South Africa's leading Eco Store - Need Assistance? 0861 661 326 or Click Here

Ctek D250SE Dual Charger Charge Controller

The D250SE is a fully automatic, 5 step dual input 20A charger with selectable charge voltages and supplies power to any 12V lead-acid or 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP) battery from 40–300Ah. The selectable charge algorithms for AGM and lithium batteries and can use power through its dual input from alternator and solar panel, when the battery is fully charged, the D250SE will automatically redirect maintenance charge power to the starter battery.

Please download specifications sheet here.

Please review user manual here.

Sign up for price alert
Excl. Tax: R 6,566.09 Incl. Tax: R 7,551.00

Our online Payment Gateway, PayU, offers 100% secure payments online. We also accept payment via EFT or Snapscan.

Secure local and international deliveries with excellent courier partners. Free delivery in Cape Town for R 500 orders or more.

Need Help? With over 15 years experience in the industry we are the right people to ask. Contact us now.

Product Description


The D250SE 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.


  • Battery separation replacing diodes and VSR relays.
  • 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, SMARTPASS 120S for the ultimate 140A power management solution.
  • 2-year warranty.

Technical data

  • Battery capacity: 40–300 Ah.
  • Charging category: DC charging.
  • Back current drain*: Corresponding to less than 1 Ah/month.
  • Battery voltage: 12 V.
  • Battery chemistry: Lead acid; Lithium-ion
  • Ambient operating temperature: -20 ˚C to +50 ˚C.
  • Input: 11.5–23 V, 25 A.
  • Ripple**: Less than 4 %.
  • Output: 14.4/14.7 V, 20 A, lead-acid battery types. 14.2 V, 20 A, LiFePO4.
  • Battery types: 12 V: WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO4.
  • Degree of protection: IP65.
  • Dimensions (L x W x H): 192 x 110 x 65 mm.
  • Weight (unit with cables): 0.7 kg.
  • MPPT: Yes.
  • Warranty: 2 years.

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


Write Your Own Review

Only registered users can write reviews. Please, log in or register

Product Tags

Product Tags

Other people marked this product with these tags:

Use spaces to separate tags. Use single quotes (') for phrases.