OWNER’S
MANUAL
Model No.
200.71211
10/2/50 AMP
MANUAL
BATTERY CHARGER
ENGINE STARTER
CAUTION:
Read and Follow All Safety
Rules and Operating Instructions
Before Every Use of this Product.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
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Important Safety Instructions
– SAVE THESE INSTRUCTIONS –
w
To reduce the risk of explosion, explosive gases, or injury while
using your battery charger, follow the precautions listed below:
L! WARNING
• Read all instructions and cautions printed on the
battery charger, battery, and vehicle or equipment
using battery.
• Do not disassemble charger. Take it to a qualified
service professional if service or repair is required.
Incorrect assembly may result in fire or electrical
shock.
• Use charger only on lead-acid type rechargeable
batteries, such as those used in cars, trucks, trac-
tors, airplanes, vans, RV’s, trolling motors, etc.
This charger is not intended to supply power to
a low voltage electrical system other than in an
automotive application.
• To reduce risk of electrical shock, unplug the
charger from the outlet before attempting any
maintenance or cleaning.
• Always charge battery in a well ventilated area.
• Use only attachments recommended or sold by
manufacturer. The use of attachments not recom-
mended by the manufacturer may result in fire,
electric shock, or injury.
Help us help you
Remember:
• Place charger as far away from battery being
charged as the charger cables will permit.
• Never touch the battery clamps together when the
charger is energized.
• Do not expose charger to rain or snow.
• Never operate charger if it has received a hard
blow, been dropped, or otherwise damaged. Take it
to a qualified professional for inspection and repair.
• Be sure to position the charger power cord to
prevent it from being stepped on, tripped over, or
damaged.
• Never charge a frozen battery. If battery fluid (elec-
trolyte) becomes frozen, bring battery into a warm
area to thaw before you begin charging.
• Never allow battery acid to drip on charger when
reading specific gravity or filling battery.
• Never pull out the plug by the cord when unplugging
the charger. Pulling on the cord may cause damage
to the cord or the plug.
• Do not operate the charger if it has a damaged
power cord or plug. Have the cord replaced.
• Never set a battery on top of the charger.
• Never place charger directly above battery being
charged. The gases from the battery will corrode
and damage the charger.
• Never use charger for charging dry-cell batteries that
are commonly used with home appliances. These
batteries may burst and cause personal injury.
Personal Safety Precautions
For your own personal safety, please follow the
following precautions:
• Wear complete eye and clothing protection when
• Remove all personal metal items from your body,
such as rings, bracelets, necklaces, and watches
while working with a lead-acid battery. A battery can
produce a short circuit current high enough to weld
a ring (or the like) to metal, causing a severe burn.
• Take care not to drop any metal tool or metal object
onto the battery. This may spark or short circuit the
battery or another electrical device that may cause
an explosion.
working with lead-acid batteries.
• Be sure that someone is within range of your voice
to come to your aid if needed while you work with or
are near a lead-acid battery.
• Have plenty of fresh water and soap nearby for
use in case battery acid contacts your eyes, skin, or
cloth-ing. If this happens, wash immediately with
soap and water. Then get medical attention.
• Always operate your battery charger in an open,
well ventilated area.
• Never smoke or allow a spark or flame in the
vicinity of the battery or engine. Batteries generate
explosive gases.
• Neutralize any acid spills thoroughly with baking
soda before attempting to clean up.
• Avoid touching your eyes while working with a
battery. Acid particles (corrosion) may get into your
eyes. If this occurs, flush eyes immediately with
running cold water for at least 10 minutes. Then
immediately get medical attention.
2
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Parts
This section shows an illustration of your battery charger. Use it to become familiar with where all the parts are
located, and what they look like.
