Technical Specifications; Ready To Use - CTEK XS 0.8 Manual

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tEchNicAL sPEcificAtiONs

charger model
XS 0.8
Model number
1047
Rated Voltage Ac
220–240VAC, 50–60Hz
charging voltage
14.4V
2.0V
start voltage
charging current
0.8A max
0.2A rms (at full charging current)
current, mains
Back current drain*
<1Ah/month
<4%
Ripple**
Ambient
-20°C to +50°C, output power is reduced
automatically at high temperatures
temperature
charger type
Six step, fully automatic charging cycle
Battery types
All types of 12V lead-acid batteries
(WET, MF, Ca/Ca, AGM and GEL)
Battery capacity
1.2―32Ah up to 100Ah for maintenance
dimensions
145 x 55 x 38mm (L x W x H)
IP65
insulation class
Weight
0.4kg
*) 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 current 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.
EN
20016125A XS 0.8, Manual LOW7, Print file 002.indd 4
ERROR LAMP
If the error lamp is lit, check the following:
1. is the chargers positive lead connected to the
batterys 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 still being interrupted, the
battery...
stEP 1: ...is seriously sulphated and may need to be replaced.
stEP 4: ...can not keep charge and may need to be replaced.

REAdy tO usE

The table shows the estimated time for empty battery to 80% charge
BAttERy siZE (Ah)
2Ah
8Ah
20Ah
32Ah
tiME tO 80% chARgEd
2h
8h
20h
32h
2011-02-16 14:21:24

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Questions and answers

Andrew Watts
February 26, 2025

with a flat charge batter on motorcycle amber light flashing when connected to battery and mains on the light is flashing on the half battery symbol next to the fully charged symbol

1 comments:
Mr. Anderson
February 26, 2025

The CTEK XS 0.8 charger has a multi-step charging process. A flashing amber light typically indicates that the charger is in the desulfation or bulk charging phase. If the battery is very flat, the charger may take time to reach a sufficient voltage before proceeding to the next stage. If the light continues to flash for an extended period, the battery may be too deeply discharged or damaged.

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