CTEK D250SE Dual Input DC-DC 20A Smart Battery Charger, Power Bank V219-CTEK-40-315-340

SKU: V219-CTEK-40-315-340
  • Sale
  • $495.00
  • Regular price $569.25
Tax included. Taxes is included and shipping is free.

The CTEK Dual Input D250SE is a fully automatic, 5 step charger that supplies up to 20A of power to any 12V lead-acid or lithium service battery from 40–300Ah. It has selectable charge algorithms for AGM and lithium batteries and can use power through its dual input from alternator, solar panel and wind power.

When the service battery is fully charged, the D250SE battery charger will automatically redirect maintenance charge power to the starter battery. 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.

With award winning Swedish technology, the Dual Input D250SE allows you to enjoy your vehicle more with maximised battery capacity as the ideal charger for vehicles without access to a mains power supply.

The CTEK Dual Input D250SE battery charger features a 2-year warranty. This exclusive combo includes a CTEK Power Bank so that you can charge your electronic devices wherever you go!


  • Brand: CTEK
  • 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 (- 4 °F to +122 °F)
  • Input: 11.5–23 V, 25 A
  • Output: 14.4/14.7 V, 20 A, lead-acid battery types. 14.2 V, 20 A, LiFePO₄.
  • Ripple**: Less than 4 %
  • Battery types: 12 V:; WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
  • Degree of protection: IP65
  • MPPT: Yes
  • Warranty: 2 years


  • 1 x CTEK D250SE Dual Input Battery Charger
  • 1 x CTEK Power Bank
  • 1 x User Manual
  • Note: User Manual is accessible online


  • Gross weight (unit in box): 0.9 kg
  • Dimensions (L x W x H): 192 x 110 x 65 mm
  • Net weight (unit with cables): 0.7 kg


We accept Change of Mind returns for 14 days after you have received the item in cases where you have changed your mind or made an incorrect purchase and wish to return the product. This also applies to orders canceled when the item has already been dispatched from our warehouse. The item must be in a re-saleable condition to qualify for a change of mind refund.

Note: Free shipping is for the capital cities CBD area only (10 kilometers form the CBD) excluding Perth, Darwin, Hobart and ACT. If your post code is not in CBD area, you can still place the order but our support team will contact you for the delivery cost which could be between $20 to $25 maximum for post codes near a capital city, $25 to $45 maximum for WA metro. Bulky items will attract extra cost. You can then decide to pay for the postage or cancel the order. You can contact us for NT, WA regional and remote/outback areas for the postage quote.

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