Sony BC-U2A Operating Instructions Manual page 21

Charging in DC OUT mode
You can charge a battery pack on channel 2 while supplying power
to a connected device.
To DC powered device
Lithium-ion battery pack
Yellow
DC output cable
AC power cord
(supplied)
CHARGE indicator
Mode select switch
DC OUT indicator
DC OUT
connector
Black
1
Set the mode select switch to DC OUT.
2
Connect the supplied DC output cable 1 to the DC OUT
connector and 2 to the DC powered device.
3
Connect the AC power cord 1 to the AC input connector
and 2 to an AC power source.
DC power is supplied to the device connected in step 2, and the
DC OUT indicator lights in green.
To AC power source
4
Attach a battery pack to channel 2.
See step 3 in "Charging in CHARGE mode" for information about how
to attach a battery pack.
Detaching a battery pack
Slide the attached battery pack in the opposite direction to that when
attaching then pull it up.
AC input
When an error is detected
connector
When one of the following conditions is detected during charging,
the CHARGE indicator flashes in orange and green alternately:
• After the start of charging, quick charging does not begin.
• Charging does not finish within a specified period.
• The voltage for battery charging has exceeded the specified level.
• The internal voltage has exceeded the specified level.
• The internal voltage has dropped below the specified level.
Action to take if an error is detected
Immediately disconnect the AC power cord from the AC power
source, remove the battery packs, and contact the vendor from whom
you purchased the apparatus.
21
Charging Battery Packs