How to Use Your
Cobra CJS 50
Contents
Introduction...........................................................................................A1
Our thanks to you
What’s included
Buttons, Switches & Indicators..................................................A2
Customer Assistance......................................................................A3
Conventions ........................................................................................2
Safety Information ............................................................................3
Controls and Indicators...................................................................6
Operation..................................................................................................8
12V DC appliances.............................................................................8
Operating DC appliances...............................................................8
USB devices..........................................................................................8
Jump starting a vehicle’s engine..................................................9
Recharging the power pack battery.........................................10
Troubleshooting...................................................................................11
Specifications .......................................................................................12
Product service....................................................................................13
Warranty Information.......................................................................14
Features of This Product
• 12 Volt DC power outlet for DC
accessories & appliances
• LED super bright emergency
light
• 5V USB port to power up or
charge cellphones, PDAs or
consumer electronic devices
• 1200 Watt (300A) instant
starting power to start vehicles
• Rechargeable internal battery
• LED display indicates the
battery capacity
• Reverse polarity connection
indication & alarm
• On/off safety switch
• Heavy duty cables and clamps
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