Replacement Parts List Sears 71211
Item Description
Part Number
3799001402
2299000846
3799001382
90026055
1
2
3
4
5
6
7
8
Cover
Heatsink/DiodeAssembly
Base
ACPowerCord
Transformer
93026312
OutputCable
CircuitBreaker(20A)
50A Clamp (1)
SleevingRed(2)required
Sleeving Black (2) required
Meter
3899000515
3999000072
2299000248
0399000007
0399000008
5399100092
0499000031
3799001392
0899000532
3599000240
5181806256
9
10
11
12
13
14
15
Switch SPDT
FrontPanel
Decal
Handle
Screw 8-18 x 3/8" (4)
Owner's Manual and Parts List (Not Shown) 0000000510
Wiring diagram
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Before Using Your Battery Charger
It is important to understand your charger's requirements. This section will tell you about your charger's
electrical requirements and how to prepare a battery for charging.
Plugging it in
L! WARNING
Electrical Shock Hazard
Be sure that power cord fits properly into outlet.
If not, have a qualified technician install a proper
outlet. Never alter the AC cord or plug provided.
Improper connection can result in electrical shock.
Your charger should be grounded to reduce the
risk of electrical shock.
Your charger is equipped with an electrical cord that
has an equipment grounding conductor and a ground-
ing plug designed to be used on a 120 volt circuit. The
plug must be plugged into an outlet that has been
properly installed and grounded in accordance with all
local codes and ordinances.
A TEMPORARY adapter may be used to connect the
charger to a two-pole outlet if a properly grounded
outlet is not available. Use the adapter ONLY until a
properly grounded outlet can be installed by a qualified
electrician.
DANGER: Before using an adapter as illustrated, be
certain that the center screw of the outlet plate is
grounded. The green colored grounding clip of the
adapter must be attached by a screw to a properly
grounded outlet. If unsure whether outlet is properly
grounded, contact a professional electrician. If neces-
sary, replace the original outlet cover screw with a
longer one that will secure the grounding clip to the
outlet cover and make a ground connection to the
grounded outlet.
Using an extension cord
• Make sure that the wire size is large enough for its
length and for the AC ampere rating as specified in
the accompanying chart.
The use of an extension cord is not recommended. If
you must use an extension cord, please make sure
that you follow these guidelines:
•Make sure that the pins on charger's power cord fit
firmly into the extension cord, and that the extension
cord fits firmly into the receptacle.
• Use only 3-conductor (grounded) extension cord
when necessary.
MINIMUM RECOMMENDED EXTENSION CORD
Length of Cord, in Feet 25
50
18
100
16
150
14
AWG* Size of Cord
18
• Check that the extension cord is properly wired and
in good electrical condition.
*AWG=American Wire Gauge
4
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Preparing your battery to be charged
It is important that you read and follow these guide-
lines while you are preparing to charge your battery.
• Make sure that you have a 12 volt lead-acid battery.
•Clean the battery terminals. Be careful to keep
corrosion from getting in or around your eyes.
• If you have a battery with removable cell caps, if
required, add distilled water to each cell until the
battery acid reaches the level recommended by the
manufacturer. This will help purge excessive gases
from the cells. Be careful not to overfill. If you have a
sealed battery without cell caps, no action is neces-
sary. Continue to the next step listed below.
• Take time to read all battery manufacturer’s specific
precautions, such as removing or not removing
cell caps while charging, and recommended rates
of charge.
• Wear safety glasses. See additional "Personal Safety
Precautions" on page 2.
• Be sure that the area around the battery is well
ventilated while it is being charged. If ventilation is
poor, gas can be manually blown away by using a
piece of cardboard or other non-metallic material as
a fan.
• If it is necessary to remove the battery from the
vehicle to charge it, always remove the grounded
terminal from the battery first. A spark may be
caused if all accessories in the vehicle are not
completely turned off.
NOTE: A marine battery installed in a boat must be
removed and charged on shore.
5
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Using Your Battery Charger
For best results from your battery charger, learn to use it properly. This section tells how to set the controls and how
to charge a battery in or out of the vehicle.
Setting the Controls
SELECTOR SWITCHES:
A 3-way switch is used to select the 2-AMP or the
10-AMP charge rate or the ENGINE START feature.
AMMETER:
L
10 AMP
L
2 AMP
L
ENGINE
START
The AMMETER indicates the measured amount of
amperes being drawn by the battery. When you first
start charging a battery, the reading will be high, with
the needle near 10 using the 10 amp charging rate.
