J312B
QUICK START GUIDE
THIS QUICK START GUIDE IS NOT A SUBSTITUTE FOR THE INSTRUCTION MANUAL. PLEASE
REFER TO THE INSTRUCTION MANUAL AND YOUR VEHICLE’S USER’S MANUAL BEFORE USE.
IF YOU HAVE ANY QUESTIONS, CALL CUSTOMER SERVICE AT 1-877-571-2391
USB
OFF
ON
Full
Rev. Polarity!
Low
Battery
Status
12V DC OUTLET
USB POWER
INDICATOR
USB POWER
BUTTON
USB PORT BATTERY
STATUS
BUTTON
INTERNAL
BATTERY LEVEL
INDICATORS
JUMP STARTER
SWITCH
REVERSE
POLARITY
INDICATOR
030421
© 2021 Baccus Global, LLC. BLACK+DECKER and the BLACK+DECKER Logo are trademarks
of Stanley Black & Decker, Inc. or an aliate thereof and are used under license. All rights reserved.
REVERSE POLARITY ALARM
When battery clamps are connected in reverse polarity, an audible alarm (continuous beep) will sound
and the Reverse Polarity Indicator will illuminate. DO NOT ACTIVATE THE UNIT. If this happens
carefully disconnect the clamps and re-connect with the proper polarity. Ensure that the grounded
clamp has a firm and clean connection.
12V DC POWER
1. Insert the 12V DC Plug into the 12V DC Outlet
2. Operate Your device normally.
USB POWER
1. Press the USB Power Button on the control panel.
2. Plug the electronic device into the USB Port and operate normally.
3. To turn USB Port OFF, press the USB Power Button again.
BATTERY STATUS
To check the status of the internal battery, just press the Battery Status Button. One of the indicators
will illuminate telling you if the unit is fully charged and ready to operate or if it needs to be recharged.
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1
BLACK DECKER Jump starter User guide
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