CTEK MXTS40 - 40 Amp Battery Charger

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The CTEK MXTS 40 is essential equipment that is suitable for universal use in the 12V and 24V vehicle workshop or showroom. It is a simple to use, electronically safe battery charger with rapid charging for all chemistries. Equally suited to battery support, the CTEK MXTS 40 provides selectable constant voltage settings to avoid ECU damage due to voltage fluctuation during programming. In addition to the 8 step charge progress display, the OLED display is easy to see and provides clear readouts of important charge parameters including current, voltage and amps charged. Highly portable the MXTS 40 comes with 2.5 meter cables and detachable clamps.


The MXTS 40 is IP20 classified, housed in heavy duty polycarbonate for rough environments and designed to protect vehicle electronics. It is non-sparking, reverse polarity protected, and short-circuit proof.


The MXTS 40 is delivered with a 2 year warranty.

Ideal for workshop and showroom use

40A/12V and 20A/24V output

Electronically safe multi step rapid charging

Selectable constant voltage power supply to ECU’S

Temperature compensation and battery reconditioning functions

Heavy duty 2.5m detachable charge cables and clamps

Compatible with PRO accessories

2 year warranty

Rated Voltage AC220–240VAC, 50–60Hz, 3.0A
Start voltage2.0 V
Back current drain<1Ah/month
OutputSelectable, max 40A/12V or 20A/24V
Ripple<4% of actual DC current
Ambient temperature-20 – +50 °C (-4 – +122 °F)
Charger type8 step, fully automatic charging cycle
Battery typesAll types of 12V/24V lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL)
Battery capacity12V: 20–1200Ah, 24V: 10–600Ah
Insulation classIP20
Weight1.3kg without charge cable
Garanti2 years

Battery Charger Amps40A
IP RatingIP20
Display Read OutYes
FeatureEight Step Charging
Warranty2 Yrs
Weight1.3 Kg

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    3.I am after a battery charger for caravan 12v 30 amp charging 2 batteries what do you recommend?

    The best options would be Victron, Eneredrive or Sterling all of these brands have battery chargers with Multi Battery Outputs.

    Then it comes down to the size, remote control functions, bluetooth options as to which would best work for your application.

    Our Technical Team is more than happy to help you out. 

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