CTEK M15
The CTEK M15 is a battery charger with a recommended capacity of 28–300 Ah and an ingress rating of IP44.
Last updated: 22 October 2026
What battery it needs
- Amp-hours the maker recommends
- 28–300 Ah, lead-acid battery types. 20–280 Ah, LiFePO4.
“Battery Capacity 28–300 Ah, lead-acid battery types. 20–280 Ah, LiFePO4.”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Battery and charging
- Battery types it states
- Lead acid,Lithium-ion
- Charger mains input
- 220–240 VAC, 50–60 Hz, 1.8 A
- Charge method
- AC charging
- Battery types supported by the charger
- 12 V:,WET,MF,AGM,GEL,LiFePO₄
Row from the maker’s page: “Battery chemistry” | “Lead acid,Lithium-ion”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Row from the maker’s page: “Input” | “220–240 VAC, 50–60 Hz, 1.8 A”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Row from the maker’s page: “Charging Category” | “AC charging”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Row from the maker’s page: “Battery types” | “12 V:,WET,MF,AGM,GEL,LiFePO₄”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Battery care and safety
- Operating temperature range
- -20 ˚C to +50 ˚C
- Ingress protection
- IP44
Row from the maker’s page: “Ambient operating temperature” | “-20 ˚C to +50 ˚C”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Row from the maker’s page: “Degree of protection” | “IP44”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Compatibility
- Cable length and connector
- 4 m cable with M10 eyelets
“4 m cable with M10 eyelets for easy installation on board”
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Sources
- M15 AUArchived document
Source: ctek.com/au/battery-chargers-12v-24v/application/leisure-sport/marine/m15-au
Retrieved October 10, 2026