CTEK MXTS 70/50 - 12v / 24v 50a 8 Stage Industrial Lead Acid Battery Charger

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The CTEK MXTS 70/50 is both a high current power supply for memory flashing and a powerful workshop charger. Adopting CTEK's state of the art 8 stage charging process and featuring a user set output current, the CTEK MXTS 70/50 is suitable for almost any battery size. Whether it is a standard passenger vehicle, light trucks and transport to fleet management.

The MXTS 70/50 featuring rich display showing the charge status, charge voltage, current, charge time and energy indication for ultimate battery control. The MXTS 70/50 is purposefully designed for trade and professional auto electricians.


Selectable modes for optimal battery size adaptation.
Selectable power supply program for constant voltage output of 50A at13.6–14.8V/27.2–29.6V.
Patented Desulphation function.
Reconditioning function to restore stratified and deeply discharged batteries.
Unique float/pulse maintenance charging.
Diagnostic features to determine if a battery can receive and retain a charge.
Temperature sensor for optimized charging at all times.
Integrated USB port for parameter upload.

The MXTS 70/50 is a fully automatic 8-step charger that delivers selectable 50A/12V or 50A/24V to batteries from 20–1500Ah for 12V and 20–1 500Ah for 24V. The charger is IP20 classified, housed in heavy duty aluminium for rough environments and designed to protect vehicle electronics. It is non-sparking, reverse polarity protected, and short-circuit proof. The MXTS 70/50 is delivered with a 2-year warranty.


Rated Input Voltage: 220-240v AC, 47-64Hz
Charging voltage Normal Mode 14.4v / 28.8v - MAX: 15.8v / 31.6v
Charging Voltage Supply Mode: 13.6v / 27.2v, 14.0v / 28.0v, 14.4v / 28.8v, 14.8v / 29.6v
Start voltage 2.0v
Mains Current Max: 7.2Arms (at full charging current in 24V)
Back Current Drain: < 1Ah / month
Output Current: Max 50a; 70a in supply 12v
Charger Type: 8 step, fully automatic charging cycle
Battery Types: All types of 12v / 24v lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL)
Battery Capacity: 20-1500 Ah
Dimensions: 338 x 178 x 80mm
Insulation Class: IP20
Weight: 3.3kg (without cables)


Product Videos

Model # 40-015


CTEK offers 2 year manufacturer warranty on this product. Warranty will be void if:

Charger has been used with much higher current and or voltage than designed for and specified in models specifications sheet.
Clear signs of heat on any of the CTEK casing, cables or circuitry.
Used with incorrect voltage or incorrect battery types.
Visible signs of impact or water damage.
CTEK product has been opened by a non CTEK authorised engineer or agent.

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