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MANUAL
INTRODUCTION
US 0.8 (1064) is a switch mode charger with pulse maintenance and is a part of a series of battery chargers from
CTEKSwedenAB. These chargers represent the latest technology within battery ch arging. An US 0.8 (1064) gives the
battery maximum life.
CTEK C OMFORT CONNECT – eyelet ¼” (M6)
12V/0.8A
US 0.8
CTEK C OMFORT CONNECT
MAINS CABLE
CTEK C OMFORT CONNECT – c lamp
CHARGE CABLE
SUPPLY PLUG*
*Supply plugs may differ to suit your wall socket.
IMPORTANT SAFETY
INSTRUCTIONS
CALIFORNIA PROPOSITION 65
WARNING: This product contains chemical known to the state
of California to cause cancer or reproductive toxicity.
1.
SAVE THESE INSTRUCTIONS
– This manual contains important safety and operating
instructions for battery charger model US 0.8 (1064).
2. Do not expose charger to rain or snow.
3. Use of an attachment not recommended or sold by CTEK
may result in a risk of fire, electric shock or injury to
persons.
4. To reduce risk of damage to electric plug and cord, pull
by the plug rather than cord when disconnecting charger.
5. An extension cord should not be used unless absolutely
necessary. Use of improper extension cord could resu lt
in a risk of fire and electric shock. If an extension cord
must be used, make sure that: a) Pins on plug of extension cord are the same numb er, size and shape as those
of plug on charge r; b) Extension cord is properly wired
and in good electrical condition; and c) Wire size is large
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enough for AC ampere rating of charger as specified
in “RECOMMENDED MINI MU M AWG SIZE FOR AC
EXTENSION CORDS”.
6. Do not operate charger with damaged cord or plug –
return the c harger to the retailer.
7. Do not operate charger if it has received a sharp blow,
been dropped or otherwise damaged in any way ; take it
to the retailer.
8. Do not disassemble charger; take it to the retailer when
service or repair is required. Incorrect reassembly may
result in a risk of electrical shock or fire.
9. To reduce risk of electric shock, unplug charger from AC
outlet before attempting any maintenance or cleaning.
10.
WARNING - RISK OF
EXPLOSIVE GASES
a) WORKING IN VICINITY OF
A LEAD-ACID BATTERY IS
DANGEROUS. BATTERIES
GENER ATE 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 instruc-
tions and those published by the battery manufacturer
and the manufacturer of any equipment you intend to use
in vicinity of battery. Review cautionary marking on these
products and on engine.
11.
PERSONAL PRECAUTIONS
a) Consider having someone close enough by to come to
your aid when you work near a lead-acid battery.
b) Have plenty of fresh water and soap nearby in case bat-
tery acid contacts skin, clothing or eyes.
c) Wear complete eye protection and clothing protection.
Avoid touching eyes while working near battery.
d) If battery acid contacts skin or clothing, wash immedi-
ately 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.
e) NEVER smoke or allow a spark or flame in vicinity of bat-
tery or engine.
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f) 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.
g) Remove personal metal items such as rings, bracelets,
necklaces, and watches when working with lead-acid
battery. A lead-acid battery can produc e a short-circuit
current high enough to weld a ring or the like to metal,
causing a severe burn.
h) Use charger for charging a LEAD-ACID battery only. 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 perso ns and damage to
property.
i) NEVER charge a frozen battery.
12.
PREPARING TO CHARGE
a) 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.
b) Be sure area around battery is well ventilated while bat-
tery is being charged.
c) Clean battery terminals. Be careful to keep corrosion
from coming in contact with eyes.
d) Add distilled water
in each cell until battery acid reaches
level specified by battery manufacturer. Do not overfill.
For a battery without removable cell c aps, such as valve
regulated lead acid batteries, carefully follow manufacturer’s recharging instruction.
e) Study all battery manufacturer’s specific precautions
while charging and recommended rates of charge.
f) Determine voltage of battery by referring to car ow ner’s
manual and make sure it matches output rating of battery
charger.
