DC-DC Charging

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SMARTPASS 120S
SMARTPASS 120S
  • Can be fully integrated with D250SE charger
  • Charge from your alternator while driving - 120A continuous alternator power for rapid service battery charging (28–800 Ah)
  • For 12V dual battery systems - vans, motorhomes & 4x4s
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D250SE D250SE
D250SE
D250SE
  • Combines alternator and solar input for unrivaled on-the-move charging flexibility
  • Supports smart alternators, advanced MPPT solar and lithium batteries
  • Robust 20A rapid charging for even the largest leisure batteries (40-300Ah) - camper, boat, RV
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SYSTEM MONITOR 200A
SYSTEM MONITOR 200A
  • Same detailed metrics as the 100A version, but with more headroom
  • Monitors voltage, current (charge/discharge) & state of charge continuously
  • For monitoring large leisure or commercial battery banks up to ~999Ah
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SYSTEM MONITOR 100A
SYSTEM MONITOR 100A
  • Works seamlessly with CTEK D250SE, I1225 & M25 chargers
  • Calculates estimated time left for full charge or run flat
  • For monitoring vans, 4x4 rigs and RV house systems
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SMARTPASS 120T
SMARTPASS 120T
  • Maximise alternator output & protect batteries in larger systems
  • Silent operation with passive cooling - alternative to diode/VSR isolators
  • For 24 V dual battery systems - trucks, buses, large RVs, boats and transporters
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D250T
D250T
  • Alternator-based charging - no mains needed
  • Integrated isolator to protect your starter battery from discharge
  • The choice for dual batteries, heavy electrical loads or off‑grid power needs
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DC-DC Charging DC-DC Charging