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Nemo DDX1230 MPPT Controller with DC to DC (Battery to Battery) charger for smart alternators/Euro 6 engines




The NEMO DDX1230 is a 12V battery to battery charger (also known as DC-DC charger) with charging of your leisure battery from a vehicle’s alternator, whilst simultaneously accepting a charge from your solar panel. It is a cost effective and efficient way of charging your leisure battery from both the vehicle’s alternator and a solar panel.

NEMO is compatible with standard and smart variable voltage ECU controlled alternators (Euro 5 or 6). For use with both lead acid or lithium batteries, it uses a multi-stage charging profile which provides optimal charging of your battery ensuring maximum lifespan and performance.

  • Compatible with standard and smart alternators – Euro 5 or 6.
  • TBB premium multi-stage charging algorithm.
  • MPPT Solar Charge controller
  • Built in automatic temperature and voltage compensated battery charging.
  • Suitable for most battery types including AGM, GEL and Lithium – user selectable.
  • Compact and Waterproof, IP63 rated.
  • Simple LED indicator. Easy to install saving on installation time.
  • Wide operating temperature -20℃~+60℃.
  • Acts as battery isolator between starter and auxiliary battery.
  • E-mark approval.
  • 2-year warranty.


Lithium battery compatible The Nemo battery to battery charger is suitable for use with lithium batteries that require a different charging profile to lead acid. Built in temperature compensated charging ensures lithium batteries are charged with an optimum charging algorithm which is important when for lithium batteries in a cold environment.

Can be ordered either individually or as part of a kit, which includes  premade cabling and connectors, etc.

Additional information


Charger Only, 1m Kit, 2m Kit, 3m Kit, 4m Kit, 5m Kit, 6m Kit, 7m Kit, 8m Kit, 9m Kit, 10m Kit


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