CTEK D250SA. 12V 20A DC-DC Battery Charger - Alternator and Solar Inputs

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.

In stock
Product Code
R1360
Special Price $515.00 Regular Price $645.00
You save $10 - $20

CTEK D250SA. 12V 20A DC-DC Battery Charger - Alternator and Solar Input

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 Specs

Voltage Input 11.5-23V, 25A
Max Output 14.4/14.7V, 20A max
Back current drain* Corresponding to less than 1Ah/month
Ambient temperature -20˚C to +50˚C (- 4°F to +122°F)
Battery types All types of lead-acid batteries, 12V, WET, MF, Ca/Ca, AGM, EFB, GEL
Battery capacity 40-300Ah
Warranty 2 years
Insulation class IP65

Q&A's

Q: Which battery sizes can D250SA be used with? 
A: 40-300Ah

Q: Which is the recommended size for solar panels? 
A: The recommended size of panel is 50-300W.

Q:Which fuse size shall I use for D250SA? 
A: 30A

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FOR ORDERS UNDER $199 VALUE:

     Urban Delivery $7.90
     Rural Delivery $12.90

FOR ORDERS OVER $199 VALUE: Free Delivery *

* We reserve the right to revise the free delivery offer on some bulky items (for example a large fridge travelling to Te Anau). In this case we will endevour to offer a subsadised freight cost. If the delivery address is outside the North and South Islands (eg. Waiheke, Great Barrier, Stewart Islands), please contact us for a freight quote.

WE ONLY SEND ORDERS WITHIN NEW ZEALAND. If the delivery address is outside the North or South Islands (eg. Waiheke, Great Barrier, Stewart Islands), please contact us for a freight quote. Our automated online freight pricing only applies to North & South Island locations.

DELIVERY TIMES are estimates only and may be extended by factors outside of our control.

     North Island (1-2 working days)
     North Island Rural (2-3 working days)
     South Island (1-3 working days)
     South Island Rural (2-5 working days)

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