CTEK M15 - 12V 15A Marine Boat Battery Charger

$276.26 276.26

Seen a lower price?
Let us know and we'll match it!


Free Shipping

Enter your postcode to see if you're eligible




Unfortunately you are in a remote area, head to checkout for shipping costs

Contactless Click'n'collect

Available same day, 9am-5pm Monday-Saturday

15A battery charging for boat owners

The M15 is the perfect 15A 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 M15 comes with a long 4m ­cable with M10 eyelets for easy installation on your boat. *) 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP)


  • 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


Technical data

Battery capacity
28–300 Ah, lead-acid battery types. 20–280 Ah, LiFePO4.
Charging category
AC charging
Back current drain*
Corresponding to less than 2 Ah/month
Back Current Drain, details
*) Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers have a very low back current.
Battery voltage
12 V
Battery chemistry
Lead acid; Lithium-ion
Ambient operating temperature
-20 ˚C to +50 ˚C
220–240 VAC, 50–60 Hz, 1.8 A
14.4/14.7/13.8/15.8 V, 15 A
Battery types
12 V:; WET; MF; AGM; GEL; LiFePO₄
Degree of protection
5 years
Warranty, info
Limited Warranty

CTEK M15 - 12V 15A Marine Boat Battery Charger