Napa Essentials 85-303 User Manual
Model 85-303
Professional Battery
Charger and Starter
12 Volt
3 Amps
INSTRUCTION MANUAL
English ................................................. p. 1
Français ................................................. p. 13
Español ................................................. p. 29
00-99-000802/0407
IMPORTANT: READ AND SAVE THIS SAFETY AND INSTRUCTION MANUAL.
KEEP IT WITH OR NEAR THE CHARGER AT ALL TIMES.
NOTE: This device complies with Part 15 of the FCC Rules and Canadian Specica-
tion ICES-003. Operation is subject to the following two conditions: (1) this device
may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment on and off, the user is encouraged to
try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio technician for help.
1. IMPORTANT SAFETY INSTRUCTIONS
WARNING—RISK OF EXPLOSIVE GASES
1.1 WORKING IN THE VICINITY OF A LEAD-ACID BATTERY IS
DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES DURING
NORMAL BATTERY OPERATION, AND WHEN DISCHARGED OR
CHARGED. FOR THIS REASON, IT IS OF UTMOST IMPORTANCE
THAT BEFORE USING YOUR CHARGER, YOU READ THIS MANUAL
AND FOLLOW THE SAFETY AND OPERATING INSTRUCTIONS
EXACTLY.
1.2 To reduce risk of battery explosion, follow these safety instructions and
those published by the battery manufacturer and the manufacturer of any
equipment you intend to use in the vicinity of a battery. Review cautionary
markings on these products and on engine, and on vehicle or equipment
containing the battery.
1.3 CAUTION: To reduce the risk of injury, charge only rechargeable
LEAD-ACID-TYPE batteries which may include MAINTENANCEFREE, LOW-MAINTENANCE OR DEEP CYCLE batteries. Other types
of batteries may burst causing personal injury and damage.
If you are uncertain as to the type of battery you are attempting to charge,
or the correct procedure for checking the battery’s state of charge, contact
the seller or battery manufacturer.
1.4 Use of an attachment not recommended or sold by the battery charger
manufacturer may result in a risk of re, electric shock, or injury to
persons.
1.5 To reduce risk of damage to the electric plug and cord, pull by the plug
rather than the cord when disconnecting the charger.
• 1 •
1.6 Position the AC and DC leads to avoid tripping over them and to prevent
damage by the vehicle hood, doors, or moving engine parts; protect the
leads from heat, oil, and sharp edges.
1.7 Do not operate the charger if it has received a sharp blow, been dropped,
or otherwise damaged in any way; take it to a qualied service center.
1.8 Do not disassemble the charger; take it to a qualied service center when
repair is required. Incorrect reassembly may result in a risk of electric
shock or re.
The charger is not intended to supply power to a low-voltage electrical
system other than applications using rechargeable, lead-acid type
batteries. Do not use the battery charger to charge dry-cell batteries used
with home appliances. These batteries may burst and cause personal
injury or property damage.
1.9 NEVER charge a frozen battery. Thaw it out rst. Charging will then be
safer and more efcient.
1.10 To reduce risk of electric shock, unplug the charger from the AC outlet
before attempting any maintenance or cleaning. Turning off the controls
will not reduce this risk.
1.11 Boat batteries must be removed and charged on shore. To safely
charge them onboard requires equipment especially designed and
UL Listed for marine use.
1.12 Connect and disconnect the battery leads only when the AC supply cord is
disconnected.
1.13 Do not overcharge the battery.
1.14 When charging a battery, charge it in a dry, well-ventilated area.
1.15 Never place articles on or around the charger. Never locate the charger in
a way that will restrict the ow of cooling air through the cabinet.
1.16 An extension cord should not be used unless absolutely necessary. (See
paragraph 4.3.)
