OWNERS MANUAL / MANUAL DEL USUARIO / MANUEL D'UTILISATION
PLEASE SAVE THIS OWNERS MANUAL AND READ BEFORE EACH USE. This manual will explain how to use the battery charger safely and effectively. Please read and follow these instructions and precautions carefully.
1.1 SAVE THESE INSTRUCTIONS - This manual contains important safety and operating instructions.
1.2 Keep out of reach of children.
1.3 Do not expose the charger to rain or snow.
1.4 Use of an attachment not recommended or sold by the battery charger manufacturer may result in a risk of fire, electric shock or injury to persons.
1.5 To reduce the risk of damage to electric plug and cord, pull by the plug rather than the cord when disconnecting charger.
1.6 An extension cord should not be used unless absolutely necessary. Use of improper extension cord could result in a risk of fire and electric shock. If an extension cord must be used, make sure:
·The pins on plug of extension cord are the same number, size and shape as those of plug on charger.
·The extension cord is properly wired and in good electrical condition.
·The wire size is large enough for AC ampere rating of charger as specified in section 8.
1.7 Do not operate charger with damaged cord or plug - replace the cord or plug immediately.
1.8 Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way; take it to a qualified serviceperson.
1.9 Do not disassemble charger; take it to a qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire.
1.10 To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance or cleaning. Turning off controls will not reduce this risk.
1.11 WARNING: RISK OF EXPLOSIVE GASES.
a. 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 YOU FOLLOW THE INSTRUCTIONS EACH TIME YOU USE THE CHARGER.
b. To reduce risk of battery explosion, follow these instructions and those published by battery manufacturer and manufacturer of any equipment you intend to use in vicinity of battery. Review cautionary markings on these products and on engine.
2.1 Consider having someone close enough by to come to your aid when you work near a lead- acid battery.
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 and clothing protection. Avoid touching eyes while working near battery.
2.4 If battery acid contacts skin or clothing, wash immediately with soap and water. If acid enters eye, immediately flood eye with running cold water for at least 10 minutes and get medical attention immediately.
2.5 NEVER smoke or allow a spark or flame in vicinity of battery or engine.
2.6 Be extra cautious to reduce risk of dropping a metal tool onto battery. It might spark or short-circuit battery or other electrical part that may cause explosion.
2.7 Remove personal metal items such as rings, bracelets, necklaces, and watches when working with a leadacid battery. A lead- acid battery can produce a short- circuit current high enough to weld a ring or the like to metal, causing a severe burn.
2.8 Use charger for charging LEAD-ACID (STD, AGM, GEL or deep- cycle) rechargeable batteries. It is not intended to supply power to a low voltage electrical system other than in a starter- motor application. 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.
2.9 NEVER charge a frozen battery.
3.1 If necessary to remove battery from vehicle to charge, always remove grounded terminal from battery first. Make sure all accessories in the vehicle are off, so as not to cause an arc.
3.2 Be sure area around battery is well ventilated while battery is being charged.
3.3 Clean battery terminals. Be careful to keep corrosion from coming in contact with eyes.
3.4 Add distilled water in each cell until battery acid reaches level specified by battery manufacturer. Do not overfill. For a battery without removable cell caps, such as valve regulated lead acid batteries, carefully follow manufacturer's recharging instructions.
3.5 Study all battery manufacturer's specific precautions while charging and recommended rates of charge.
3.6 Determine voltage of battery by referring to car owner's manual and make sure that output voltage selector switch is set at correct voltage. If charger has adjustable charge rate, charge battery initially at lowest rate.
4.1 Locate charger as far away from battery as DC cables permit.
4.2 Never place charger directly above battery being charged; gases from battery will corrode and damage charger.
4.3 Never allow battery acid to drip on charger when reading electrolyte specific gravity or filling battery.
4.4 Do not operate charger in a closed-in area or restrict ventilation in any way.
4.5 Do not set a battery on top of charger.
5.1 Connect and disconnect DC output clips only after setting any charger switches to "off" position and removing AC cord from electric outlet. Never allow the clips of charger to touch each other. Clips may be energized and they may spark.
5.2 Attach clips to battery and chassis, as indicated in sections 6 and 7.
WARNING: A SPARK NEAR THE BATTERY MAY CAUSE A BATTERY EXPLOSION. TO REDUCE THE RISK OF A SPARK NEAR THE BATTERY:
6.1 Position AC and DC cords to reduce risk of damage by hood, door, or moving engine part.
6.2 Stay clear of fan blades, belts, pulleys, and other parts that can cause injury to persons.
6.3 Check polarity of battery posts. POSITIVE (POS, P, + ) battery post usually has larger diameter than NEGATIVE (NEG, N, - ) post.
