CTEK M25 12V 25A Marine Battery Charger

SKU: M25 Learn More»

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Customer Reviews

"Very good"

Robyn Grucza

Excellent product easy to install.

(Posted on 10 February 2019)

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Product Description

CTEK M25 12V 25A Marine Battery Charger, 5 Year Warranty. The M25 is recommended for boat owners who need quick and effective charging for larger service batteries.

The M25 is the perfect 25A battery charger for all boat owners. It has a range of functions, including a Recond mode for reconditioning deeply discharged Wet and Ca/Ca batteries, and a temperature sensor which optimises the charge if the temperature deviates from +25ºC. It also has a lithium* mode for lithium* batteries. The M25 comes with a long 4m cable with M10 eyelets for easy installation on your boat. *) 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP)

Dedicated Lithium* mode
Compatible with batteries from 40Ah to 500Ah (30Ah to 450Ah 12V lithium*).
Recond program for deeply discharged batteries
AGM program for AGM batteries
Fully automatic and easy to use. Simple to connect, spark proof and reverse-polarity protected.
Compact tough design
IP44 rated, making it suitable for outdoor use
5-year warranty

* 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP)

SAFETY INSTRUCTIONS

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Specifications

SKU M25

Brand CTEK

GTIN 7340103401995

Warranty Period: 5 Years

Product Category Battery Chargers

Output Current Rating (Amps) 25

Model M25

Battery Types WET, MF, AGM, GEL, LiFePO4

Output 14.4/14.7/13.8/15.8V, 25A max

Input 170–260VAC, 50–60Hz, 2.9A max

Battery Capacity Lead-acid battery types: 40–500Ah. | LiFePO4: 30–450Ah.

Output System Voltage 12V

Back Current Drain Corresponding to less than 2Ah/month

Ambient Temperature -20˚C to +50˚C

Start Voltage 2.0V

Insulation Class IP44

Charger Voltage 12V

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Videos

CTEK 8 Step Charging

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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!

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