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CTEK MXS 25 12V 25A Battery Charger and Maintainer


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CTEK MXS 25: Equipped with All Necessary Features and Functions to Solve a Broad Range of Battery Related Problems!


The MXS 25 is a professional 12 V charger. It offers efficient and fast charging and is ideal in workshops, caravans, RVs and boats. The MXS 25 is equipped with all necessary features and functions to solve a broad range of battery related problems. It offers features such as battery diagnosis that shows if a battery can receive and retain a charge, a special reconditioning function that restores stratified and deeply discharged batteries, unique maintenance charging, and a temperature sensor for optimised charging regardless of the weather conditions. It also has a power supply mode which allows the battery to be disconnected from the vehicle without losing important configurations.

The MXS 25 is a fully automatic 8-step charger that delivers 25 A to 12 V batteries from 40–500 Ah. The charger is IP44 classified (outdoor use), designed to protect vehicle electronics, non-sparking, reverse polarity protected, and short-circuit proof. It is delivered with a 2-year warranty.

  • Fully automatic for optimal charging
  • For all lead-acid batteries
  • Fully charged battery
  • Maintenance charging
  • Temperature sensor
  • Recondition of deeply discharged batteries
  • Use the charger as a power supply

CTEK MXS 25 Features:

  • Temperature compensated and fully automatic charging and maintenance in 8 steps maximizes battery life and performance
  • Power Supply that simplify battery replacement without losing vehicle memory
  • Patented maintenance charge for a unique combination of maximized life and performance
  • Recondition of deep discharged batteries
  • Patented desulphation that extends the battery life
  • No sparks, short-circuit proof and reverse-polarity protected for untroubled usage
  • Automatic detection of end-of-life batteries that eliminates surprises

CTEK MXS 25 Specifications:

  • Charger model MXS 25
  • Model number 1055
  • Rated Voltage AC 220–240VAC, 50–60Hz
  • Charging voltage NORMAL 14.4V, RECOND 15.8V, SUPPLY 13.6V
  • Start voltage 2.0V
  • Charging current 25A max
  • Current, mains 2.9A rms (at full charging current)
  • Back current drain* <1Ah/month
  • Ripple** <4%
  • Ambient temperature -20°C to +50°C, output power is reduced automatically at high temperatures
  • Charger type 8-step, fully automatic charging cycle
  • Battery types All types of 12V lead-acid batteries
  • (WET, MF, Ca/Ca, AGM and GEL)
  • Battery capacity 40―300Ah up to 500Ah for maintenance
  • Dimensions 235 x 130 x 65mm (L x W x H)
  • insulation class IP44
  • Weight 1.9kg

What’s in the Box:

  • CTEK MXS 25 Battery Charger and Maintainer
  • Temperature Sensor
  • CTEK Clamp

CTEK MXS25 Specs

Weight 1.9 kg
Dimensions 23.5 × 13 × 6.5 cm

CTEK: The Power Behind Efficient Battery Management

CTEK, a prominent name in the world of battery technology, has established itself as a global leader in the design and manufacture of innovative battery chargers and accessories.

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