

🔌 Charge smarter, drive further — never get left behind!
The CTEK D250SE is a compact, fully automatic 20A dual-input charger designed for 12V lead-acid and LiFePO4 batteries (40–300Ah). Featuring selectable charge algorithms, MPPT solar optimization, and smart alternator compatibility, it ensures efficient, safe, and climate-adaptive charging. Its intelligent design protects sensitive electronics and supports simultaneous service and starter battery maintenance, backed by a 2-year warranty.




| Manufacturer | CTEK |
| Brand | CTEK |
| Model | CTEK D250SE (40-315), DUAL INPUT 20A CHARGER WITH SELECTABLE CHARGE VOLTAGES |
| Item Weight | 1.54 pounds |
| Product Dimensions | 7.6 x 4.3 x 2.6 inches |
| Country of Origin | China |
| Item model number | 40-315 |
| Exterior | Machined |
| Manufacturer Part Number | 40-315 |
| OEM Part Number | 40-315 |
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