Ctek 40-257 140A Off Grid Pack

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  • Regular price £629.95

CTEK 40-257 140A Off Grid Pack General Information

The Off Road charging system package includes the on-board charger D250Sa as well as the Smartpass 120 battery management system as well as a separate system monitor. Together the ultimate 12 V on-board power system. Proven in off-road vehicles, commercial vehicles such as rescue vehicles, campers etc. Perfect charge for both the starter battery as well as the additional battery. Perfect control over the condition and range of your dual battery system.

CTEK D250SA DUAL General Information

  • Input voltage: 11.5-23V, 25A
  • Output voltage: 14.4V, 20A max
  • Charging current: 20A
  • Ripple: <4%*
  • Ambient Temperature: -20 deg.C to +50 deg.C
  • Charger Type: fully automatic 5-stage charger
  • Batteries: Suitable for all types of 12V lead-acid batteries (Wet, MF, AGM and GEL).
  • Battery size: 40-300Ah
  • Dimensions (L x W x H): 192x110x65 mm (LxWxH)
  • Insulation: IP 65

With award winning Swedish technology, the dual input D250SA allows you to enjoy your vehicle more with maximized battery capacity as the ideal charger for vehicles without access to a mains power supply.

The D250SA is a fully automatic, 5 step charger that supplies up to 350A of power to any 12V lead acid service battery from 40-300Ah, including Wet, EFB, MF, Ca/Ca, AGM and Gel. It has selectable charge voltages for AGM batteries and can use power through its dual input from alternator, solar panel and wind power. When the service battery is fully charged, the D250SA will automatically redirect maintenance charge power to the starter battery. The D250SA can maintain a stable output up to 20A to vehicles fitted with smart ECU controlled alternators and also has a temperature sensor for optimised charging, regardless of weather conditions.


CTEK Smartpass General Information

  • Input voltage: 11.5–23V, 120A max (350A temporarily for 10 seconds)
  • Output voltage: Max. 14.4V, 120A (350A temporarily for 10 seconds)
  • Back current drain: Less than 7Ah/month
  • Charging current: 120A
  • Ambient Temperature: -20°C to +50°C
  • Batteries: All types of lead-acid batteries, 12V, WET, MF, Ca/Ca, AGM, EFB, GEL
  • Battery size: 28-800Ah
  • Dimensions (L x W x H): 192x110x65 mm (LxWxH)
  • Insulation: IP 65
  • Weight: 0.74 kg

Smartpass 120 charges and supplies the service battery and equipment with 120A, separates critical equipment from non-critical equipment ensuring that radio, emergency lights and navigation systems always have power.

Smartpass 120 is a 120A Power Management Solution which distributes, controls and maximises the available energy from your alternator to power service batteries and consumers. SMARTPASS 120 handles all 12V batteries between 28-800Ah. The Smartpass 120’s Battery Guard function ensures that critical equipment such as radio, emergency lights and navigation systems always have power and take priority when the voltage on the service battery is low disconnecting non-critical consumers. The unit’s Battery Guard will protect your service battery from total discharge and built in over temperature protection reduces charge current before the battery temperature gets too high. SMARTPASS 120 is compatible with the D250SA 20A on board charger.