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14

Introduction

Introduction

A3

A2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Buttons, Switches &
Indicatiors

1.

USB power port

2.

USB power indicator

3.

USB/LED power switch

4.

Charging indicator

5.

Charging complete
indicator

6.

Charging jack

7.

Battery level indicators

8.

Battery level button

9.

Battery connection 
indicator

10.

Reverse polarity indicator

11.

LED work lights

12.

12V DC socket / cover

13.

Jump start power switch

14.

Positive battery clamp (red)

15.

Negative battery clamp 
(black)

16.

Carry handle

17.

Fuse

Note:

See page 6 - 7 for more

information on features.

Customer Assistance 

Should you encounter any problems with this product, or not understand its
many features, please refer to this owner’s manual. If you require further
assistance after reading this manual, Cobra Electronics offers the following
customer assistance services:

For Assistance in the U.S.A. 

Automated Help Desk English only. 
24 hours a day, 7 days a week 773-889-3087 (phone).

Customer Assistance Operators English and Spanish. 

8:00 a.m. to 5:30 p.m. Central Time, Monday through Friday 
(except holidays) 773-889-3087 (phone). 

Questions English and Spanish. 

Faxes can be received at 773-622-2269 (fax). 

Technical Assistance English only. 

www.cobra.com (on-line: Frequently Asked Questions). 
English and Spanish. productinfo@cobra.com (e-mail).

For Assistance Outside the U.S.A. 

Contact Your Local Dealer

©2010 Cobra Electronics Corporation
6500 West Cortland Street
Chicago, Illinois 60707 USA
www.cobra.com

17

13

Warranty and Trademark
Acknowledgement

For Products Purchased in the U.S.A.

Cobra Electronics Corporation warrants that its Cobra jump starter/power pack,
and the component parts thereof, will be free of defects in workmanship and
materials for a period of one year from 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 duplicated copy of a sales receipt. 

You must pay any initial shipping charges required to ship the product for
warranty service, but the return charges will be at Cobra’s expense, if the product
is repaired or replaced under warranty. This warranty gives you specific legal
rights, and you may also have other rights which may vary from state to state.

Exclusions:

This limited warranty does not apply:

1. To any product damaged by accident.

2. In the event of misuse or abuse of the product or as a result of unauthorized
alterations or repairs.

3. If the serial number has been altered, defaced, or removed.

4. If the owner of the product resides outside the U.S.A.

All implied warranties, including warranties of merchantability and fitness for a
particular purpose are limited in duration to the length of this warranty. Cobra
shall not be liable for any incidental, consequential or other damages; including,
without limitation, to damages resulting from loss of use or cost of installation. 

Some states do not allow limitations on how long an implied warranty lasts
and/or do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitations may not apply to you.

For Products Purchased Outside the U.S.A.

Please contact your local dealer for warranty information.

Trademark Acknowledgement

Cobra®, Nothing Comes Close to a Cobra® and the snake design are registered
trademarks of Cobra Electronics Corporation, USA.
Cobra Electronics Corporation™ is a trademark of Cobra Electronics 
Corporation, USA.

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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