CTEK Multi XS 3600 Battery Charger
The CTEK 3600 battery charger is ideal for use in cars, caravans, motorhomes, boats and, in fact, just about any vehicle or craft with a battery of up to 125Ah.
Like all models in the CTEK range, it can be safely left connected indefinitely to ensure that a battery is in peak condition when its needed. It is completely safe and can even be left out in the rain.
This model Ctek Battery Charger will charge batteries at a constant rate of 3.6 Amps per hour unlike conventional linear chargers which may be rated at 10 Amps or more but which can rapidly drop down to as little as 1 Amp.
The Ctek XS 3600 battery charger can be set very easily to charge Wet, MF, GEL and AGM lead-acid batteries
Download the Ctek 3600 Battery Charger Manual
TECHNICAL DATA
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| MODEL |
MULTI XS 3600 |
| Input voltage AC |
170-260VAC, 50-60Hz |
| Output voltage |
Nominal: 12V |
| Efficiency |
85% |
| Charging voltage |
14.4V/0.8A, 14.4V/3.6A, 14.7V/3.6A |
| Charging current |
3.6A max |
| Back current drain* |
1.3mA |
| Ripple** |
Max 50mV rms, 0.13A |
| Ambient temperature |
-20°C to +50°C, output power is reduced automatically at higher temperatures. |
| Type of charger |
Four step, fully automatic switch mode with pulse maintenance. |
| Type of batteries |
12V lead-acid batteries (Wet, MF, AGM and GEL) |
| Battery capacity |
1.2 -120Ah |
| Dimensions (L x W x H) |
165x61x38mm |
| Insulation |
IP 65 (splash and dust proof), outdoor use |
| Weight |
0.5kg |
SAFETY FEATURES
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Electronic safe, the charger will not damage vehicle electronics. The battery does not normally need to be disconnected from the vehicle when charging.
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Minimal gas build-up and a patent-pending spark protection system.
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Short circuit and reverse polarity protected. |
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Double insulation. |
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Splash and dust proof (IP65) and approved for outdoor use.
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Progressive temperature protection. |
CHARGING CHARACTERISTICS
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The MULTI XS 3600 has a fully automatic, four step charge:

1. Desulphation Runs a complete charge cycle within a fraction of a second. The cycle repeats during the whole desulphation phase. Every cycle recovers some lead sulphate into useful material.
2. Bulk Charging where 80% of the energy is returned. The charger delivers a constant current until the battery voltage has reached the set level.
3. Absorption Final part of the charge up to 100%. The battery voltage is kept constant at the set level, during which time the current drops gradually.
4. Pulse Maintenance charging. The state of charge varies between 95% and 100%. A pulse is sent out to the battery if the voltage drops. This keeps the battery in trim when not in use. The charger can be connected for months at a time.
Using the MULTI XS 3600 gives your battery an optimum service life and operational reliability.
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