13.
CHARGER LOCATION
a) Locate charger as far away from battery as DC cables
permit.
b) Never place c harger directly above battery being
charged; gases f rom battery will corrode and damage
charger.
c) Never allow battery acid to drip on charger when read-
ing electrolyte specific gravity or filling batter y.
d) Do not operate charger in a closed-i n area or restrict
ventilation in any way.
e) Do not set a battery on top of charger.
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14. DC CONNECTION
PRECAUTIONS
a) Connect and disconnect DC output clips only after setting
any charger switches to “off” positi on and removing AC
cord from electric outlet. Never allow clips to touch each
other.
b) Attach clips to battery and chassis as indicated in 14(e),
14 (f), 15(b ) through 15(d).
15.
FOLLOW THESE STEPS WHEN
B ATTERY IS INSTALLED IN
VEHICLE. A SPARK NEAR
B ATTERY MAY CAUSE BATTERY
EXPLOSION. TO REDUCE RISK
OF A SPARK NEAR BATTERY:
a) Position AC and DC cords to reduce risk of damage by
hood, door or moving engine part.
b) Stay clear of fan blades, belts, pulleys, and other parts
that can cause injury to persons.
c) Check polarity of battery posts. POSITIVE (POS, P, +)
battery post usually has larger diameter than NEGATIVE
(NEG, N, -) post.
d) Determine which post of batte ry is grounded (connected)
to the chassis. If negative post is grounded to the chassis
(as in most vehicles) see (e). If positive post is groun ded to
the chassis, see (f).
e) Fo r 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 gage metal part of the frame or engine block.
f) 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 batt er y. Do not connect clip to carburetor,
fuel lines, or sheet -metal body parts. Connect to a heavy
gage metal part of the fra me or engine block.
g) Connect charger AC supply cord to electric outlet.
h) When disconnecting charger, turn switches to off, discon-
nect AC cord, remove clip from vehicle chassis, and then
remove clip from battery termi nal.
i) See operating instructions for length of charge
information.
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16. FOLLOW THESE STEPS WHEN
B ATTERY IS OUTSIDE VEHICLE.
A SPARK NEAR BATTERY MAY
CAUSE BATTERY EXPLOSION.
TO REDUCE RISK OF
A SPARK NEAR BATTERY:
a) Check polarity of battery terminals. POSITIVE (POS,
P, +) battery post usually has a larger diameter than
NEGATIVE (NEG, N, -) post.
b) Attach at least a 60 cm 6-gauge (AWG) insulated bat-
tery cable to a Negative (NEG, N, -) battery post.
c) Connect POSITIVE (RED) charger clip to P OSITIVE (POS,
P, +) post of batter y.
d) 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.
e) Do not face battery when making the final connection.
f) Connect charger AC supply cord to electric outlet.
g) When disconnecting charger, always do so in reverse
sequence of connecting procedure and break first con-
nection while as far away from battery as practical.
h) A marine (boat) battery must be removed and charged
on shore. To charge it on board requires equipment spe-
cially designed for marine use.
IMPORTANT SAFETY
INFORMATION!
• Ch arge no other batteries than specified in TECHNICAL
INFORMATION.
• Check t he charger cables prior to use. Ensure that no
cracks have occurred in the cables or in the bend protection. A charger with damaged cables must be returned to
the retailer.
• Ensure that the cabling does not jam or comes into contact
with hot surfaces or sharp edges.
• Never charge a damaged battery.
• Never place the charger on top of the battery when
charging.
• Avoid covering the charger.
• All batteries fail sooner or later. A battery that fails during charging is normally taken care of by the chargers
advanced control, but some rare errors in the battery could
still exist. Don’t leave any batter y d uring charging unattended for a longer period of time.
• If power consumers like fitted alarms and navigation computers are connected to the battery, the charging process
takes longer and may drain the batt er y.
