CTEK MXS3.8 is a fully automatic 7-step Battery Charger that charges 12V batteries, CTEK, MXS3.8


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Product Model:MXS3.8
Product Name:CTEK MXS3.8 is a fully automatic 7-step Battery Charger that charges 12V batteries, CTEK, MXS3.8
Manufactured By:CTEK


Information Link: MXS3.8.pdf

The CTEK MXS3.8 Sealed Lead Acid battery charger is a fully automatic 7-step Battery Charger that charges 12V batteries.

The CTEK MXS 3.8 is a fully automatic 7-step charger that charges 12V batteries from 1.2Ah – 85Ah and is suitable for maintenance charging up to 130Ah

The MXS 3.8 is an advanced microprocessor controlled battery charger with patented Float/Pulse maintenance for use on batteries from 1.2Ah up to 85Ah. The MXS 3.8 solves a broad range of battery problems and is the ideal charger for everyday use.

Features of the MXS3.8 include diagnosis of battery condition to establish if it can receive and retain charge, patented automatic desulphation programme and a special ‘Snowflake’ mode for optimum charging on cold winter days. Patented Float/Pulse maintenance means the MXS 3.8 ideal for long-term maintenance. The entire process of battery testing, charging and maintenance is easily followed on the clear LED display.

The MXS 3.8 is a fully automatic ‘connect and forget’ 12V charger with 7 charging steps and offers selectable 0.8A, and 3.8A programes. The ‘Snowflake’ modes operates on the 3.8A programe. Wide charging range on all lead-acid battery types from 1.2Ah up to 80Ah with additional maintenance capability to 130Ah. Splash proof and dust proof (IP65). The MXS 3.8 is easy and safe to use, protects vehicle electronics, is spark-free, reverse polarity protected and short circuit proof. The MXS 3.8 features a 5 year warranty.

The MXS 3.8 is a proven and reliable charger. It offers important features such as desulphation, maintenance charging and cold mode for optimised charging during cold winter days.

Check out our full list of CTEK chargers by filtering or searching by brand.
Or check out the CTEK website here.

40 Years Experience Ctek Logo MXS 3.8
SIMPOWER is at the forefront of battery technology. With 40 years of expertise and experience in research contracts, design and developing of both new technology cells and specialist industrial battery applications.

In other words from concept of cells to production manufacturing, SIMPOWER knows how to achieve customer satisfaction.

Own Manufacturing
SIMPOWER has its own manufacturing plant with state of the art welding and manufacturing equipment servicing all parts of New Zealand from the southern to northern end of the country with a quick efficient service. They offer free technical advice* on battery selection and pack design and have extensive technical advice.

SIMPOWER offers a unique facility and service of repacking battery packs for equipment which is no longer produced or perhaps difficult to source. Where possible they replace existing cells with increased capacity batteries to improved customers run time and service life if possible.

* Advice is free for the first 60 minutes, or part thereof. All subsequent advise will be billed at the SIMPOWER hourly rate or an agreed amount, subject to subsequent sales.

SIMPOWER has extensive knowledge and expertise of cells and battery pack build and is an exclusive distributor in NZ for SAFT, a world leader and innovator in cell technologies, as well as an approved distributor for PANASONIC, SENTRY, EVE, ARTS Energy and a supplier of FDK, DURACELL, Sonnenschein among others. SIMPOWER carries a wide range of many brands in stock and has the ability to source all leading brands from the global market place.

Contact us to discuss your requirements further.


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Technology Charged:Sealed Lead Acid
Standard Charge Current:
Standard Current Charge Time:
Quick Charge Current:


Length:16.5 cm
Width/Diameter:6.1 cm
Height:3.8 cm
Cell Profile:


Compatible Parts:
Compatible Models:
  • CTEK MXS3.8
  • MXS 3.8