As the battery charges, the needle will fall to about
4 or 5 amps, indicating a charged battery.
At the 2 amp charging rate you will see little needle
movement.
When using the ENGINE START feature, the needle will
swing into the Start (red) area of the scale while cranking
the engine.
START
The percent of charge scale is intended as a visual aid to
help simplify reading the state of charge of the battery.
The meter is scaled for use with the 10 amp charge rate
only. For the 2 amp charge rate use the red triangle. The
percent of charge is based on current drawn by the
battery. For this reason accuracy will vary with the size
and battery type.
Charging Your Battery
Charging a battery in the vehicle:
1. Arrange the power cord and charging leads carefully
to avoid damage that could be caused by the hood,
door, or moving engine parts.
2. Keep clear of fan blades, belts, pulleys, and other
parts that can cause injury.
3. Check the polarity of the battery posts as indicated
on the battery case: POSITIVE (POS, P, or +) and
NEGATIVE (NEG. N or -). NOTE: The positive post
on top-post batteries is usually larger than the
negative post.
4. Identify which battery post is ground or connected
to the chassis. THE NEGATIVE POST IS
NORMALLY THE ONE THAT IS GROUNDED.
5. To charge a negative grounded post system:
Connect the red (POSITIVE) battery charger clamp
to the ungrounded POSITIVE (POS, P, +) post of
the battery. Then connect the black (NEGATIVE)
clamp to a heavy, unpainted metal part of the
chassis or engine block, away from the battery. Do
not connect clamp to carburetor, fuel lines, or sheet
metal parts.
NEGATIVE GROUNDED SYSTEM
post of the battery. Then connect the red
(POSITIVE) clamp to a heavy, unpainted metal part
of the chassis or engine block. Do not connect
clamp to carburetor, fuel lines, or sheet metal parts.
IMPORTANT: Wear safety glasses and face away
from the battery while making connections.
To charge a positive grounded post system:
Connect the black (NEGATIVE) battery charger
clamp to the NEGATIVE (NEG, N, -) ungrounded
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6. Connect the clamp to the battery post and twist or
rock back and forth to make a solid connection.
This will help keep the clamps from slipping off the
posts and causing sparks.
7. Select the charge rate with the Selector Switch then
plug the power cord into a grounded AC outlet to
begin charging.
8. The charger will not stop when the battery is fully
charged. For this reason it is important to check
charging progress frequently. Overcharging can
damage a battery, you must monitor and unplug
charger when battery is fully charged.
9. When the battery is fully charged, the AMMETER
pointer will fall to about half the charge rate
selected. For specific positions, refer to the
“Ammeter” section in “Using your battery charger”
on a page 6.
10. When the battery is fully charged, unplug the
charger power cord before attempting to disconnect
charger clamps.
11. Standing away from the battery, remove the charger
clamps in this order: (1) from the chassis
connection and, (2) from the battery post or terminal.
12. Clean and store the battery charger in a dry location.
Charging your battery outside the vehicle:
NEGATIVE
POSITIVE
1. Remove the battery from vehicle, making sure to
disconnect grounded terminal first with all
accessories and lights turned off in the vehicle.
2. Check the polarity of the battery posts as indicated
on the battery case: POSITIVE (POS, P, +) and
NEGATIVE (NEG, N, -).
RGER
BATTER
NOTE: On top-post batteries, the positive battery
terminal usually has a larger diameter than the
negative one.
POWER
CORD
3. Connect the red (POSITIVE) charger clamp to the
POSITIVE post of the battery. Be sure to rock the
clip back and forth to make a solid connection.
4. Attach a 6-gauge (AWG) or a 4-gauge (SAE)
insulated battery cable of at least 24-inches in
length to the NEGATIVE battery post. This cable
will provide a safer connection because arcing and
sparking will occur away from the battery. (The
battery cable is not provided with the charger, but
may be purchased at most automotive accessory
outlets.)
5. Take the other end of the 6-gauge (AWG) or a
4-gauge (SAE) insulated 24-inch cable and,
standing as far away from the battery as possible,
connect the black (NEGATIVE) lead of the charger
to the free end of the cable. Rock the clamp to
make a solid connection.