1.17 WARNING: THIS EQUIPMENT EMPLOYS PARTS, SUCH AS
SWITCHES AND CIRCUIT BREAKERS, THAT CAN PRODUCE ARCS
OR SPARKS. LOCATE THE CHARGER AT LEAST 46 CM (18 INCHES)
ABOVE GROUND LEVEL. IF USED IN A GARAGE, LOCATE IN A
ROOM OR ENCLOSURE PROVIDED FOR THE PURPOSE, AND NOT
LESS THAN 46 CM (18 INCHES) ABOVE FLOOR LEVEL.
1.18 WARNING: Handling the cord on this product or cords associated with
accessories sold with this product, may expose you to lead, a chemical
known to the State of California to cause cancer and birth defects or other
reproductive harm. Wash hands after handling.
1.19 Have a damaged cord or plug replaced immediately.
1.20 Do not expose the charger to rain or snow.
• 2 •
2. PERSONAL PRECAUTIONS
2.1 Always have someone within range of your voice or close enough to come
to your aid, when working around lead-acid batteries.
2.2 Have plenty of fresh water and soap nearby in case battery acid contacts
skin, clothing, or eyes.
2.3 Wear complete eye protection, clothing protection, and rubber soled
shoes. When the ground is very wet or covered with snow, wear rubber
boots. Avoid touching eyes while working near the battery.
2.4 If battery acid contacts skin or clothing, wash immediately with soap and
water. If acid enters the eyes, immediately ush with running cold water for
at least 10 minutes and seek medical attention.
2.5 NEVER smoke or allow a spark or ame in vicinity of the battery or
engine.
2.6 Be extra cautious to reduce risk of dropping a metal tool onto the battery.
It might spark or short circuit the battery or other electrical part that may
cause an explosion.
2.7 Before working with a lead acid battery, remove personal metal items
such as rings, bracelets, necklaces, watches, etc. A lead acid battery can
produce a short circuit current high enough to weld such items, causing a
severe burn.
3. PREPARING TO CHARGE BATTERY
3.1 If necessary to remove the battery from the vehicle to charge, always
remove the grounded terminal from battery rst. Make sure all accessories
in the vehicle are off to prevent a possible arc.
3.2 Be sure the area around the battery is well ventilated while the battery
is being charged. Gas can be forcefully blown away by using a piece of
cardboard or other nonmetallic material as a fan.
3.3 Clean the battery terminals. Be careful to keep corrosion from coming into
contact with your eyes.
3.4 Add distilled water in each cell until the battery electrolyte reaches the
level specied by manufacturer. This helps purge excessive gas from
cells. Do not overll. For a battery without caps, carefully follow the
manufacturer’s recharging instructions.
3.5 Study all battery manufacturer’s specic precautions, such as removing or
not removing cell caps while charging, and recommended rates of charge.
3.6 Determine voltage of the battery by referring to the vehicle owner’s
manual, and make sure that the output voltage selector switch is set at the
correct voltage. If the charger has an adjustable charge rate, charge the
battery initially at lowest rate. If the charger has only one voltage, verify
that the battery voltage matches the voltage of charger. For a charger
• 3 •
not having an output voltage selector switch, determine the voltage of
(D)
(A)
(C)
(B)
the battery by referring to the vehicle owner’s manual and make sure it
matches the output rating of the battery charger.
4. AC POWER CORD CONNECTION INSTRUCTIONS
4.1 The charger must be grounded to reduce the risk of electric shock. The
charger is equipped with an electric cord having an equipment grounding
conductor and a grounding plug. The plug must be plugged into an outlet
that is properly installed and grounded in accordance with all local codes
and ordinances.
DANGER: NEVER ALTER CHARGER’S ORIGINAL AC CORD OR
PLUG. IF THE PLUG DOES NOT FIT OUTLET, HAVE PROPER
OUTLET INSTALLED BY A QUALIFIED ELECTRICIAN. IMPROPER
CONNECTION CAN RESULT IN THE RISK OF AN ELECTRIC SHOCK.
