12V25A Ctek Marine Charger

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CTEK M300 MARINE 12V - 25A + FREE XS-800

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Ctek's M300 Marine Battery Charger is the charger we recommend for boats with both start and service batteries. Accompanying M300 is the maintenance charger M300starter which solely takes care of the start battery. The 25A-charger can then give maximum charging to the service batteries. The charger has a four metre long secondary cable and a temperature sensor for optimised charging irrespective of temperature, which gives extra flexibility in permanent installations. Ctek's M300 is a fully automatic 8-step charger that supplies 25A and is ideal for batteries between 40-500Ah.
Ctek's M300 analyses whether the battery can accept and retain the charge, it removes harmful lead sulphate crystals, gives an effective charge and automatically switches to safe maintenance charging when the battery is fully charged. 

The practical Recond mode reconditions the battery following deep discharge cycles, which can occur after a long day at sea. If you intend to stay overnight onboard you can switch to Night mode for silent charging.

IP44 classification means M300 is approved for outdoor use. It does not generate any harmful galvanic currents, is fully protected from producing voltages that can 
  damage the vehicle’s electronics and has been developed to offer safe charging:  non-sparking, reverse polarity protection and short circuit proof.  

 Ctek's M300 comes with a five year guarantee.
        Input Voltage                  220-240vac, 50-60hz
        Output Voltage               14.4v
        Charging Current              25amp
        Charger Type                   8 step, fully automatic switch mode with
                                                   pulse maintenance
         Batteries                         12v lead acid, WET, MF, AGM, Calcium and GEL
         Battery Size                    40-500Ah  
      Ctek M300 Marine Battery Charger Manual  
      Ctek M300 Marine Battery Charger Fact Sheet

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