Schumacher Battery Charger SE 1 12S User Guide

SE-1-12S  
1½ AMP  
Battery Charger & Maintainer  
For 12 Volt Batteries  
Battery  
Charger  
Model:  
Owner's Manual  
Read Rules for Safe Operation and Instructions Carefully  
Working in vicinity of a lead-acid battery is dangerous. Batteries generate explosive gases during normal  
battery operation. For this reason, it is of utmost importance that each time before using your charger, you  
read this manual and follow the instructions exactly.  
WARNING: Handling the cord on this product or cords associated with accessories sold with this product, will 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.  
GENERAL BATTERY SAFETY  
1. Before you use your battery charger, be sure to read all  
instructions and cautions printed on:  
10. Do not use an extension cord unless absolutely necessary.  
Use of an improper extension cord could result in fire or  
electric shock. If an extension cord must be used, make  
sure that:  
• Battery Charger  
• Battery  
• Vehicle or unit using battery  
• Pins on plug of extension cord are the same number,  
size, and shape as those of plug on charger.  
• Extension cord is properly wired and in good electrical  
condition.  
• Wire size is large enough forAC ampere rating of charger,  
as specified below:  
2. Use battery charger on LEAD ACID type rechargeable  
batteries only, such as used in autos, trucks, tractors,  
airplanes, vans, RV's trolling motors, etc. Charger is not  
intended to supply power to low-voltage electrical system  
other than in an automotive application.  
WARNING: Do not use battery charger for charging dry-  
cell batteries that are commonly used with home appliances.  
These batteries may burst and cause injury to persons and  
damage to property.  
Length of cord (feet):  
AWG size of cord:  
25  
18  
50  
18  
100  
18  
150  
16  
3. Use only attachments recommended or sold by  
manufacturer. Use of non-recommended attachments may  
result in fire, electric shock, or injury.  
4. When disconnecting the battery charger, pull by the plug  
not by the cord. Pulling on the cord may cause damage to  
cord or plug.  
5. Locate battery power cord so it cannot be stepped on, tripped  
over, or subjected to damage or stress.  
6. Do not operate charger with damaged cord or plug. Have  
cord replaced immediately.  
7. Do not operate charger if it has received a sharp blow, been  
dropped, or otherwise damaged in any way. Take it to a  
qualified professional for inspection and repair.  
8. Do not disassemble charger. Take it to a qualified  
professional when service or repair is required. Incorrect  
reassembly may result in electric shock or fire.  
9. To reduce risk of electric shock, unplug charger from outlet  
before attempting any maintenance or cleaning.  
11. Always charge battery in a well ventilated area.  
NEVER operate in a closed-in or restricted area without  
adequate ventilation.  
WARNING: Risk of explosive gas.  
12. Locate charger as far away from battery as DC charger  
cables permit.  
13. Do not expose charger to rain or snow.  
14. NEVER charge a frozen battery. If battery fluid (electrolyte)  
is frozen, bring into a warm area to thaw before charging.  
15. NEVER allow battery acid to drip on charger when reading  
specific gravity or filling battery.  
16. NEVER set a battery on top of charger.  
17. NEVER place charger directly above battery being charged.  
Gases from battery will corrode and damage charger.  
18. NEVER touch the battery clips together when the charger  
is energized.  
19. NEVER crank engine with charger attached to battery, and  
120 volt line.  
• IMPORTANT SAFETY INSTRUCTIONS •  
• SAVE THESE INSTRUCTIONS •  
SCHUMACHER ELECTRIC CORPORATION  
801 BUSINESS CENTER DRIVE • MOUNT PROSPECT, ILLINOIS 60056-2179  
Send Warranty Product Repairs to: 1025 E. Thompson, Hoopeston, IL60942-0280  
Call Customer Service if you have questions: 1-800-621-5485  
00-00-000457/0603  
1
 
MOUNTING INSTRUCTION  
FENDER WELL  
Figure 1 illustrates the charger mounting brackets.  
Figure 2 illustrates surface mounting of the charger to the fender  
well. If using the nut and bolt provided, drill two holes between  
3/16" and 1/4" in diameter. (For alignment of holes use one of  
the brackets as a template.) If the backside of the mounting  
surface is hard to reach, you may consider using two 1/2" sheet-  
metal screws instead of nut bolt, drill a pilot hole if required, drill  
holes between 1/8" and 5/32". CAUTION: Do not drill or punc-  
ture battery.  