DISCONNECT THE PLUG FROM OUTLET WHEN CHARGER IS IDLE.
4.2 This battery charger is for use on a nominal 120-volt circuit and has a
grounding plug that looks like the plug illustrated in Figure A. A temporary
adapter, which looks like the adapter illustrated in Figures B and C, may be
used to connect this plug to a two-pole receptacle as shown in Figure B, if
a properly grounded outlet is not available. The temporary adapter should
be used only until properly grounded outlet can be installed by a qualied
electrician.
DANGER: BEFORE USING AN ADAPTER AS ILLUSTRATED, BE
CERTAIN THAT THE CENTER SCREW OF THE OUTLET PLATE
IS GROUNDED (D). THE GREEN-COLORED RIGID EAR OR LUG
EXTENDING FROM ADAPTER MUST BE CONNECTED TO A
PROPERLY GROUNDED OUTLET. MAKE CERTAIN IT IS GROUNDED.
IF NECESSARY, REPLACE THE ORIGINAL OUTLET COVER PLATE
SCREW WITH A LONGER SCREW THAT WILL SECURE THE
ADAPTER EAR OR LUG TO THE COVER PLATE AND MAKE THE
GROUND CONNECTION TO THE GROUNDED OUTLET.
• 4 •
4.3 An extension cord should not be used unless absolutely necessary. Use of
an improper extension cord could result in a risk of re and electric shock.
If an extension cord must be used, make sure:
a. That the pins on the plug of extension cord are the same number, size,
and shape as those of the plug on charger;
b. That the extension cord is properly wired and in good electrical
condition;
c. That the wire size is large enough for AC ampere rating of the charger
as specied in the following table.
Recommended minimum AWG size for extension cords
for battery chargers
AC Input rating, Amps AWG size of cord
Length of cord, feet (m)
Equal to or
greater than
But less than
25 50 100 150
(7.6) (15.2) (30.5) (45.6)
0 2 18 18 16 16
2 4 18 16 12 10
4 6 16 14 10 8
6 8 16 12 10 8
8 10 14 12 8 6
10 12 14 12 8 6
12 14 14 10 8 6
5. CHARGER LOCATION
5.1 Locate the charger as far away from the battery as the charger cables
permit.
5.2 Never place the charger directly above the battery being charged; gases
from the battery will corrode and damage charger.
5.3 Never allow the electrolyte to drip on the charger when taking gravity
readings or lling a battery.
5.4 Operate the charger only in well ventilated area, free of dangerous vapors.
5.5 Store the charger in a safe, dry location and maintain it in perfect
condition.
5.6 Do not set the battery on top of charger or where acid might drip onto
charger.
• 5 •
6. DC CONNECTION PRECAUTIONS
6.1 All switches should be set in OFF (O) position and the AC cord should be
disconnected from the electrical outlet before you connect and disconnect
the charger clamps. Never allow the clamps to touch each other.
6.2 Attach clamps to battery posts and twist or rock back and forth several
times to make a good connection. This will tend to prevent the clamps
from slipping off terminals, avoid dangerous sparking, and assure safer
and more efcient charging. Keep the clamps clean.
CAUTION: SETTING SWITCHES TO OFF (O) DOES NOT ALWAYS
DISCONNECT THE CHARGER ELECTRICAL CIRCUIT FROM THE AC
POWER CORD OR DC CHARGER CLAMPS.
7. CHARGING BATTERY IN VEHICLE OR EQUIPMENT, OR CONNECTED
TO ENGINE
7.1 Before working on the vehicle, rmly apply the emergency brake and place
the gearshift to NEUTRAL. Shift an automatic transmission to PARK.
7.2 Locate the charger as far away from the battery as the charger cords
permit, and position the AC and DC cords to avoid stepping on or tripping
over them and to prevent damage by hood, doors, or moving engine parts.
7.3 Stay clear of fan blades, belts, pulleys, and any other parts that can cause
physical injury.
