The CTEK MXS 7.0 is a fully automatic 8-step battery charger and maintainer for 12V lead-acid batteries, delivering up to 7.2A at 14.4, 14.7, 15.8, or 13.6 volts. It charges batteries from 14 to 150Ah and maintains batteries up to 225Ah, making it well suited to larger car, truck, RV, boat, and commercial batteries. Along with the standard charging steps it includes a reconditioning mode for stratified and deeply discharged batteries, a winter program for cold-weather charging, and a supply mode that lets it act as a 12V power source of up to 7A for changing a battery without losing vehicle settings. It runs connect-and-forget, is reverse-polarity and short-circuit protected, and is rated IP65. CTEK backs it with a 5-year warranty.
- Type: fully automatic 8-step charger and maintainer
- Output: 7.2A at 14.4/14.7/15.8/13.6V, 12V
- Charges: 14-150Ah; maintains up to 225Ah
- Battery types: WET, MF, Ca/Ca, AGM, GEL
- Reconditioning mode plus a cold-weather winter program
- Supply mode: 12V power source up to 7A
- Reverse-polarity and short-circuit protected, IP65
- Warranty: 5 years
- Part number: CTEK56-353
FAQ
What size batteries does the CTEK MXS 7.0 handle?
It charges 12V batteries from 14 to 150Ah and maintains batteries up to 225Ah, so it fits larger car, truck, RV, boat, and commercial batteries.
What is supply mode?
Supply mode turns the charger into a 12V power source of up to 7A, which lets you swap a battery without losing radio and computer settings.
Does it have a winter setting?
Yes. It includes a winter program tuned for charging in cold conditions, plus a reconditioning mode for tired batteries.
Is it safe to leave connected?
Yes. It runs connect-and-forget with maintenance charging, and it is reverse-polarity and short-circuit protected with an IP65 rating.
