CTEK M100 12V 7A Battery Charger


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Product Description

The all in one marine charger and power supply

Flexible charging

The smart and flexible M100 is perfect for tough marine environments.

The M100 8-step 12V battery charger and maintainer comes with a range of accessories for use with different types of battery. Its three selectable program modes make it suitable for use with 14-225Ah batteries and AGM batteries, and it can automatically detect whether your battery is near the end of its life. The M100 also has a Recond mode for reconditioning deeply discharged batteries and it can even be used as a 12V supply source, for example, if you need to remove the battery without losing your settings.

  • Charges batteries between 14-150Ah and up to 225Ah for maintenance charging
  • Optional cold weather/AGM mode
  • Three programs – Normal, AGM and Recond
  • Can also be used as a 12V power source to protect electrical settings
  • Automatically detects end of life batteries
  • Compact tough design
  • Fully automatic 8 step charging for maximum performance and extended life
  • Splash proof and dust proof (IP65)
  • Safe spark free operation
  • Short circuit proof
  • Reverse polarity protection
  • No harmful galvanic currents
  • 5 years warranty

CTEK Product Brochure

CTEK Product Manual


SKU M100

Brand CTEK

GTIN 7350009566148

Warranty Period: 5 Years

Product Category Battery Chargers

Model M100

Output Current Rating (Amps) 7

Start Voltage 2.0V

Output System Voltage 12V

Output 14.4V, 7.0A max

Dimensions 191 x 89 x 48 mm (L x W x H)

Charger Voltage 12V

Net Weight (kg) 0.8

Ambient Temperature -20˚C to +50˚C

Battery Capacity 14–225Ah

Insulation Class IP65

Back Current Drain Corresponding to less than 1Ah/month

Input 220-240VAC, 50-60Hz

Battery Types All types of lead-acid batteries, 12V, WET, MF, AGM, GEL


Tutorials - CTEK Lithium XS - Unboxing


Tutorials - CTEK Lithium XS - How to connect


Tutorials - CTEK Lithium XS - Charging


CTEK 8 Step Charging




Product Q&A

Ask Us a Question
  • What size battery charger do I need for my lead acid battery I have in my camper?

    A good battery charger rule of thumb for charging a lead acid battery, is using a charger with output current (amps) of 10-20% of the battery total stored capacity (Ah).

    So, for example if the battery is 12V 100Ah, the charger need to be minimum of 10A and maximum of 20A.  Often splitting the difference at 15% (so a 12V ~15A charger) is a good option. Happy charging!


    For details relating to this product's warranty CLICK HERE


    For details relating to our delivery process CLICK HERE

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