The CTEK D250SE Smart Charger is ideal for RV or other off-grid vehicle owners without access to a mains power supply. This DC-to-DC 20-Amp charger is designed for a dual battery system using a starter battery and service/auxiliary battery. Charge your service battery while on the move!
Charge, Condition and Maintain 12V Lithium or Lead/Acid Batteries
20A fully automatic temperature-compensated charging for batteries from 40-300Ah
Compatible with both normal and smart alternators
Dual input (alternator, solar or both in parallel)
Screw terminals make it easy to connect inputs and outputs
Selectable lithium and lead-acid mode
Solar panel regulator with Maximum Power Point Tracking (MPPT)
5-Step charging program
Can be mounted
Works great with our V1 and V2 Deep Cycle Batteries
SKU: BC-CTK-D250SE