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Product Service

Specifications

13

12

12 DC Power:

Internal battery (Capacity/Type)

7Ah/12V sealed lead-acid battery

DC power socket (maximum continuous load)

8A with automatic reset

DC fuse

15A

Battery:

No load current draw

<0.5A

Operating temperature range

14°F~104°F (-10°C~40°C)

Storage temperature range

-4°F~158°F (-20°C~70°C)

Internal battery charging controller system:

AC charging bulk charging current

300mA

Peak charging voltage (nominal)

14.2V±0.2V

Charging restart voltage (nominal)

12.9V±0.2V

Physical Specifications:

Jumpstarter cables (size/length)

8.37mm

2

/(460±19.5)mm

Dimensions H*W*D

12.75” H x 9.5” W x 3.75” D 

(330.2mm x 309mm x 114.3mm)

Weight

7 lbs., 6.7 oz. (3.3g)

For any questions about operating this new Cobra product, or if parts are
missing…

PLEASE CALL COBRA FIRST

…do not return this product to the store.

See customer assistance on page A3.

If your product should require factory service, please call Cobra first before
sending your unit. This will ensure the fastest turn-around time on your repair.
You may be asked to send your jumpstarter/power pack to the Cobra factory. 

It will be necessary to furnish the following to have the product serviced and
returned.

1. For warranty repair include some form of proof-of-purchase, such as a

mechanical reproduction or carbon copy of a sales receipt. If you send the
original receipt, it cannot be returned. 

2. Send the entire product.

3. Enclose a description of what is happening with the jump starter/power

pack. Include a typed or clearly printed name and address of where the unit
is to be returned.

4. Pack unit securely to prevent damage in transit. If possible, use the original

packing material.

5. Ship prepaid and insured by way of a traceable carrier such as United Parcel

Service (UPS) or Priority Mail to avoid loss in transit to: 

Cobra Factory Service
Cobra Electronics Corporation
6500 West Cortland Street
Chicago, Illinois 60707 USA.

6. If the jumpstarter/power pack is in warranty, upon receipt of your unit, it

will either be repaired or exchanged depending on the model. Please allow
approximately three to four weeks before contacting Cobra for status. If the
unit is out of warranty, a letter will automatically be sent informing you of
the repair charge or replacement charge.

If you have any questions, please call 773-889-3087 for assistance.

Summary of Contents for CJS 50

Page 1: ...zardous conditions for the user Please keep this manual for future reference What s Included with Your CJS 50 1 Power pack with jump start cables 2 120V AC charging adapter 3 Owner s operating instructions CJS 50 2009 Cobra Electronics Corporation Version C Printed in China Part No 480 547 P Jump Starter PowerPack Operating Instructions Introduction A1 1 2 3 The Cobra line of quality products incl...

Page 2: ...rom the date of first consumer purchase This warranty may be enforced by the first consumer purchaser provided that the product is utilized within the U S A Cobra will without charge repair or replace at its option defective jump starter power pack products or component parts upon delivery to the Cobra Factory Service department accompanied by proof of the date of first consumer purchase such as a...

Page 3: ...r pack battery 10 Applications 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 500 peak Amps of instant starting power to start vehicles Rechargeable internal battery LED disp...

Page 4: ... qualified technician perform any service work WARNING Explosion hazard Do not use this product where there are flammable fumes or gases such as in the bilge of a gasoline powered boat or near propane tanks Do not use this product in an enclosure containing automotive type lead acid batteries These batteries unlike the sealed AGM battery in power pack vent explosive hydrogen gas which can be ignit...

Page 5: ... not to drop a metal object on the battery or allow a metal tool to simultaneously touch the positive and negative cable ends or battery terminals It might spark or short circuit the battery or other electrical parts and cause an explosion 5 Remove personal metal items such as rings bracelets necklaces and watches when working with batteries Batteries produce a short circuit current high enough to...

Page 6: ... lights 12 2V U 12 4V Red and yellow LED light 12 4V U 12 6V Red yellow and one green LED light U 12 6V Red yellow and two green LED all light 9 Reverse polarity Red LED indicates jump start connection to battery indicator is incorrect 10 LED lights Four white LED lights for emergency use 11 12V DC socket Easy access output port to charge 12V accessories Note The unit contains 15A fuse for over cu...

Page 7: ...minals must be positive to positive red clamp to battery and negative to negative black clamp to battery or vehicle chassis NOTE Carefully follow these instructions for jump starting your vehicle as they may be different from the instructions supplied with other jump start products or cables To jump start a vehicle 1 Turn off the vehicle and all accessories 2 Place the unit on a flat and stable su...

Page 8: ...it assumes that there is 120V at the AC wall outlet If the voltage is less than 120V AC it may require more time to fully recharge the internal battery Once fully charged the charging current automatically reduces to a floating charge mode and the unit may be left permanently connected to the AC charger Problem Cause Solution The power pack can not jump start vehicle The battery in the power pack ...

Page 9: ...wer pack to the Cobra factory It will be necessary to furnish the following to have the product serviced and returned 1 For warranty repair include some form of proof of purchase such as a mechanical reproduction or carbon copy of a sales receipt If you send the original receipt it cannot be returned 2 Send the entire product 3 Enclose a description of what is happening with the jump starter power...

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