CTEK D250SE. 12V 20A DC-DC Battery Charger - Alternator and Solar Inputs
The dual input D250SE allows you to enjoy your vehicle more with maximized battery capacity as the ideal charger for vehicles without access to a mains power supply.
CTEK D250SE. 12V 20A DC-DC Battery Charger - Alternator and Solar Input
The 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 and solar panel. When the service battery is fully charged, the D250SE 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. * 12V lithium batteries (LiFePO4, Li-Fe, Li-iron, LFP)
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
Voltage Input 11.5-23V, 25A
Max Output: 14.4/14.7 V, 20 A, lead-acid battery types. 14.2 V, 20 A, LiFePO₄
Back current drain* Corresponding to less than 1Ah/month
Ambient temperature -20˚C to +50˚C (- 4°F to +122°F)
12V Battery types: WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
Battery capacity 40-300Ah
Warranty 2 years
Insulation class IP65
Q: Which battery sizes can D250SE be used with?
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 D250SE?
FOR ORDERS UNDER $399 VALUE:
Urban Delivery $9.90
Rural Delivery $14.90
FOR ORDERS OVER $399 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 endeavor to offer a subsidized 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 Due to the current outbreak, we are experience some disruptions to our normal service. Order dispatch and delivery times are being impacted by workforce sickness and isolation requirements for staff throughout our team and our supply chain. Although we use many courier options, the below NZ Couriers Network Status will give a good indication which regions are experiencing significant freight delays
As a general rule, please allow an additional 3 working days for the below estimates (which may be extended by factors outside our control).
North Island (2-4 working days)
North Island Rural (3-5 working days)
South Island (2-5 working days)
South Island Rural (3-6 working days)