7.4 Turn OFF all vehicle loads, including door lights, and correct any defects
in vehicle’s electrical system that may have caused low battery.
7.5 Check the polarity of battery posts. The POSITIVE (POS., P, +) post
usually has larger diameter than NEGATIVE (NEG., N,–) post.
7.6 Determine which post of the battery is grounded (connected) to the
chassis. If the negative post is grounded (as in most vehicles), see
paragraph 7.7. If the positive post is grounded, see paragraph 7.8.
7.7 For a negative-grounded vehicle, rst connect the POSITIVE (red)
clamp from the charger to the POSITIVE (POS., P, +) ungrounded post
of battery. Then connect the NEGATIVE (BLACK) clamp to vehicle
chassis or engine block away from battery. Do not connect the clamp to
the carburetor, fuel lines, or sheet-metal body parts. Connect to a heavygauge metal part of the frame or engine block. When disconnecting the
charger, turn the switch to OFF (O), disconnect the AC cord, remove the
clamp from the vehicle chassis, and then remove the clamp from the
battery terminal.
7.8 For a positive-grounded vehicle, connect the NEGATIVE (BLACK) clamp
from the charger to the NEGATIVE (NEG., N, –) ungrounded post of the
battery. Then connect the POSITIVE (RED) clamp to the vehicle chassis
or engine block away from the battery. Do not connect the clamp to the
carburetor, fuel lines, or sheet-metal body parts. Connect to a heavygauge metal part of the frame or engine block.
• 6 •
When disconnecting the charger, turn the switch to OFF (O), disconnect
the AC cord, remove the clamp from the vehicle chassis, and then remove
the clamp from the battery terminal.
CAUTION: WHEN THE POSITIVE (+) POST OF THE VEHICLE
BATTERY IS GROUNDED, DOUBLE-CHECK POLARITY.
8. CHARGING BATTERY OUTSIDE VEHICLE OR EQUIPMENT–NOT
CONNECTED TO ENGINE
If necessary to remove the battery from the vehicle or equipment, always
remove the grounded terminal from the battery rst.
WARNING: MAKE SURE ALL VEHICLE LOADS ARE OFF TO PREVENT
A POSSIBLE ARC.
FOLLOW THESE STEPS WHEN THE BATTERY IS OUTSIDE THE
VEHICLE. A SPARK NEAR BATTERY MAY CAUSE AN EXPLOSION. TO
REDUCE RISK:
8.1 Check the polarity of the battery posts. The POSITIVE (POS., P, +) post
usually has a larger diameter than the NEGATIVE (NEG., N, –) post.
8.2 Attach an insulated battery cable that is at least a 24-inch, 6-gauge to the
NEGATIVE (NEG., N, –) battery post.
8.3 Connect the POSITIVE (RED) charger clamp to the POSITIVE (POS.,
P, +) post of the battery.
8.4 Position yourself and the free end of cable as far away from the battery as
possible. Do not face the battery when making the nal connection. Then
connect the NEGATIVE (BLACK) charger clamp to the free end of the
cable.
8.5 When disconnecting the charger, always do so in the reverse sequence of
the connecting procedure. Break the rst connection while staying as far
away from the battery as practical.
8.6. A marine (boat) battery must be removed and charged on shore. To
charge it on board requires equipment specially designed for marine use.
• 7 •
9. ELECTRICAL CONDITION OF BATTERY
9.1 The state of charge of rellable-top batteries can be checked by using
a hydrometer. A hydrometer is a bulb-type syringe which is used to
extract a small quantity of the electrolyte from each battery cell. Types
are calibrated in terms of specic gravity (a common scale being 1.120
to 1.265) or the type which uses four colored balls to indicate the state of
charge. A oat in the hydrometer barrel indicates the specic gravity of
the electrolyte. This specic gravity reading indicates the battery’s state of
charge at a given temperature, as shown in the table below:
State of Charge of
Battery at 80°F (27°C)
100% 1.280 1.265 1.225 4
75% 1.240 1.225 1.185 3
50% 1.200 1.190 1.150 2
25% 1.170 1.155 1.115 1
Discharged 1.140 1.120 1.080 *
**Initialspecicgravityreadingsvary,dependingonbatterytypeand
manufacturer.Contactthesellerormanufacturerofthebatteryforthis
specication.