6.4 Determine which post of battery is grounded (connected) to the chassis. If negative post is grounded to chassis (as in most vehicles), see (6.5). If positive post is grounded to the chassis, see (6.6).
6.5 For negative-grounded vehicle, connect POSITIVE (RED) clip from battery charger to POSITIVE (POS, P, + ) ungrounded post of battery. Connect NEGATIVE (BLACK) clip to vehicle chassis or engine block away from battery. Do not connect clip to carburetor, fuel lines, or sheet-metal body parts. Connect to a heavy gauge metal part of the frame or engine block.
6.6 For positive-grounded vehicle, connect NEGATIVE (BLACK) clip from battery charger to NEGATIVE (NEG, N, - ) ungrounded post of battery. Connect POSITIVE (RED) clip to vehicle chassis or engine block away from battery. Do not connect clip to carburetor, fuel lines, or sheet-metal body parts. Connect to a heavy gauge metal part of the frame or engine block.
6.7 When disconnecting charger, turn switches to off, disconnect AC cord, remove clip from vehicle chassis, and then remove clip from battery terminal.
6.8 See Calculating Charge Time for length of charge information.
WARNING: A SPARK NEAR THE BATTERY MAY CAUSE A BATTERY EXPLOSION. TO REDUCE THE RISK OF A SPARK NEAR THE BATTERY:
7.1 Check polarity of battery posts. POSITIVE (POS, P, + ) battery post usually has a larger diameter than NEGATIVE (NEG, N, -) post.
7.2 Attach at least a 24-inch-long 6-gauge (AWG) insulated battery cable to NEGATIVE (NEG, N, -) battery post.
7.3 Connect POSITIVE (RED) charger clip to POSITIVE (POS, P, +) post of battery.
7.4 Position yourself and free end of cable as far away from battery as possible - then connect NEGATIVE (BLACK) charger clip to free end of cable.
7.5 Do not face battery when making final connection.
7.6 When disconnecting charger, always do so in reverse sequence of connecting procedure and break first connection while as far away from battery as practical.
7.7 A marine (boat) battery must be removed and charged on shore. To charge it on board requires equipment specially designed for marine use.
8.1 This battery charger is for use on a nominal 120 volt circuit and has a grounded plug. The charger must be grounded, to reduce the risk of electric shock. The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances. The plug pins must fit the receptacle (outlet). Do not use with an ungrounded system.
8.2 DANGER: Never alter the AC cord or plug provided - if it does not fit the outlet, have a proper grounded outlet installed by a qualified electrician. An improper connection can result in a risk of an electric shock or electrocution.
NOTE: Pursuant to Canadian Regulations, use of an adapter plug is not allowed in Canada. Use of an adapter plug in the United States is not recommended and should not be used.
The use of an extension cord is not recommended. If you must use an extension cord, follow these guidelines:
- Pins on plug of extension cord must be the same number, size, and shape as those of plug on charger. Ensure that the extension cord is properly wired and in good electrical condition.
- Wire size must be large enough for the AC ampere rating of charger, as specified:
Recommended minimum AWG size for an extension cord
| AC input rating, amperes* | Length of cord, feet (m) / AWG size of cord | ||||
| At least | But less than | 25 (7.6) | 50 (15.2) | 100 (30.5) | 150 (45.6) |
| 0 | 2 | 18 | 18 | 18 | 16 |
| 2 | 3 | 18 | 18 | 16 | 14 |
| 3 | 4 | 18 | 18 | 16 | 14 |
| 4 | 5 | 18 | 18 | 14 | 12 |
| 5 | 6 | 18 | 16 | 14 | 12 |
| 6 | 8 | 18 | 16 | 12 | 10 |
| 8 | 10 | 18 | 14 | 12 | 10 |
| 10 | 12 | 16 | 14 | 10 | 8 |
| 12 | 14 | 16 | 12 | 10 | 8 |
| 14 | 16 | 12 | 10 | 8 | 8 |
| 16 | 18 | 14 | 12 | 8 | 6 |
| 18 | 20 | 14 | 12 | 8 | 6 |
*If the input rating of a charger is given in watts, rather than in amperes, the corresponding ampere rating is determined by dividing the wattage rating by the voltage rating, for example: 1200 watts/120 volts = 10 amperes.
9.1 Remove all cord wraps and uncoil the cables prior to using the battery charger.
9.2 Extend the handle from the retracted position by pulling it upward until it locks into place. (Press the small silver buttons inward, if necessary.)
Use the charge rate selector switch to select the charge rate or engine start setting.
Charge - For charging small and large batteries. Not recommended for industrial applications.
