
BOOK# 091-26-12, 4-23-97
INSTRUCTION MANUAL
AUTO CHARGE 3
AUTOMATIC BATTERY CONDITIONER
MODEL #091-26-12
NOTE:
THIS IS A CONDITIONER FOR MAINTAINING THE CHARGE IN A VEHICLE'S
BATTERY. IT WILL RECHARGE THE BATTERY SLOWLY BUT IS NOT RECOM-
MENDED FOR APPLICATIONS WITH AUXILIARY LOADS.
INPUT: 120 VOLT, 50/60 Hz, 1 AMP MAX
MAX. OUTPUT: 12 VOLTS, 3 AMPS
3 YEAR WARRANTY
KUSSMAUL ELECTRONICS CO., INC.
170 CHERRY AVE., WEST SAYVILLE, N.Y. 11796
TEL: in NY 631-567-0314 TOLL FREE: 800-346-0857 FAX: 631-567-5826

INTRODUCTION
The Auto Charge 3 Automatic Battery Charger is a compact, completely automaticcharger
designed for installation on vehicles with two batteries. An internal charge divider charges both
batteries simultaneously while maintaining complete battery isolation. A maximum output of 3
amperes privides sufficient current for vehicles which do not have large constant accessory
loads. Indicator lights are provided to signal when the charger is charging and when the
charging is complete.
Construction of the Auto Charge 3 is extremely rugged to withstand the shock and vibration
normally encountered by vehicle mounted equipment. The unit operates completely
automatically and stops charging the batteries when they are fully charged. There is no trickle
charge and therefore no danger of ov ercharging and w ater boiloff . Parasitic loads on the battery
such as a radio, lights , etc., up to a maximum of 2 amps are automatically supplied with current
from the charger.

INSTALLATION WIRING DIAGRAM
WIRE SIZE CHART
CONNECTION ITEM DEFINITION WIRE SIZE
COM
1
2
BA TTERY
COMMON
BA TTERY
NO.1
BA T TER Y
NO.2
NEGA TIVE CHARGING LEAD
FOR BATTERIES
POSITIVE CHARGING LEAD
FOR BATTERY# 1
POSITIVE CHARGING LEAD
FOR BAT TE RY # 2
14 AWG
14 AWG
14 AWG
IMPORTANT: Wire size is for a
maximum length of 40 feet. If wiring
is to be longer, larger wiring is required. Additional information is
available on request.

SPECIFICATIONS
SPECIFICATIONS:
Input: 120 Volts, 60Hz, 1 amp
Output Volts: 13.25 volts nominal
Output Current: 0-3 Amps D.C. output current
determined by state of charge of batteries
Charge Indicator: RED LED indicates charging current
GREEN LED indicates fully charged
Remote Charge Indicator Connector: permits locating Red/Green LED's at
Weight: 6 lbs
remote loaction
OUTLINE DRAWING

INSTALLATION RECORD & WARRANTY
Date Installed
Installed By
Vehicle Identification
Vehicle Owner
WARRANTY
All product of Kussmaul Electronics Company Inc. are warranted to be free
of defects of material or workmanship. Liability is limited to repairing or
replacing at our factory, without charge, any material or defects which
become apparent in normal use within 3 years from the date the equipment
was shipped.
Kussmaul Electronics Company, Inc. shall have no liability for damages of
any kind to associated equipment arising from the installation and /or use of
the Kussmaul Electronics Company, Inc. products. The purchaser, by the
acceptance of the equipment, assumes all liability for any damages which
may result from its installation, use or misuse, by the purchaser, his or its
employees or others.