*Noballsoatinthebarrelofthehydrometer.
1.280 1.265 1.225 Floating Balls
** Initial Specic Gravity Reading
9.2 The state of charge of sealed-top (maintenance-free and recombinationtype) batteries must be checked with a high resolution voltage tester.
9.3 If uncertain about type of battery you will be charging, or the correct
procedure for checking the battery’s state of charge, contact the seller or
manufacturer of the battery.
9.4 The temperature of the battery and the equipment the battery is used
with has a dramatic effect on battery efciency and system power
requirements. For example, at 0°F (–18°C ), a battery is operating at 40%
of its rated efciency, while the engine it is attempting to start requires
over twice as much power as would be necessary at 80°F (27°C).
• 8 •
10. BATTERY CHARGING
10.1 This charger adjusts the charging time in order to charge the battery
completely, efciently and safely. However, this section includes
guidelines that can be used to estimate charging times.
10.2 The amount of time required to fully charge a weak battery is dependant
on a number of factors. In addition to the degree of discharge, these
factors include the type and rated capacity, temperature, age of the
battery, and amperage rating of the charger. At 70°F (22°C) the average
discharged battery will be recharged as follows.
Battery Charging Chart - Time
Battery Size - Amp Hours
(Ah) Reserve Capacity RC)
Motorcycle/
Garden Tractor
Small - (12-22 Ah) 2 hrs NR NR NR NR NR
2-4
amp
Time to Charge Battery - Shown in Hours (hrs)
Charging Rate - Amps
6-10
amp
15
amp
20
amp
40
amp
60
amp
Large - (22-35 Ah) 5
Automotive/Truck
(Groups 24, 27, 31, etc.)
Small -
(70-100 RC)
Medium -
(100-130 RC)
Large -
(130-160 RC)
Heavy Duty -
(160-190 RC)
Charging Times are based on a 50% discharged battery - approx
•
hrs
7.5
hrs
hrs
hrs
hrs
9
12
15
3.1
hrs
3.75
hrs
4.5
hrs
6
hrs
7.5
hrs
2.3
hrs
2
hrs
2.4
hrs
3.2
hrs
4
hrs
1.75
hrs
1.5
hrs
1.8
hrs
2.4
hrs
3
hrs
0.875
hrs
0.75
hrs
0.9
hrs
1.2
hrs
1.5
hrs
0.6
hrs
0.5
hrs
0.6
hrs
0.8
hrs
1
hrs
12-12.2 volts.
NR = Not Recommended.
•
Charging times will vary with battery type and condition.
•
10.3 Battery State – If a battery has only been slightly discharged, it can be
charged in less than a few hours. The same battery could take up to 10
hours if very weak. The battery state can be estimated by using the built-in
tester. The lower the reading the longer charging will take.
10.4. Battery rating – A higher rated battery will take longer to charge than
a lower rated battery under the same conditions. A battery is rated in
ampere-hours (AH), reserve capacity (RC) and cold cranking amps (CCA).
The lower the rating the quicker the battery will be charged.
• 9 •
10.5 CAUTION - Do not leave Manual chargers unattended.
10.6 CAUTION: If at any time the battery gets hot (above 125°F (52°C)) or acid
comes out of vent caps, STOP charging.
10.7 To maximize battery life - Let automatic chargers complete charging.
11. MULTIPLE BATTERY CHARGING
Batteries of the same voltage may be connected in parallel for
maintenance charging. Charge time increases in proportion to the number
of batteries. Rate of charge decreases in the same proportion.
