The CTEK Dual Input D250SE is a fully automatic, 5-step charger that delivers up to 20A of power to any 12V lead-acid or lithium service battery ranging from 40–300Ah. It features selectable charging algorithms for AGM and lithium batteries and can utilize power from alternators, solar panels, and wind sources through its dual input capability.

Once the service battery is fully charged, the D250SE automatically redirects maintenance charge power to the starter battery. It can maintain a stable output of up to 20A for vehicles equipped with smart ECU-controlled alternators and includes a temperature sensor for optimized charging in any weather condition.

With award-winning Swedish technology, the Dual Input D250SE maximizes battery capacity, making it an ideal charger for vehicles without access to mains power. This exclusive kit also includes a CTEK Cooler Bag, perfect for your journeys. Order your exclusive CTEK D250SE + Cooler Bag Kit today!

Specifications

Brand: CTEK
Ambient Temperature: -20˚C to +50˚C (-4°F to +122°F)
Positioning: Permanent installation/onboard
Input: 11.5-23V, 25A
Output: 14.4/14.7V, 20A max (lead-acid battery types), 14.2V, 20A max (LiFePO₄)
Back Current Drain: Less than 1Ah/month
Battery Types: 12V, WET, MF, Ca/Ca, AGM, EFB, GEL, LiFePO₄
Battery Capacity: 40-300Ah
Insulation Class: IP65
Ripple: < 4%
Warranty: 2 Years

In the Box

• 1 x CTEK D250SE Dual Input Battery Charger
• 1 x CTEK Cooler Bag
• 1 x User Manual

Size & Weight

Carton Weight: 2kg
Carton Dimensions (W x L x H): 47 x 35 x 12cm
Product Weight: 0.7kg

SKU: CTEK-40-315-067-KIT