12 VOLT  
BATTERY  
Figure 1  
Electrical installations - Route and secure supply cord and out-  
put wiring away from gas line, carburetor or other hot, sharp or  
moving and pinch parts to avoid damage to the insulation. Se-  
cure the AC cord and plug to a cable or from using a self locking  
cable tie or equivalent.  
Figure 2  
Figure No. 3 illustrates mounting of the charger alongside the  
battery of your automobile. If convenient place the charger to  
the side of the battery away from the engine and fan blades,  
assemble the brackets as shown in figure No. 4. Loosen the  
battery retaining hardware enough that you can insert the longer  
portion of bracket "C" between the bottom of the battery and the  
battery mounting tray. Align the charger to freely stand without  
restrictions, then tighten all hardware.  
ELECTRICAL CONNECTION  
The output leads of the charger are terminated with 3/8 inch  
ring lugs. Remove the bolts from the battery post connector,  
insert the bolt through the ring lug then place the bolt back in  
the battery connector and tighten. Connect the red lead to the  
positive (+) battery post and the black lead to the negative (-)  
post.  
If you have difficulty connecting the output leads, consult your  
local auto supply store, they may assist you in finding a con-  
necting device for your application.  
Figure 4  
gure 3  
Figure 5  
LIMITED WARRANTY  
SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CENTER DRIVE,  
MOUNT PROSPECT, ILLINOIS 60056-2179 MAKES THIS LIMITED WARRANTY  
TO THE ORIGINAL PURCHASER AT RETAIL OF THIS PRODUCT. THIS LIM-  
ITED WARRANTY IS NOT TRANSFERABLE.  
THIS IS THE ONLY EXPRESS LIMITED WARRANTY AND THE MANUFAC-  
TURER NEITHER ASSUMES NOR AUTHORIZES ANYONE TO ASSUME OR  
MAKE ANY OTHER OBLIGATION TOWARDS THE PRODUCT OTHER THAN  
THIS EXPRESS LIMITED WARRANTY. THE MANUFACTURER MAKES NO  
WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE OF THIS  
PRODUCTAND EXPRESSLY EXCLUDES SUCH FROM THIS LIMITED WAR-  
RANTY.  
Schumacher Electric Corporation warrants this battery charger for two years  
from date of purchase at retail against defective material or workmanship. If  
such should occur, the unit will be repaired or replaced at the option of the manu-  
facturer. It is the obligation of the purchaser to forward the unit together with  
proof of purchase, transportation and/or mailing charges prepaid to the manu-  
facturer or its authorized representative.  
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCI-  
DENTAL OR CONSEQUENTIAL DAMAGES OR LENGTH OF IMPLIED WAR-  
RANTY SO THEABOVE LIMITATIONS OR EXCLUSIONS MAY NOTAPPLYTO  
YOU.  
This limited warranty is void if the product is misused, subjected to careless  
handling, or repaired by anyone other than the manufacturer or its authorized  
representative.  
THIS WARRANTY GIVES YOU SPECIFIC LEGALRIGHTSAND YOU MAYALSO  
HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.  
The manufacturer makes no warranty other than this limited warranty and ex-  
pressly excludes any implied warranty including any warranty for consequential  
damages.  
3
 
OPERATING INSTRUCTIONS  
Model SE-1-12S is intended for use with 12 volt battery sys-  
tems only. The charger contains an electronic control circuit which  
safeguards against overcharging the battery.  
most vehicles, see item 5. If positive post is grounded to  
chassis, see item 6.  
5. For common negative grounded vehicle, connect positive  
(red) terminal from battery charger to positive (+)  
ungrounded post of the battery. Connect negative (-) ring  
terminal to the vehicle chassis or engine block away from  
battery as far as the leads will permit. Do not connect ring  
terminal to the carburetor, fuel lines, or sheet metal body  
parts. Connect to a heavy gauge metal part of the frame or  
engine block or the negative post.  
