User's Manual

USB PORT
Use the Watson Duo Charger to power your USB
devices with up to 5 V and 2 A output. This is ideal to
connect your mobile phone while you're charging your
camera and camcorder batteries.
TEST BUTTON
You can test the charge state of your batteries, even
when the Duo Charger is unplugged.
1. Slide a battery into the charging plate, and press
the test button.
2. Press the test button again to display the
battery's voltage. After five seconds, the display
will revert to showing the charge state.
LCD
When you first insert the batteries, the display will
show 0% capacity. Please wait a few moments as the
charger scans the batteries and updates the status.
Once the battery has completed charging, the display
will show FULL above the battery icon.
Note: It is normal for the batteries to become warm
during charging.