Schumacher SC-2500A Owner'S Manual Download Page 3

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IMPORTANT SAFETY INSTRUCTIONS

This manual contains important safety and operating instructions for battery charger
Model 2500A.

WARNING – RISK OF EXPLOSIVE GASES

WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BAT-
TERIES 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.

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.

SAVE THESE INSTRUCTIONS

• 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.

WARNING: 

Battery chargers get hot

during operation and must have
proper ventilation. Air needs to flow
around entire charger. Do not set
charger on flammable materials like
carpeting, upholstery, paper, card-
board, etc. Charger may damage
leather, plastic and rubber.

HELP US HELP YOU ——
Remember:

Place

 charger as far away from the

battery being charged as the charger
cables will permit.

Do not

 expose charger to rain or snow.

Never

 charge a frozen battery. If battery

fluid (electrolyte) becomes frozen, bring
battery into a warm area to allow to
thaw before you begin charging.

Never

 allow battery acid to drip on

charger when reading specific gravity or
filling battery.

Never

 set a battery on top of charger.

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.

• Read all instructions and cautions

printed on the battery charger,
battery, and vehicle or equipment
using battery.

• Use charger only on lead-acid type

rechargeable batteries, such as those
used in cars, trucks, tractors, air-
planes, vans, RV’s, trolling motors,
etc. This charger is not intended to
supply power to a low voltage
electrical system other than in a
starter-motor application.

Never 

use charger for charging dry

cell batteries that are commonly used
with home appliances like radios,
stereos, remote controls, etc. These
batteries may burst and cause
personal injury.

• 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.

Summary of Contents for SC-2500A

Page 1: ...8 1004 OWNER S MANUAL Schumacher Electric Corporation Mount Prospect IL 60056 U S A Model 2500A For 12 Volt Batteries SpeedCharge computer smart 25a m p F A S T C H A R G E a m p M E D I U M C H A R G...

Page 2: ...s 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 interfer ence by o...

Page 3: ...from the battery being charged as the charger cables will permit Do not expose charger to rain or snow Never charge a frozen battery If battery fluid electrolyte becomes frozen bring battery into a wa...

Page 4: ...resh water and soap nearby for use in case battery acid contacts your eyes skin or clothing If this happens wash immediately with soap and water Then get medical attention Avoid touching your eyes whi...

Page 5: ...ve a 12 volt lead acid battery Determine voltage of battery by referring to vehicle owner s manual Charge battery initially at charger s lowest rate Clean the battery terminals Be careful to keep corr...

Page 6: ...ow LED should light and the charging process should start If the CHECK red LED is on check for correct cable connections 8 To disconnect the charger unplug its power cord before attempting to disconne...

Page 7: ...RY 24 6 GAUGE CABLE POWER CORD TO GROUNDED POWER OUTLET CHARGING BATTERY REMOVED FROM THE VEHICLE 5 Plug the power cord into an AC outlet The charger will be set to the Tester Mode for REGULAR battery...

Page 8: ...be charged to one of the following three 2500A CONTROL PANEL REGULAR This is the type of battery usually used in cars trucks and motorcycles These batteries have vent caps and are often marked low ma...

Page 9: ...battery O O 0 Voltage meter activated O 0 0 17 0V 2 Amp charge with battery detected O O xx or xx xV 12 Amp charge with battery detected O O xx or xx xV 25 Amp charge with battery detected O O xx or...

Page 10: ...er the unit is powered up the unit will remain a tester not a charger indefinitely unless a charge rate is selected TESTING AFTER CHARGING After the unit has been changed from tester to charger by sel...

Page 11: ...l charge If the charger detects a sulfated battery the charger will switch to a special mode of operation designed for such batteries Activation of the special desulfation mode is indicated by blinkin...

Page 12: ...ermocouple This device monitors the temperature and allows the charger to turn the fan on and off as needed If the temperature rises above a preset level the charge current will be reduced to allow th...

Page 13: ...te and eventually reduces the charge rate in a con trolled manner After the charging process has started the digital display can be used to determine charging progress by selecting the BATTERY mode Th...

Page 14: ...power than again if necessary the charger can deliver in 24 hours Battery may also be faulty The green CHARGED light The battery may be fully If the battery is in a vehicle turns on a few minutes afte...

Page 15: ...15 NOTES...

Page 16: ...ufacturer or its authorized representative The manufacturer makes no warranty other than this limited warranty and expressly excludes any implied warranty including any warranty for consequential dama...

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