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Cobra CPI 150 Operating Instructions Manual

Made by: Cobra
Type: Operating Instructions
Category: Inverter
Pages: 18
Size: 3.12 MB

 

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Introduction A1

How Your Cobra

®

Power Inverter Works 

A3

Rechargeable Appliances

1

Quick Checkout 

2-3

Operation 4

Controls and Indicators 

5

Operating Limits 

6

Input Voltage/Automatic Shutdown 

6

Troubleshooting Guide 

7

Maintenance and Service 

8-9

Power Consumption 

10

Specifications 11

Limited 1-Year Warranty 

12

1
2
3

4
5
5

6
7

8

9

10

Table of Contents

 

 


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1

1

RECHARGEABLE APPLIANCES

Certain rechargers for small
nickel cadmium batteries can
be damaged if connected to
the CPI 150 BK/WH. Two types
of equipment are particularly
prone to this problem:

1.

Small battery operated 
appliances that can be 
plugged directly into 
an AC receptacle for 
recharging, including 
flashlights, razors, and 
night lights.

2.

Certain battery chargers for
battery packs used in hand
power tools, specifically 
those that have a 
WARNING label stating 
that dangerous voltages 
are present at the battery 
terminals.

Problems do not occur with
the vast majority of battery
operated tools, most of which
use a separate charger or
transformer that plugs into
an AC receptacle and
produces a low voltage
output. If the label on your
tool’s AC adapter or charger
states that is produces a low
voltage AC or DC output 
(less than 30 volts) you 
can safely power the charger
with your CPI 150. 

CAUTION

 


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2

QUICK CHECKOUT

In order to check the
performance of your 
CPI 150 before using it,
please have the following 
on hand:

1.

A 12 volt DC power source 
(such as a vehicle battery)

2.

A test load such as a lamp 
or other small appliance 
that can be plugged into
the AC receptacle on the 
inverter.

Power Source

You will need an 11 to 
15 volt DC power source
capable of supplying enough
current to run the test load. As
a rough guide, divide the
wattage of the test load by 10
to get the current (in amperes)
that the power source must
supply. A fully charged
standard automotive battery
will work fine.

Connecting to the 
Power Source

Your CPI 150 BK/WH comes
with a 24 inch cable and
detachable cigarette lighter
plug that converts to an
airplane 12 volt female
connector.

Do not connect to the power
source if flammable fumes
are present. Explosion or
fire may result.

2

WARNING

 


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2

QUICK CHECKOUT

Quick Checkout 

(continued)

To connect your inverter
to the power source:

1.

If the power source is a DC 

power supply, switch it off.

2.

Connect power cord to 

the inverter.

3.

Insert the cigarette lighter 

plug into your vehicle’s 
cigarette lighter.

4.

For airline application, remove

lighter plug from cable.

Note

: Some airplanes are

equipped with cigarette
lighter type socket.

5.

Status LED on top of unit 

will illuminate indicating 
“on” status.

6.

Plug the power cord from 

the test load into the 
inverter’s AC receptacle.

Testing

The inverter will come on
automatically. It should supply
power to the load. If the
inverter does not appear to
work properly, refer to the
Troubleshooting Guide on 
page 7.

3

5V USB Outlet

Airplane Plug

Power Cord

 


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4

The location where you should
use your CPI 150 must be:

dry

–Do not use the unit 

where water can drip or 
splash on it.

cool

–Ambient air 

temperature should be 
between 30˚ and 105˚ F
(0˚ and 40˚ C). The cooler 
the better.

ventilated

–Allow at least 

1 inch (3 cm) of clearance 
around the unit for proper 
air flow. Make sure that 
ventilation openings on the 
ends of the unit are not 
obstructed.

To prevent fire, do not cover
or obstruct ventilation
openings.

The inverter must only 
be connected to batteries
with a nominal output
voltage of 12 volts. It will
not work with a 6 volt
battery, and will be
damaged if it is connected 
to a 16 volt battery.

CAUTION

CAUTION

OPERATION

3

 


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4

CONTROLS & INDICATORS

Powering Up

To apply power to the CPI 150,
simply plug in to 12 Volt DC
source (cigarette lighter or
airplane power source).

Power/Fault Indicator

The "fault" indicator of your
CPI 150 will light whenever
the unit detects excessively
high or low input voltage, or
begins to overheat.

CAUTION NOTE

: Make sure 

you unplug inverter from
power source before you 
leave your vehicle.

5

power/fault
indicator

Cigarette Lighter Plug

Airplane Plug

 


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5

OPERATING LIMITS 

INPUT VOLTAGE/AUTO SHUTDOWN

Power Output

AC Output:

Your CPI 150 will deliver 
150 watts continuously. It
can deliver 180 watts for
about 30 minutes, after
which it must cool for 
about 15 minutes before 
it can resume operation at 
150 watts. (

NOTE:

the

wattage rating applies to
resistive loads.)