Boost - For quickly adding energy to a severely discharged or large capacity battery prior to Engine Start.
Engine Start - Provides additional amps for cranking an engine with a weak or run-down battery. Always use in combination with a battery.
The timer allows you to set a specified time for charging. After the timer expires, the charger stops charging your battery. The main function of the timer is to prevent overcharging, while allowing a battery time to obtain a satisfactory charge. To properly set the timer, you must know the size of the battery (in ampere hours) or reserve capacity (in minutes) and the state of charge. It is important that you determine the appropriate state of charge of your battery and set the timer accordingly.
The Ammeter indicates the amount of current, measured in amps, that is being drawn by the battery. As a battery takes on a charge, it draws less current from the charger. Correspondingly, the meter will show less current being drawn by the battery. When the current stops decreasing, the battery is charged. The start area of the meter indicates a high rate of current being drawn from the charger. When cranking an engine, the meter needle will be at the extreme right side of the start area. The 2 amp charge rate may indicate some activity on the meter, although the meter does not have the resolution to display this low rate.
WARNING: A SPARK NEAR BATTERY MAY CAUSE AN EXPLOSION.
When manual mode is performed, the charger will continue to charge and will not shut off. Monitor the charging process and stop when the battery is fully charged. Not doing so may damage your battery and result in property damage or personal injury.
Your battery charger can be used to jump start your car if the battery is low. Follow all safety instructions and precautions for charging your battery. Wear complete eye protection and protective clothing.
WARNING: Using the ENGINE START feature WITHOUT a battery installed in the vehicle could damage the vehicle's electrical system.
NOTE: If you have charged the battery and it still will not start your car, do not use the Engine Start feature, or it could damage the vehicle's electrical system. Have the battery checked.
NOTE: During extremely cold weather, or if the battery is under 2 volts, charge the battery for 5 minutes before cranking the engine.
NOTE: If the engine does turn over but never starts, there is not a problem with the starting system; there is a problem somewhere else with the vehicle. STOP cranking the engine until the other problem has been diagnosed and corrected.
It is normal for the fan to run while the timer is on. Keep the area near the charger clear of obstructions, to allow the fan to operate efficiently.
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.
Example: Amp hour rating = Reserve capacity + 16
NOTE: The Reserve Capacity can be obtained from the battery's specification sheet or the owners manual.
Example: 20 Charger Setting
100 (Ah rating) x .50 (charge needed) x 1.25 = 3.125 hrs
100 x .50 x 1.25 = 3.125
20
You need to charge a 100 Ampere hour battery for a little more than 3 hrs at the 20 Amp charge rate, using this example.
Use the following table to determine the time it will take to bring a battery to full charge. The times given are for batteries with a 50% charge prior to recharging.
CCA = Cold Cranking Amps Ah = Amp Hour RC = Reserve Capacity NR = Not Recommended
| BATTERY SIZE/RATING | CHARGE RATE/CHARGING TIME | ||||
| 10A | 20A | 40A | 50A | ||
| SMALL BATTERIES | Motorcycle, garden tractor, etc. 6-12 Ah | NR | NR | NR | NR |
| 12-32 Ah | NR | NR | NR | NR | |
| CARS/TRUCKS | 200-315 CCA 40-60 RC | 2½-3 h | 1-1½ h | ½-¾ h | 25-35 min |
| 315-550 CCA 60-85 RC | 3-3½ h | 1½-2 h | ¾-1 h | ½-¾ h | |
| 550-1000 CCA 85-190 RC | 3¾-7 h | 2-3½ h | 1-1½ h | ¾-1½ h | |
| MARINE/DEEP-CYCLE | 80 RC | 3½ h | 1¾ h | NR | NR |
| 140 RC | 5½ h | 2¾ h | NR | NR | |
| 160 RC | 6 h | 3 h | NR | NR | |
| 180 RC | 6½ h | 3¾ h | NR | NR | |
A minimal amount of care can keep your battery charger working properly for years.
