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©2008.

RadioShack

 Corporation.

All rights reserved. 

RadioShack

 and RadioShack.com are trademarks used by 

RadioShack

 Corporation.

09A08

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Printed in China

User’s Guide

13.8VDC 19A Power Supply

What’s Included

Power Supply
User’s Guide

Specifications

Input voltage .........................120V AC
Input frequency ..........................60 Hz
Output voltage ....................................

........................ 13.85V DC/±0.65 Volts

Output current................... 19 A (Max)
Line regulation............Less Than ±1%
Load regulation ..........Less Than ±5%
Overload protection Fuse, 6.3A/250V 
Output Ripple..................200m VRMS
Design .........................Switching Type

Operating temperature... 32° to 104°F 

...........................................(0° to 40°C)

Storage temperature ......–4° to 140°F 

....................................... (–20° to 60°C)

Input cable ................... 18 AWG x 3C, 

............................................SVT 6 Feet

Output terminal..............Binding Post 

..............................................10A/125V

Power switch .................... Illuminated,

........................................10A/250V AC

Dimensions (H×W×D).........................

.............................. 6.3 × 6.97 × 2.18 in
............................(160 × 177 × 55 mm)

Weight........................ 3.08 lbs (1.4 kg)

Specifications are subject to change 
and improvement without notice. Actual 
product may vary from the images found in 
this document. 

Thank you for purchasing your 13.8VDC 19A Power Supply from 

RadioShack. It converts standard 120V AC household power 

to 13.8V DC power and can supply up to 19 amps of continuous power. Please read this user’s guide before installing, setting 
up and using your new product. 

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Note: Make all other connections before you connect the 
power supply to standard AC power.

Your power supply’s overload 
protection circuit shuts down and 
recovers automatically when an 
overload condition is detected 
and removed. 

To avoid damage to the power 
supply and device:

Make sure your connections 

match the correct polarities 
(+ to + and – to –).

Do not let the ends of the 

positive and negative wires 
touch each other.

The binding posts’ wire 

holes can accommodate 
wire up to 18 gauge.

Overload Protection

Binding Output 
Posts

CAUTION

: TO REDUCE THE RISK OF ELECTRIC 

SHOCK, DO NOT REMOVE THE COVER OR 
BACK. NO USER-SERVICEABLE PARTS INSIDE. 
REFER SERVICING TO QUALIFIED PERSONNEL.

A

!

RISK OF ELECTRIC SHOCK

DO NOT OPEN

WARNING

: To reduce the risk of fire or shock hazard, 

do not expose this product to rain or moisture.

This lightning symbol is intended to alert 
you to the presence of uninsulated, 
dangerous voltage within this product’s 
enclosure that might be of sufficient 
magnitude to constitute a risk of electric 
shock. Do not open the product’s case.

The exclamation symbol is intended to 
inform you that important operating and 
maintenance instructions are included in 
the literature accompanying this product.

!

CAUTION

n

 Connect wires

1. Turn off the power supply and 

the device requiring power.

2. Turn the red and black binding 

output posts counterclockwise 
to expose the wire holes.

3. Insert the device’s positive 

wire (usually red) into the red 
binding post hole and the 
negative wire (usually black) 
into the black binding post 
hole. Tighten the binding posts 
to secure the wires in place.

o

 Connect to wall outlet

Connect to a standard 120V AC 
outlet.

p

Switch on the power supply

Press 

POWER

 to turn on the power 

supply.

If

POWER

 does not light:

Check your connections and 
confirm the AC outlet has 
power.

If the outlet has power, turn off 
the power supply and reduce 
the load (use a device that 
requires 13.8V DC or less).

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