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• Always check that the charger has switched to STEP 7
before leaving the charger unattended and connected for
long periods. If the charger has not switched to STEP 7
within 50 hours, this is an indication of an error. Disconnect
the charger.
• Batteries consum e water during use and charging. For batteries where water can be added, the water level should
be checked regularly. If the water level is low add distilled
water.
• This appliance is not designed for use by young children or
people who cannot read or understand the manual unless
they are und er the supervision of a responsible person to
ensure that they can use the battery charge r safely. Store
and use the battery charger out of the reach of children,
and ensure that children cannot play with the charger.
• Connection to the mains supply must be in accordance with
the national regulations for electrical installations.
• Do not extend the charge cable.
RECOMMENDED
MINIMUM AWG SIZE
FOR AC EXTENSION CORDS
LENGTH OF CORD
FEET (M)
AWG SIZE OF CORD
25 (7.6 ) 18
50 (15.2) 18
100 (30.5) 18
150 (45.6) 16
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CONNECT AND DISCONNECT THE CHARGER
TO A BATTERY INSTALLED IN A VEHICLE
Comfort
Connect
+
+
–
–
Comfort
Connect
12V/0.8A
US 0.8
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OPERATING INSTRUCTIONS
1. Connect t he charger to the battery.
2. Connect the charger to the wall socket. The power lamp will indicate t hat the mains cable is connected to the wall socket. The
error lamp will indicate if the battery clamps are incorrectly connected. The reve rse polarity protection will ensure that the battery or charger will not be damaged.
3. Follow the 6-step display through the charging process.
The battery is ready to sta rt the engine when STEP 3 is lit.
The battery is fully charged when STEP 5 is lit.
4. Stop charging at any time by disconnecting the mains cable from the wall socket.
ERROR
LAMP
FULLY CHARGEDREADY TO USE
POWER L AMP
12V/0.8A
US 0.8
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CHARGING PROGRAM
US 0.8 (1064) is equipped with a multi purpose charging progra m. US 0.8 (1064) charges all batteries 1.2–32A h
and maintains all batteries 1. 2–10 0Ah in the temperature range of -4˚F to +122˚F (-20˚C to +50˚C).
DESULFATION BULK ABSORPTION ANALYSE FLOAT PULSE
CURRENT (A) VOLTAGE (V)
14.4V
Increasing voltage to 14.4V.
0.8A
Declining
current
14.4V
Checks if voltage drops to
12 V
13.6V
0.8A
12. 7 V–14 . 4V
0.8–0.4A
Limit: Max 8h Max 20h Max 10h 3 minute s
10 days
Charge cycle
restarts if voltage drops
Charge cycle
restarts if voltage drops
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STEP 1 DESULFATION
Detects sulfated batter ies. Pulsing current and voltage,
removes su lfate from the lead plates of the battery restoring
the battery capacity.
STEP 2 BULK
Charging with maximum current until approximately 80% battery capac ity.
STEP 3 ABSORPTION
Charging with declining current to maximize up to 100% b attery capac ity.
STEP 4 ANALYSE
Tests if the battery can hold charge. Batteries that can not
hold charge may need to be replaced.
STEP 5 FLOAT
Maintaining the battery voltage at maximum level by providing a constant voltage charge.
STEP 6 PULSE
Maintaining the battery at 95–10 0% capacity. The charger
monitors the battery voltage and gives a pulse when necessary to keep the battery f ully charged.
READY TO USE
The table shows the estimated time for empty battery to 80%
charge
BATTERY SIZE (AH) TIME TO 80% CHARGED
2Ah 2h
8Ah 8h
20Ah 20h
32Ah 32h
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ERROR LAMP
If the error lamp is lit, check the following:
1. Is the chargers positive lead connected
to the battery’s positive pole?
2. Is the charger connected to a 12V
battery?
3. Has charging been interrupted in STEP
1 or step 4?
Restart the charger. If charging is st ill being interrupted, the batte r y…
Step 1: …is seriously sulfated and may need to
be replaced.