6. For positive grounded vehicle, connect negative (blk) ring  
terminal from the battery charger to the NEG (-) ungrounded  
battery post. Connect POS (+) red ring terminal to the vehicle  
chassis or engine block or the POS battery post. DO NOT  
connect the ring terminal to the carburetor, fuel lines, or  
sheet metal body parts. Connect to a heavy gauge metal  
part of the frame or engine block.  
After reading and following the directions "Charging battery in  
vehicle" or "Charging battery out of vehicle," you may observe  
the following conditions:  
Light Color  
On/Off  
Condition  
Green  
Off  
Check wall receptacle for  
120 volts or check lead  
connections, may be  
reversed.  
Green  
Red  
On  
On  
AC Power is present.  
Battery charger voltage is  
approximately 14 volts and  
charging has stopped.  
7. Only after completing steps 1 through 6, plug the extension  
cord into grounded 120 volt 60 hertz outlet.  
Red  
Off  
Battery voltage has  
dropped one volt and the  
charging has resumed.  
PROPER DISCONNECT PROCEDURE  
1. Always unplug extension cord before doing anything else.  
2. Disconnect the grounded clamp from the engine block,  
framework or battery.  
3. Finally disconnect the remaining clamp from battery terminal  
post.  
The on/off cycle of the red light will continue, the red light will  
stay on for longer periods of time as the battery becomes more  
fully charged. Your charger has been designed NOT to spark if  
the ring lugs on the leads accidentally touch one another, or if  
the leads are connected in reverse.  
NOTE: When connected to an electrical source, the charger  
may hum or buzz. This is normal. Also, the charger is  
designed to get quite warm. Do not set on flammable  
material.  
The battery must measure at least 2 volts to start the charging  
of the battery. The green light will be on even if the charging is  
not taking place. You can verify charging by measuring the bat-  
tery voltage and noting an increase in volts.  
CHARGING BATTERY OUT OF VEHICLE  
For some applications you may need to purchase a terminal  
similar to that shown in figure 5 to make connections.  
This charger is ideally suited for maintaining the battery charge  
level for the following applications.  
1. Storage of a battery during non-seasonal use.  
2. For vehicles seldom used or placed in storage.  
3. For improved battery performance during cold weather.  
Figure 5  
Smaller batteries such as those used on motorcycles and gar-  
den tractors can be charged overnight.  
Check polarity of battery posts. POS (+) usually is the larger  
diameter than NEG (-) post. Connect POS (+) red lead ring ter-  
minal to positive post of the battery. Position yourself away from  
the battery as far as possible, then connect NEG (-) blk lead  
ring terminal to the negative (-) post of the battery. DO NOT  
face battery when making final connection.  
For large automotive or marine battery which are deeply dis-  
charged, it is recommended to recharge first with a larger charger  
(such as a 10 amp) then use the SE-1-12S to maintain the charge  
level of the battery.  
If the battery is used in automobile or other application which  
has its own means of charging a battery, the above time maybe  
greatly reduced by partially charging the battery before apply-  
ing the charger.  
A marine (boat) battery must be removed and charged on  
shore. To charge it on board requires equipment specially  
designed for marine use.  
CHARGER OVERLOAD PROTECTION  
Your battery charger is protected from power overload by an  
automatic heat sensing switch. The protector will open with a  
clicking sound and reclose after a brief cooling period.  
CHARGING BATTERY IN VEHICLE  
FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN  
VEHICLE A SPARK NEAR BATTERY MAY CAUSE BATTERY  
EXPLOSION. TO REDUCE RISK OF SPARK NEAR BATTERY:  
1. Position AC and DC cords to reduce risk of damage by  
hood, door or moving parts.  
2. Stay clear of fan blades, belts, pulleys and other parts that  
can cause injury.  
3. Check polarity of battery posts. POSITIVE (+) battery post  
usually has a larger diameter than the NEGATIVE (-) post.  
4. Determine which post of battery is grounded (connected to  
the chassis). If negative post is grounded to chassis, as in  
MAINTENANCEAND CLEANING  
Very little maintenance is required. As with any appliance or  
tool, a few common sense rules will prolong the life of your  
battery charger.  
Store in a clean, dry place.  
Clean case and cords with a dry or slightly damp cloth.  
4
 

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