Battery charger Ctek M45 12V 3.6A

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Only UE compatible

3.6A - 12V for max. battery: 75Ah


5 years warranty


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Only UE compatible

Even small boats with 12V batteries (7-75 Ah and up to 120 Ah for maintenance charging) require a charger designed to withstand the harsh marine environment. The M45 is a high quality 4-stage charger that integrates unique features such as desulphation and a safe maintenance charge between seasons.

It offers different charging programs: a program for small batteries (about 7-30 Ah) provides 0.8A, a program for normal size batteries (about 40-75 Ah) and a program for AGM batteries, which require a slightly higher charging voltage of 14.7 V instead of the usual 14.4 V, which provides 3.6 A.

IP65 rating means that the M45 is protected from splashes and dust. It does not produce any harmful galvanic current, is fully compatible with the boat's electronics and has been developed to provide a safe charge: it does not produce sparks, is protected against polarity reversal and short circuits. The M45 is covered by a five-year warranty.


Cooling system : Natural convection
Volt : 12 V
Rated AC voltage : 220-240VAC, 50-60Hz
Charging voltage : SMALL, NORMAL: 14.4 V, COLD/AGM: 14.7 V
Minimum battery voltage : 2.0V
Charging intensity : 3.6A maximum
Sector intensity : 0.65A RMS (for full charge current)
Leakage current :
Waviness :
Type of charger : -20°C to +50°C, the output power is automatically reduced at high temperatures
Type of charger : Automatic charging in 4 steps
Types of batteries : All types of 12V lead-acid batteries (wet, MF, Ca/Ca, AGM and most gel batteries)
Battery capacity : 7 to 75Ah, up to 120Ah in maintenance
Dimensions (W x D x H) : 165 x 61 x 38 mm
Insulation class : IP65
Weight : 0.5kg

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