Can I use a CTEK D250S Dual in a vehicle with a smart alternator?

You can use a CTEK D250S Dual in a vehicle with a smart alternator, provided you have an automotive relay installed.

CTEK Sweden have devised a simple solution for using your CTEK D250S Dual with a smart alternator. By including a 30A automotive relay into your system, you can successfully install a CTEK D250S Dual into your modern vehicle with a smart alternator.

The CTEK D250S Dual DC-DC charger will charge, condition and maintain your dual battery system, with the ability to charge from both your alternator while your vehicle is running, and your solar panels while your vehicle is turned off. The relay is designed to go between these two power sources and your CTEK D250S Dual, and is activated by vehicle ignition. Allowing the CTEK D250S Dual to work with a smart alternator.

These relays are available on request from Bainbridge Technologies or your local stockist

Please see the diagram below to get an idea how to incorporate the automotive relay into your system.

d250s with smart altenator2

Bainbridge Technologies recommends speaking to your installer for the best solution for your vehicle.

Click here to learn more about the CTEK D250S Dual. | Click here to find your nearest stockist.

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Bainbridge Technologies brings together more than 25 years of DC and AC power systems expertise and reliable, world class products to support your business objectives with specialised off-grid power storage systems.