-C1 AC Adapter and DC Coupler Replaces LP-E6N Battery - Manual (Page 2)

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The Watson AC Adapter and DC Coupler Kit delivers continuous power
to your camera, so you won't need to replace batteries. Attach the
AC adapter to a regular wall outlet and pop the DC coupler into your
camera. You'll have a continuous power source allowing extended
shooting, so you won't have to disrupt your workflow.
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