TO
GROUNDED
POWER
OUTLET
7. The charger will not stop when the battery is fully
charged. For this reason it is important to check
charging progress frequently. Overcharging can
damage a battery, you must monitor and unplug
charger when battery is fully charged.
8. When the battery is fully charged, the AMMETER
pointer will fall to about half the charge rate
selected. For specific positions, refer to the
“Ammeter” section in “Using your battery charger”
on page 6.
9. When the battery is fully charged, unplug the
charger power cord before attempting to
disconnect charger clamps.
IMPORTANT: Wear safety glasses and face away
from the battery while making this final connection.
6. Select the rate of charge with the Selector Switch
and plug the power cord into a grounded AC outlet
to begin charging.
10. Stand away from the battery and remove the
charger leads from the NEGATIVE connection first,
then from the POSITIVE battery post or terminal.
11. Clean and store the battery charger in a dry location.
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Calculating charge time
The Chart Method
Use the following table to more accurately determine
the time it will take to bring a battery to full charge.
First, identify where your battery fits into the chart.
•
•
Marine, or deep-cycle batteries are usually rated in
Reserve Capacity (RC).
NR means that the charger setting is NOT
RECOMMENED.
•
Small batteries — motorcycles, garden tractors, etc.
— are usually rated in Ampere Hours (AH). For
example; 6 to 12 AH, or 12 to 32 AH.
Find your battery’s rating on the chart below and note
the charge time given for each charger setting.
The times given are for batteries with a 50-percent
charge prior to recharging. Add more time for se-
verely discharged batteries.
•
Batteries in cars and smaller trucks are usually
rated in Reserve Capacity (RC), Cold-Cranking
Amps (CCA), or both.
CHARGE RATE/CHARGING TIME - HOURS
BATTERYSIZE/RATING
2 AMP
2 - 4
4 - 10
11 - 14
14 -18
18 - 35
18
10 AMP
NR
Motorcycle, garden
tractor, etc.
6 - 12 AH
12 - 32 AH
40 - 60 RC
60 - 85 RC
85 -190 RC
80 RC
SMALL
BATTERIES
NR
2 - 27/8
27/8 - 33/4
33/4 - 7
31/2
200 - 315 CCA
315 - 550 CCA
550 - 1000 CCA
CAR/TRUCKS
MARINE/DEEPCYCLE
140 RC
27
51/2
160 RC
30
6
180 RC
33
7
The Hydrometer or Electronic
Method
To find the time needed to fully charge your battery,
determine the battery’s charge level with a hydrometer
or electronic Percent-of-Charge Tester. The following
table will help you convert hydrometer readings to
percent of charge values.
To calculate time needed for a charge:
•
•
•
•
Find the percent of charge needed. (A battery at
50 percent charge that will be charged to 100
percent needs another 50 percent (.50).
Multiply the Amp Hour rating by the charge
needed (.50) and divide by the charger setting
(2 or 10 amps).
Multiply the result by 1.25 and you’ll have the
approximate time needed, in hours, to bring the
battery to full charge.
SPECIFIC
GRAVITY
PERCENT
OF CHARGE
PERCENT OF
CHARGE NEEDED
Add one additional hour for a deep-cycle battery.
1.265
1.225
1.155
1.120
100%
75%
25%
0%
0%
25%
75%
100%
Example:
Amp Hour Rating x charge needed x 1.25 = hours
Charger Setting
of
charge
100 (AH Rating) x .50 (charge needed) x 1.25 = 6.25
When you know the percent of charge and the Amp
Hour (AH) rating of your battery, you can calculate
the approximate time needed to bring your battery to a
full charge.
10 (Charger Setting)
hours
100 x .50 = 5 x 1.25 = 6.25
10
To convert Reserve Capacity to Amp Hours, divide
Reserve Capacity by 2, and add 16:
You would need to charge your 100-Ampere Hour Bat-
tery for approximately 6¼ hours at the 10-Amp charge
rate using the above example.