Step 4: …can not keep charge and may need
to be replaced.
MAINTENANCE
INSTRUCTIONS
The US 0.8 (1064) is maintenance-free. The charger must not
be opened; doing so will invalidate the warranty. If the power
cable is damaged the charger must be returned to the retailer.
The charger casing can be cleaned using a damp cloth and
mild cleaning agent. Remove the plug from the power socket
before cleaning.
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TECHNICAL SPECIFICATIONS
Charger model US 0.8 (1064)
Model number 1064
Rated Voltage AC 110 –12 0 VA C , 50–60Hz
Charging voltage 14. 4V
Start voltage 2.0V
Charging current 0.8A
Current, mains 0.3A rms (at full charging current)
Back current drain* <1Ah/month
Ripple** <4% of rated current
Ambient temperature -4°F to +122°F (-20˚C to +50˚C), output power is reduced automatically at high temperatures
Charger type Six step, fully automatic charging cycle
Battery types All types of 12V lead-acid ba tteries (WET, MF, Ca/Ca, AGM and GEL)
Battery capacity 1.2–32A h, up to 100Ah for maintenance
Dimensions 5½ x 2 x 1½ inch (L x W x H)
Weight 1 lbs
*) Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers has a very
low back current.
**) The quality of the charging voltage and charging cur rent is very important. A high current ripple heats up the battery which
has an aging effect on the positive electrode. High voltage ripple could harm other equipment that is connected to the battery.
CTEK battery chargers produce very clean voltage and current with low ripple.
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LIMITED WARRANTY
CTEK PowerInc, issues this limited warranty to the original purchaser of this product. This limited warranty is not transferable.
The warranty applies to manufacturing faults and material
defects for 5 years from the date of purchase. The customer
must return the product together with the recei pt of purchase
to the retailer. This warranty is void if the battery charger has
been opened, handled carelessly or repaired by anyone
other than CTEK PowerInc or its authorised representatives.
CTEK PowerInc makes no warranty other than this limited
warranty and is not liable for any other costs other than those
mentioned above, i.e . no consequential damages. Moreover,
CTEK PowerInc is not obligated to any other warranty other
than this warranty.
CTEK PRODUCTS ARE
PROTECTED BY
2011-02-04
PATENTS DESIGNS TRADE MARKS
EP10156636.2 pending RCD 509617 CTM 669987
US12/780968 pending US D575225 CTM 844303
EP1618643 US D571179 CTM 372715
US7541778B2 US D580853 CTM 3151800
EP1744432 pending US D581356 CTM 1461716 pending
EP1483817 pending RCD 321216 CTM 1025831
SE524203 RCD 000911839 CTM 405811
US7005832B2 RCD 081418 CTM 830545751 pending
EP1716626 pending RCD 001119911-0001 CTM 1475420 pending
SE526631 RCD 001119911-0002 CTM 1935061 pending
US7638974B2 RCD 081244 CTM 1042686
EP1903658 pending RCD 321198 CTM 1082141 pending
EP09180286.8 pending RCD 321197 CTM 2010004118 pending
US12/646405 pending ZL 200830120184.0 CTM 4-2010-500516 pending
EP1483818 ZL 200830120183.6 CTM 410713
SE1483818 RCD 000835541-0001 CTM 2010/05152
US7629774B2 RCD 000835541-0002 CTM 766840 pending
EP09170640.8 pending US D596126
US12/564360 pending US D596125
SE528232 RCD 001705138-0001
SE525604 US D29/378528 pending
RCD 201030618223.7 pending
20 016572 A
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SUPPORT
CTEK offers a professional customer support: www.ctek.com.
For latest revised user manual see www.ctek.com.
By e-mail: info@ctek.se, by telephone: (330) 963 - 0981,
by fax (330) 963-0982.
By mail: CTEK PowerInc,
2374 Edison Blvd. Twinsburg
OH 44087-2376 US
Jarl Uggla, President
CTEK SWEDEN AB
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