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Ctek D250SA Dual Charger Charge Controller

Dual input 20A charger with selectable charge voltages. With award winning Swedish technology, the dual input D250SA allows you to enjoy your vehicle more with maximized battery capacity as the ideal charger for vehicles without access to a mains power supply.

Download specifications sheet here.

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Excl. Tax: R 5,382.61 Incl. Tax: R 6,190.00

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Product Description


The D250SA is a fully automatic, 5 step charger that supplies up to 20A of power to any 12V lead acid service battery from 40-300Ah, including Wet, EFB, MF, Ca/Ca, AGM and Gel. It has selectable charge voltages for AGM batteries and can use power through its dual input from alternator, solar panel and wind power. When the service battery is fully charged, the D250SA will automatically redirect maintenance charge power to the starter battery. The D250SA can maintain a stable output up to 20A to vehicles fitted with smart ECU controlled alternators and also has a temperature sensor for optimised charging, regardless of weather conditions.

  • 20A fully automatic temperature compensated charging for batteries from 40-300Ah while you’re on the move.
  • Dual input (solar and alternator in parallel).
  • Smart alternator compatible.
  • Battery separation replacing diodes and VSR relays.
  • Solar panel regulator with Maximum Power Point Tracking (MPPT).
  • Selectable AGM option – 14.4V or 14.7V.
  • Maximised charging for better battery life and performance.
  • Temperature sensor to compensate for hot or cold conditions.
  • Splash and dust proof (IP65).
  • Compatible with SMARTPASS 120 for the ultimate 140A power management solution.
  • 2-year warranty.

Technical information

  • Ambient temperature: -20˚C to +50˚C.
  • Positioning: Permanent installation / on board.
  • Input: 11.5-23V, 25A.
  • Output14.4/14.7V, 20A max
  • Back current drain: Corresponding to less than 1Ah/month.
  • Battery types 12V: WET, MF, Ca/Ca, AGM, EFB, GEL.
  • Battery capacity: 40-300Ah.
  • Insulation class: IP65.
  • Ripple: Less than 4%.

Additional Information

Additional Information

Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 2 year product warranty
Charge Controller Type MPPT
Charge Controller Amps 20 Amps
Maximum Input Voltage No
Charge Controller Voltage Output 12V
Weight No


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