| PROBLEM | POSSIBLE CAUSE |
SOLUTION |
|---|---|---|
| Charger will not turn on when properly connected. | AC outlet is dead. | Check for open fuse or circuit breaker supplying AC outlet. |
| Poor electrical connection. | Check power cord and extension cord for loose fitting plug. | |
| The battery is connected and the charger is on, but is not charging. | Clamps are not making a good connection. | Check for poor connection at battery and frame. Make sure connecting points are clean. Rock the clamps back and forth for a better connection. |
| The charger is making an audible clicking sound. | Circuit breaker is cycling. | The settings may be wrong. Check the charger settings. |
| Battery is defective. | Have the battery checked. | |
| Shorted battery cables or clips. | Circuit breaker cycles when current draw is too high. Check for shorted cables or clips and replace if necessary. | |
| Severely discharged battery, but otherwise it is a good battery. | The battery may not want to accept a charge due to a run-down state. Allow charging to continue until battery has a chance to recover sufficiently to take a charge. If more than 20 minutes, stop charging and have the battery checked. | |
| Reverse connections at battery. | Shut the charger off and correct the lead connections. | |
| Charger makes a loud buzz or hum. | Transformer laminations vibrate (buzz). | No problem, this is a normal condition. |
| Shorted Diode Assembly or Output Rectifier Assembly (hum). | Have charger checked by a qualified technician. | |
| Short or no start cycle when cranking engine. | Drawing more than the Engine Start rate. | Crank time varies with the amount of current drawn. If cranking draws more than the Engine Start rate, crank time may be less than 5 seconds. |
| Failure to wait 3 minutes between cranks. | Wait 3 minutes of rest time before the next crank. | |
| Clamps are not making a good connection. | Check for poor connection at battery and frame. | |
| AC cord and/or extension cord is loose. | Check power cord and extension cord for loose fitting plug. | |
| No power at receptacle. | Check for open fuse or circuit breaker supplying AC outlet. | |
| The charger may be overheated. | The thermal protector may have tripped and needs a little longer to reset. Make sure the charger vents are not blocked. Wait and try again. | |
| Battery may be severely discharged. | On a severely discharged battery, use the Boost setting for 10 to 15 minutes, to help assist in cranking. |
For information about troubleshooting, contact customer service for assistance: [email protected] | www.batterychargers.com | or call 1- 800- 621- 5485
For REPAIR OR RETURN, contact Customer Service at 1- 800- 621- 5485. DO NOT SHIP UNIT until you receive a RETURN MERCHANDISE AUTHORIZATION (RMA) number from Customer Service at Schumacher Electric Corporation.
Go to www.batterychargers.com to register your product online.
SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CENTER DRIVE, MOUNT PROSPECT IL 60056- 2179, MAKES THIS LIMITED WARRANTY TO THE ORIGINAL RETAIL PURCHASER OF THIS PRODUCT. THIS LIMITED WARRANTY IS NOT TRANSFERABLE OR ASSIGNABLE.
Schumacher Electric Corporation (the "Manufacturer") warrants this charger for two (2) years from the date of purchase at retail against defective material or workmanship that may occur under normal use and care. If your unit is not free from defective material or workmanship, Manufacturer's obligation under this warranty is solely to repair or replace your product with a new or reconditioned unit at the option of the Manufacturer. It is the obligation of the purchaser to forward the unit, along with proof of purchase and mailing charges prepaid to the Manufacturer or its authorized representatives in order for repair or replacement to occur.
Manufacturer does not provide any warranty for any accessories used with this product that are not manufactured by Schumacher Electric Corporation and approved for use with this product. This Limited Warranty is void if the product is misused, subjected to careless handling, repaired, or modified by anyone other than Manufacturer or if this unit is resold through an unauthorized retailer.
Manufacturer makes no other warranties, including, but not limited to, express, implied or statutory warranties, including without limitation, any implied warranty of merchantability or implied warranty of fitness for a particular purpose. Further, Manufacturer shall not be liable for any incidental, special or consequential damage claims incurred by purchasers, users or others associated with this product, including, but not limited to, lost profits, revenues, anticipated sales, business opportunities, goodwill, business interruption and any other injury or damage. Any and all such warranties, other than the limited warranty included herein, are hereby expressly disclaimed and excluded. Some states do not allow the exclusion or limitation of incidental or consequential damages or length of implied warranty, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights and it is possible you may have other rights which vary from this warranty.
THIS LIMITED WARRANTY IS THE ONLY EXPRESS LIMITED WARRANTY AND THE MANUFACTURER NEITHER ASSUMES OR AUTHORIZES ANYONE TO ASSUME OR MAKE ANY OTHER OBLIGATION TOWARDS THE PRODUCT OTHER THAN THIS WARRANTY.
Schumacher and the Schumacher logo are registered trademarks of Schumacher Electric Corporation.
SAVE ON POSTAGE! ACTIVATE YOUR WARRANTY ONLINE - THE QUICK AND EASY WAY! Go to www.batterychargers.com to register your product online. (No internet access? Send in the completed warranty card.)

For faster warranty activation, go to www.batterychargers.com to register your product online.
Reference file: Schumacher SC1445 6V/12V 250A Manual Battery Charger/Engine Starter
Additionally, the document applies to other Schumacher models: 105-4, 105-5, 105-10, 105-13