USB Output:

5 Volt continuous output.

Input Voltage

Your CPI 150 will operate
from input voltage ranging
from 10 to 15 volts.
Optimum performance occurs
when the voltage is between
12 and 14 volts.

The inverter will automatically
shut down if the input
voltage drops below 10.0 ±
0.3 volts.  This protects the
battery from being over-
discharged. The inverter will
restart when the input voltage
exceeds 12.0 ± 0.3 volts.

The inverter will also shut down
if the input voltage increases
to 15.5 ± 0.5 volts. This helps
protect the unit from damage
due to excessive input voltage.
Although the inverter is
protected in this way, it may
still be damaged should the
input voltage exceed 16 volts.

Automatic Shutdown

The unit will automatically go
into thermal shutdown if it
becomes overheated due to
excessive input voltage, poor
circulation or high ambient
temperature.

6

 


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6

TROUBLESHOOTING GUIDE

7

Problem/

Possible Solution

Symptom

Causes

Low output voltage

Overload

Reduce the load.

No output voltage

Low input 

Recharge battery.

voltage

Check connections 

and cable.

Short circuit or

Check AC wiring for short 

wiring error

circuit or improper polarity.

No output voltage   High input

Make sure the inverter 

and "fault" 

voltage

is connected to a 

indicator is lit

12 volt battery.

Check regulation of 

charging system.

No output voltage

Thermal

Allow inverter to cool down

when load is in    

shutdown

Improve ventilation—

excess of 150 watts 

make sure ventilation  

or 1.3 amperes

openings in the inverter 

are not obstructed. Lower  

ambient temperature.

 


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7

MAINTENANCE & SERVICE

Maintaining Your
Inverter

Your CPI 150 requires very
little maintenance to keep it
operating properly. The
exterior of the unit should be
cleaned periodically with a
damp cloth to prevent
accumulation of dust and dirt.
Keep vents and fans free from
dust or debris.

Service

You can receive technical
assistance with your unit 
through one of our customer
support services:

• Automated Help Desk 

is available 24 hours a day, 
7 days a week at
773-889-3087.

• Customer Service Operators

are available at 
773-889-3087 
Monday through Friday, 
8:00 a.m. to 6:00 p.m.
Central Time.

• Questions can be faxed

to 

773-622-2269.

• Automated Technical 

Assistance 

is available 

24 hours, 7 days a week 
via e-mail at: 
productinfo@cobra.com.

• On-line answers

to 

frequently asked questions 
can be found at: 
www.cobra.com

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

8

WARNING

: This product contains lead, a chemical known to the State of California to

cause cancer and birth defects or other reproductive harm. 

Wash hands after handling

.

 


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9

7

MAINTENANCE & SERVICE

Service 

(continued)

If you suspect that your unit
requires service, please call 
773-889-3087 BEFORE
shipping it to Cobra

®

. This

will ensure that you receive
service as quickly as
possible.

If you are asked to send your
unit to the Cobra

®

factory,

please follow these steps:

1.

Send the complete unit.

2.

For warranty repair, enclose

some form of proof-of purchase,
such as a photocopy or carbon
copy of a sales receipt. If you
send the original receipt, it
cannot be returned.

3.

Enclose a typed or clearly

written description of the
problem you are having with
your unit, plus the name and
address where you want the
unit returned.

4.

Pack the unit securely to

prevent damage during transit.
If possible, use the original
packing materials.

5.

Ship prepaid and insured

using a traceable carrier such as
United Parcel Service (UPS),
Federal Express, or first class
mail with delivery confirmation.
Ship to: 

Cobra

®

Factory Service,

Cobra Electronics Corporation,
6500 West Cortland Street, 
Chicago, IL 60707 USA
6.

Please allow 3-4 weeks

before contacting us about the
status of your service. Call
773-889-3087 for assistance.
If your unity is under
warranty, it will either be
repaired or replaced upon
receipt, depending on the
model. If your unit is out of
warranty, you will receive a
letter informing you of the
repair or replacement charge.

 


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8

POWER CONSUMPTION

For each piece of equipment
you will be powering with
your CPI 150, you must
determine the battery’s
capacity (how long the
battery can deliver a specific
amount of current). For
example, automotive 
batteries usually provide 
25 amperes of current. A
battery with a reserve
capacity of 180 minutes 
can deliver 25 amperes for
180 minutes before it is
completely discharged.

Calculate the total watt-hours
of energy consumption
(power X operating time),
then divide the watt-hours 
by 10 to determine how may
12 volt ampere hours will be
consumed.

10

 


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9

SPECIFICATIONS

11

Specifications

1.

Continuous output power 

150w

2.

