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Operational Instructions

Charging Your PB7400 Portable Battery Pack

 - Using the included USB to micro-USB cable, plug the micro-

USB connector into the micro-USB input jack on your PB7400, 

and the USB connector into any USB charging port.

 - Upon initial use, or after a prolonged storage period, the 

PB7400 should be fully charged in approximately 5.5 hours.

 - The LED Power Indicator light will light up to show you the 

charging progress.

LED Power Indicator Lights

When your PB7400 is not in use, you can check the battery level by 

pressing the Power Indicator button. This button will activate the 

LED Power Indicator light and the light will shut off automatically 

after a few seconds.

Note: 

When this button is pressed while charging, the blue LED lights flash 

multiple times.

Getting Started

Location of Main Unit Controls

1.  Power On/Off

2.  LED indicator

3.  USB charging ports 2.1Amp (max)

4.  Micro USB charging input 

Page 6 

Page 7 

LED Power Indicator Chart

1

2

3

4

Light Indicator

Power Indicator

Off

Low (Red)

Mid (Blue)

High (Green)

Summary of Contents for PB7400

Page 1: ...PortableBatteryPackForMobileDevices Portable BatteryPack user s manual model PB7400 ...

Page 2: ...belost Thankyouforpurchasingthe AT TUSBPortableBatteryPack PB7400 USBPortableBatteryPack Features Rechargeable7400mAhli ionpolymerbattery MicroUSBporttochargetheportablebatterypack DualUSBports 2 1Amps max LEDpowerindicator Slimruggeddesign PortableBatteryPack USBtoMicroUSBCable Page 2 Page 3 ...

Page 3: ...tion suchasabookcase orcabinet whichmayimpedetheflowofairthroughthe ventilationopenings 4 OBJECTSANDLIQUIDENTRY Careshouldbetakensothat externalobjectsdonotfallintoandliquidsarenotspilledonto anyopeningsorventslocatedontheproduct 5 POWERSOURCE Theunitshouldbeconnectedtoapower supplyonlyofthetypedescribedintheoperatinginstructions orasmarkedontheunit Ifyouarenotsurepleaseconsultthe dealerorlocalpow...

Page 4: ...wyouthe chargingprogress LEDPowerIndicatorLights WhenyourPB7400isnotinuse youcancheckthebatterylevelby pressingthePowerIndicatorbutton Thisbuttonwillactivatethe LEDPowerIndicatorlightandthelightwillshutoffautomatically afterafewseconds Note Whenthisbuttonispressedwhilecharging theblueLEDlightsflash multipletimes GettingStarted LocationofMainUnitControls 1 PowerOn Off 2 LEDindicator 3 USBchargingpo...

Page 5: ...iateRadiofrequency energyand ifnotinstalledandusedinaccordancewith theinstructions maycauseharmfulinterferencetoRadio communications However thereisnoguaranteethatinterferencewillnotoccur inaparticularinstallation Ifthisequipmentdoescauseharmful interferencetoRadioortelevisionreception whichcanbe determinedbyturningtheequipmentoffandon theuseris encouragedtotrytocorrecttheinterferencebyoneormoreof...

Page 6: ...ANY EXPRESS OR IMPLIED WARRANTY ON THIS PRODUCT EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW ANY IMPLIED WARRANTY OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR PURPOSE ON THIS PRODUCT ISLIMITEDTOTHEDURATIONOFTHEWARRANTY Some states do not allow the exclusion or limitations of incidental or consequential damages or limitations on how long the warranty lasts In these cases the above exclusions...

Page 7: ... 2014Concept101LLC AllRightsReserved AT TandtheAT Tlogo aretrademarksofAT TIntellectualPropertylicensedtoConcept101 LLC NewYork NewYork10018 Issue2 1 AT T12 2014 www att com electronics ...

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