Schumacher JG-2516 User Manual

Battery
Charger
Models:

JG-2516
25 AMP Fully Automatic Battery Charger
For 16 Volt Racing Batteries

Owner's Manual

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Important Safety Instructions

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.

A. GENERAL BATTERY SAFETY

Wash hands after handling.

1. Before you use your battery charger, be sure to read all
instructions and cautions printed on:

• Battery Charger

• Battery

• Vehicle or unit using battery

2. Use battery charger on LEAD ACID type rechargeable
batteries only, such as used on race cars. Charger is not
intended to supply power to low-voltage electrical system
other than in an automotive application.
WARNING: Do
cell batteries that are commonly used with home appliances.
These batteries may burst and cause injury to persons and
damage to property.

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.

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:

not use battery charger for charging dry-

• 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 for AC ampere rating of charger,
as specified below:

Length of cord (feet): 25 50 100 150

AWG size of cord: 18 16 12 10

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 clamps together when the charger
is energized.

19. NEVER crank engine with charger attached to battery.
WARNING: Battery chargers get hot during operation and
must have proper ventilation. Air needs to flow around entire
charger. Do not set on flammable items like carpeting,
upholstery, paper, cardboard, etc. Will damage leather and
melt plastic and rubber.

JEG’S HIGH PERFORMANCE

Delaware, OH 43015

Send Warranty Product Repairs to: Schumacher Electric Corporation, 1025 E. Thompson, Hoopeston, IL 60942-0280

Call Customer Service if you have questions: 1-800-621-5485

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00-99-000534/0605

B. PERSONAL PRECAUTIONS AND SAFETY

1. WARNING: Wear complete eye protection and clothing
protection when working with lead-acid batteries.

2. Make sure someone is within range of your voice or close
enough to come to your aid when you work with or near a
lead-acid battery.

3. Have plenty of fresh water and soap nearby for use if battery
acid contacts skin, clothing, or eyes. If battery acid contacts
skin or clothing, wash immediately with soap and water.

4. Avoid touching your eyes while working with a battery. Acid
particles (corrosion) may get into your eyes! If acid enters
your eye, immediately flood eye with running cold water for
at least 10 minutes. Get medical attention immediately.

5. Remove all personal metal items such as rings, bracelets,
necklaces, and watches when working with a lead-acid
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.

6. Take care not to drop a metal tool or other metal onto the
battery. Metal may cause sparking or short circuit the battery
or another electrical device. Sparking may cause an
explosion.

7. Always operate battery charger in an open, well- ventilated
area.

8. NEVER smoke or allow a spark or flame in the vicinity of
the battery or engine. Batteries generate explosive gases!

C. PREPARING TO CHARGE

1. Make sure you have a 16 volt lead-acid battery.

2. Clean battery terminals. Take care to keep corrosion from
coming in contact with your eyes.

3. If required, add distilled water in each cell until battery acid
reaches levels specified by battery manufacturer. This helps
purge excessive gas from cells. Do not overfill. For a battery
without cell caps, carefully follow manufacturer's recharging
instructions.

4. Study all battery manufacturer's specific precautions, such
as removing or not removing cell caps while charging, and
recommended rates of charge.

5. Be sure area around battery is well ventilated while battery
is being charged. Gas can be forcefully blown away by using
a piece of cardboard or other non-metallic material as a
fan.

6. 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.

7. A marine (boat) battery must be removed and charged on
shore. To charge it on board requires equipment specially
designed for marine use.

D. LED DISPLAY

LED Indicators: The battery charger has three LED lights. They
indicate different functions.

RED LED - A steady glow indicates POWER ON. Red LED
flashes if there is a problem. (i.e. battery isn't charged within 8
hours).

YELLOW LED - A steady glow indicates proper connection to
the battery. Flashing yellow indicates no connection or reverse
connection.

GREEN LED - A steady glow indicates that Float-mode
Monitoring is keeping your battery maintained at full charge.

As a safety precaution, after 24-hours of charging, the charger
automatically switchs OFF.

E. CIRCUIT BREAKER

This battery charger is equipped with a self-resetting circuit
breaker. This device protects the charger from temporary
overloads. In the event of an overload, the circuit breaker will
trip open and after a short cooling off period will reset
automatically. This process is known as cycling and can be
recognized by an audible

clicking sound.

NOTE: Clicking sound is normal. Wait until charger automatically
resets itself.

CAUTION: Persistent clicking (more than 30 minutes) may
indicate reverse connection or shorted battery cells. (See
TROUBLESHOOTING)

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