CTEK D250SE Battery to Battery Charger

CTEK D250SE Battery to Battery Charger

£234.84
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SKU:
STK65
SPLIT CHARGE · DUAL INPUT (DC-DC + SOLAR)

CTEK D250SE Dual-Input DC-DC Charger

✓ Built-in MPPT Solar✓ 20A DC-DC✓ Smart Alternator Ready✓ 8-Stage Charging
Dual-input charger combining DC-DC alternator charging and MPPT solar in one compact unit

Charges your leisure battery from the alternator whilst driving and switches seamlessly to solar power when parked. This CTEK dual-input charger features an integrated MPPT solar regulator that optimises solar power harvest without needing a separate controller. It automatically selects the best available power source to keep your batteries safely topped up at all times. If you want off-grid energy independence from a simple, all-in-one unit without building a multi-component system, this is the ideal choice.

  • Dual input — alternator + solar in one device
  • Built-in MPPT solar controller (up to 20A, max VOC 23V)
  • 20A DC-DC charging from alternator
  • Smart alternator compatible
  • 8-stage charging including maintenance mode
  • Works with AGM, gel, and lithium batteries
  • Compact — ideal where space is tight

🔧 Tech Specs

Shared
  • Model : CTEK D250SE
  • DC-DC Output : 20A from alternator
  • Solar Output : 20A MPPT (max VOC 23V, up to ~200W panel)
  • Charge Profile : 8-stage (bulk → absorption → float → maintenance)
  • Battery Compatibility : AGM, gel, lithium (configurable)
  • Smart Alternator : Yes
  • Bluetooth : No (CTEK app via optional SmartPass)
  • Solar Input : Yes — built-in MPPT, max 20A, max VOC 23V
  • Dimensions : 142 × 69 × 186mm
  • Weight : 1.1kg
  • Warranty : 5 years (CTEK)

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Vendor: Rayne Automotive
Type: Components
SKU: STK65

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