Chargetek CT500-6 Installation Manual Download Page 1

Chargetek

 409 Calle San Pablo, Unit 104, Camarillo, CA 93012  ~  Phone: (866) 482-7930  ~  Fax: (805) 482-7936

www.chargetek.com

CT500-6 operation

The CT500-6 is fully automatic once installed properly. The LED 

indicator lights inform the user of the progress of the charging 

cycle and confirm proper connections. 

CT500-6 LED indicators

The dual color charging mode light indicates the state of charge 

of the battery. The light will illuminate only when the charger is 

properly connected to the battery and AC power is applied. Red 

indicates bulk charging, flashing red/green indicates absorbtion 

or topping off, while green indicates the battery is fully charged.
Please review the table below for electrical specifications.

Please read the entire installation manual 

before installing the battery charger.  If there 

are any questions or concerns, please email 

us or call our toll-free number given below.
The CT500-6 UL/CSA 1236 certified battery 

charger  is  totally  waterproof  and  precisely 

regulated.    It  is  designed  to  be  portable  or 

permanently mounted on almost any type 

of vehicle including generators, ATVs, RVs, 

lawn  and  garden  tractors,  snowmobiles, 

motorcycles, and personal watercraft.  This 

product line is particularly suited for storage, 

security,  standby  and  remote  applications.  

The charger can be left connected to the bat-

tery indefinitely.

The CT500-6 is a three stage charger that 

ensures  that  the  battery  is  recharged  with 

precision and will be restored to its full ca

-

pacity  as  fast  as  possible  while  prolonging 

its life.  The charger is rugged, reliable and 

completely automatic.  

CT500-6

Installation Manual

5/12/14  Ver. A

PARAMETER DESCRIPTION / CONDITIONS

MIN

NOM

MAX UNITS

V

FSTERM

Fast charge voltage, 25C

14.4

14.5

14.6

VDC

V

FLOAT

Float voltage, I

OUT 

< 1.0 A, 25 C

13.4

13.5

13.6

VDC 

I

FS

Fast charge, V

BATTERY

 = 12V

5.0

5.2

5.4

Amps

I

FLTERM

Float charge termination current

0.8

1.2

1.5

Amps

V

AC

RMS AC voltage range

180

240

264

VAC

I

SBY

Standby current, AC off

 

0.5

ma

Outline and mounting

LIMITED WARRANTY

For two years from date of purchase, Chargetek Inc. will 

at its discretion repair or replace for the original consumer, 

free of charge, any part or parts found to be defective by 

Chargetek in workmanship or material. All shipping charges 

under this warranty must be paid by the consumer. Proof 

of purchase is required.
There is no other expressed warranty. Implied warranties, 

including those of merchantability and fitness for a particular 

purpose are limited to two years from the date of purchase. 

This is the exclusive remedy and consequential damages 

are excluded where permitted by law.

The CT500-6 must be connected to the battery in order for the 

LEDs to illuminate. Should no illumination appear, unplug the 

unit and recheck battery connections to ensure proper polarity. 

The red wire connects to the positive and the black to the nega

-

tive battery terminal. 
If the charger is left for extended periods of time, it is advisable 

to check to be certain that the green light is on and the battery 

voltage is less than 27.2VDC. 
Over temperature: The CT500-6 will reduce its charging current 

as its case temperature increases to insure proper operation. 

In the event of a charger over temperature, the unit will turn off 

until it cools and then restart automatically.
Over voltage protection (OVP):  If the red light marked “Service” 

ever illuminates, the unit should be removed and returned to 

the  factory. This  light  indicates  that  the  internal  over-voltage 

protection shut off has been tripped and the unit will shut down.

 6.000 

 3.170 

 5.250 

   .21 x 2 

   .21 x 2 

   .44 x 2 

 1.750 

 6.000 

 2.580 

 .160 

 4.544 

DC Output

Cord

AC Input 

Cord

 3.170 

 2.580 

 2.764 

 1.590 

Dimensions in inches

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