User Manual

ManualsBrandsHUMMER ManualsPower BankHUMMER HX Pro Multifunctional Power Bank

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Error Status

Light & Beep

Action

Reverse

Polarity

Correct the

connection

Low Battery

Recharge

Hummer

Overtime

Disconnect

Jumper Cable

Reverse

Charge /

Over-voltage

Disconnect

Jumper Cable

Overheat

Cool down for

10 minutes

If Red Light On or No Light On

DONE!