Amp Hours = Reserve Capacity + 16
2
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Using the engine start feature
Your battery charger can be used to jump start your
car if the battery is low. Follow these instructions on
how to use the ENGINE START feature.
1. Connect the charger to the battery. (Follow con-
necting instructions given in "Charging Your
Battery" on page 6.)
2. Set the Selector Switch on ENGINE START.
3. Crank the engine for no more than 7 seconds.
If it does not start, wait at least 4 minutes before
cranking again. In extreme cold or if the battery is
severely discharged, charge the battery for about 5
minutes in the 10 amp postion, before cranking the
engine.
4. After the engine starts, unplug the charger power
cord from the AC outlet. Then disconnect the
charger from the battery.
IMPORTANT: Do not try to start the engine without a
battery in it. You could cause damage to the electrical
system.
If the engine does turn over, but never starts up, there
is not a problem with the starting system, there is a
problem somewhere else in the engine. STOP crank-
ing the engine until the other problem has been
identified and corrected.
Maintenance and care
A minimal amount of care can keep your battery
charger working properly for years.
1. Clean the clamps each time you are finished
charging. Wipe off any battery fluid that may have
come in contact with the clamps to prevent
corrosion.
2. Coil the input and output cords neatly when storing
the charger. This will help prevent accidental
damage to the cords and charger.
3. Occasional cleaning of the case of the charger
with a soft cloth will keep the finish shiny and help
prevent corrosion.
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Troubleshooting
Performance problems often result from little things that you can fix yourself. Please read through this chart for a
possible solution if a problem occurs.
PROBLEM
POSSIBLE CAUSE
SOLUTION/REASONS
No ammeter reading.
Clamps not making good
connection.
Check for poor connection at battery. Make sure clamps
and posts are clean.
Ammeter needle will indicate little activity at the 2-amp
charge rate.
2-amp charge rate.
No AC power reaching
charger.
Check AC outlet and extension cords for loose fitting plug.
Check for open fuse or circuit breaker supplying AC outlet.
Shorted battery clamps.
Circuit breaker in
charger cycles on
and off with a clicking
sound.
Separate the clamps. Circuit breaker cycles when current
draw is too high.
Check for worn cables and replace if needed.
Shorted battery.
Have a Sears technician test the battery.
Correct connections.
Charger leads reversed
on battery.
Ammeter reads less
than selected charge
rate when charging.
Extension cord too long or Use shorter or heavier extension cord.
gauge to small.
Sulfated battery will eventually take a normal charge if left
Battery has weak cell or
sulfated plate.
connected. If the battery will not take a charge, have it
tested by a Sears technician.
Continue charging battery.
Battery is partially
charged.
Continue charging. Buzz is not abnormal.
Transformer laminations
vibrate (buzz).
Charger makes a
loud buzz or hum.
Shorted diode (hum).
Have charger tested by qualified technician.
Drawing more than 50
amps for a period equal to the charger. If cranking draws more than 50 amps, crank
or less than 7 seconds.
time may be less than 7 seconds.
Crank time varies with the amount of current drawn from
Short start cycle
when cranking
engine.
Failure to wait for 4 minutes Wait 4 minutes before next crank.
(240) seconds) between
cranks.
If the above solutions do not eliminate the problem...
call toll-free from anywhere in the U.S.A.
1-800-SEARS-64
(1-800-732-7764)
7 AM to 4:30 PM CST Monday through Friday
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10/2/50 AMP
MANUAL
BATTERY CHARGER
ENGINE STARTER
OWNER’S
MANUAL
Model No.
200.71211
For information about troubleshooting
Call toll-free from anywhere in the U.S.A.
7 am to 4:30 pm CST Monday through Friday
1-800-SEARS-64
(1-800-732-7764)
For the repair or replacement
parts you need
Call 7 am - 7 pm, 7 days a week
1-800-366-PART
(1-800-366-7278)
For the location of a Sears Repair
Service Center in your area
Call 24 hours a day,
7 days a week
1-800-488-1222
When requesting service or
ordering parts, always provide
the following information:
•
•
•
•
Product Type
Model Number
Part Number
REPAIR SERVICES
America's Repair Specialists
Part Description
0000000510-496
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