Example: Charging 2 batteries in parallel will take 2 times longer; each
battery receives 1/2 the amount of charge showing on the ammeter. Thus,
if the ammeter shows a 30-amp charge, each battery will get a 15-amp
charge (when batteries have the same rating, same state of charge, etc.).
12. CHARGER FEATURES AND CONTROLS
12.1 The 85-303 does not have an ON/OFF switch. The On and Off commands
are controlled by plugging the 85-303 into a 120V AC electrical wall outlet
only after battery connections have been made.
LED Indicators
Charging Charged Check Battery*
*Indicates an overload condition caused by shorting of the battery clamps,
reverse polarity (hookup) connection to a battery, or charging a problem
battery.
• 10 •
12.2 Versatile Quick-Disconnect Harness
Snap any of the three connectors into place in seconds:
12.3 Battery Clamps
Connect the clamps to the charger. Refer to sections 7 and 8 to connect
the output clamps to the battery. After a solid electrical connection is
made to the battery, plug the power cord into a 120V AC electrical wall
outlet.
12.4 12V Accessory Plug
Charge or maintain your battery without lifting the hood. Connect the 12V
adapter to the charger and plug into the 12V accessory outlet. Route the
power cord from charger through the vehicle’s open window and plug into
a 120V AC electrical wall outlet. Make sure to place charger on a dry, nonammable surface, like metal or concrete.
12.5 Ring Connectors
The ring connectors permanently attach to the battery providing easy
access to quickly charge your battery. This application is appropriate for
motorcycles, lawn tractors, ATVs and snowmobiles. To permanently attach
to a battery, loosen and remove each nut from bolts at battery terminal.
Connect the red POSITIVE ring connector ring to the POSITIVE battery
terminal. Connect the black NEGATIVE connector ring to the NEGATIVE
battery terminal. Replace and tighten the nuts to secure. Take care to
keep both wires and plug away from metal and the engine hood. Plug the
power cord into a 120V AC electrical wall outlet.
13. MAINTENANCE INSTRUCTIONS
The charger is designed and built with high quality materials requiring only
a minimum amount of care.
13.1 Clamps should be cleaned each time the charger is used to prevent
corrosion from battery uid.
13.2 Cords should be coiled when the charger is not being used to prevent
damage.
13.3 Other servicing should be performed by qualied service personnel.
• 11 •
14. LIMITED WARRANTY
SCHUMACHER ELECTRIC CORPORATION, WARRANTS
EXCLUSIVELY TO THE ORIGINAL PURCHASER THAT THIS
CHARGER WILL BE REPAIRED OR REPLACED IF IT FAILS DURING
ITS LIMITED WARRANTY PERIOD OF TWO YEARS FROM DATE OF
RECEIPT DUE TO DEFECTS IN MATERIAL OR WORKMANSHIP. A
DATED SALES RECEIPT OR PROOF OF PURCHASE IS REQUIRED
FOR ALL CLAIMS.
This warranty does not cover failures arising out of improper use, abuse,
maintenance or operation of the product. This warranty does not cover
chargers that are opened or tampered with in any way.
Repair or replacement as provided under this warranty is the exclusive
remedy of the consumer. Schumacher Electric shall not be liable for any
incidental or consequential damages for breach of any express or implied
warranty on this product. Except to the extent provided by applicable law,
any implied warranty of merchantability or tness for a particular purpose
on this product is limited in duration to the warranty period.
Some states do not allow the exclusion or limitation of incidental or
consequential damages, or allow limitation on how long as implied
warranty lasts, so the above limitations or exclusions may not apply to
you. This limited warranty gives you specic legal rights, and you may also
have other rights, which vary from state to state.
CUSTOMER SERVICE
For customer service (Monday through Friday), call:
1-888-263-4906, 7 a.m. to 4:30 p.m. (Central Time)
Return all products for warranty to your local NAPA Auto Parts Store.
• 12 •
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