Surge rating (0.1second)

300w

3.

Peak efficiency (12V—1/2 load)

90%

4.

Efficiency (full load, 12V)

>78%

5.

No load current draw

< 0.1 A (12.6V)

6.

Output waveform (resistive load)

Perfect modified 

sine wave

7.

Output frequency

60Hz ± 2Hz

8.

Output voltage

115V +/- 10%

9.

USB output

5V

10. Input voltage

12.8 - 13.2 VDC

12. Shutdown voltage (unload)

10.0V ±0.3V

13. Operating temperature range

-10° C + 40° C

14. Storage temperature range

-40° C to 85° C

15. Protection Overload, short-circuit, Overtemp

16. Reverse polarity, under/over voltage

NOTES:

All protection is automatically recovered. To protect the

battery, if the unit needs to be restarted after low voltage protection,
the voltage of DC input should be above 12V. 

 


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A2

Congratulations

Thank you for purchasing the CPI 150 BK/WH Power Inverter
from Cobra

®

. When used properly, your unit will give you many

years of reliable service. The operating features of your 
CPI 150 BK/WH include:

150 Watt

POWER INVERTER

MODEL 

CPI–

150 BK/WH

• USB 5V Output
• AC receptacle
• Automatic thermal 

protection/shutdown

• Reverse polarity protection
• Low battery shutdown

cigarette 
lighter 
plug

5V USB
Outlet

13V Input
Connector

20 Amp
Fuse

AC Receptacle

15 Amp
In-Line 
Fuse

Power Cord

 


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How Your Cobra

®

Power

Inverter Works

The Cobra

®

Power Inverter takes

low voltage DC (direct current)
power from your automobile or
other low voltage power supply
and converts it to standard 
110 volt AC (alternating
current) power like the
electrical current you have 
in your home. Simply by
plugging your CPI 150 into
your vehicle’s cigarette lighter
socket, you can use many of
your household appliances and
electronic products in
automobiles, airplanes, RVs,
boats, tractors, trucks, and
virtually anywhere else.

Customer Assistance

You can receive technical
assistance with your unit
through one of our customer
support services:

Automated Help Desk

is available 24 hours a day, 
7 days a week at 
773-889-3087.

Customer Service Operators

are available at 
773-889-3087 
Monday - Friday,
8:00 a.m. to 6:00 p.m.
Central Time.

Questions can be faxed

to 

773-622-2269.

Automated Technical 
Assistance

is available 24 hrs.,

7 days a week via e-mail at: 
productinfo@cobra.com.

On-line answers

to

frequently asked questions can
be found at: www.cobra.com 

For additional Customer Service
information, see page 8-9.

A3

 


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12

10

LIMITED 1-YEAR WARRANTY

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

Cobra Electronics Corporation warrants
that its Cobra

®

Power Inverter, and the

component parts thereof, will be free
of defects in material and workmanship
for a period of one (1) year from the
date of 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, a defective
inverter upon delivery to the Cobra

®

Factory Service Department,
accompanied by proof of the date of
first consumer purchase, such as
duplicated sales receipt.
You must pay 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 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, 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.

 


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Printed in China
Part No. 480-308-P

The Cobra

®

line of quality products includes:

CB Radios

microTALK

®

Radios

Radar/Laser Detectors

Safety Alert

®

Traffic Warning Systems

Handheld GPS Receivers

Mobile GPS Navigations Systems

HighGear

Accessories

CobraMarine™ VHF Marine Radios

CobraMarine™ Chartplotters

Accessories

For more information about 

our products, or to order online 

please visit our website:

www.cobra.com

Nothing Comes Close to a Cobra®

©

2006 Cobra Electronics Corporation

6500 West Cortland Street

Chicago, IL 60707 USA

 


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00

Nothing Comes Close to a Cobra

®

Operating Instructions for Your 

Cobra

®

150 Watt

POWER

INVERTER

M O D E L  

C P I –

1 5 0   B K / W H

 


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INTRODUCTION

For Best Results

Your CPI 150 BK/WH must 
be used properly in order to
provide the best possible
results. Please read all
instructions carefully before
using the unit. Pay special
attention to CAUTION and
WARNING statements in 
this manual. 

CAUTION

statements 

specify conditions that 
could cause damage to the
unit or other equipment. 

WARNING 

statements 

identify conditions that 
could result in personal 
injury or loss of life.

Cobra

®

150W 

Output Waveform

This unit’s output waveform
is referred to as ”square
wave“ or ”modified sine
wave“. It is a stepped
waveform designed to have
characteristics similar to the
sine wave shape of utility
power. A waveform of this
nature is suitable for most 
AC loads (including linear 
and switching power supplies
used in electronic equipment,
transformers and motors).

A1

CAUTION

WARNING