With award winning Swedish technology, the dual input D250SE which has now replaced the D250SA  with added connection to lithium batteries can draw its power from smart alternators andother DC sources, making it the ideal charger for vehicles that don’t have access to a mains power supply. Its dual input capability means it can draw power from solar and wind sources, in parallel to the alternator.


The D250SE is a fully automatic, 5 step charger that supplies up to 20A of power to charge, condition and maintain any 12V lead acid service battery from 40-300Ah, including Wet, MF, Gel, AGM. EFB and Ca/Ca & lifepo4 Lithium.


The D250SE uses patented technology so it’s safe for you and your vehicle’s electronics. It’s also IP65 classified splash and dust proof, and suitable for outdoor use and comes with a 2-year warranty.



FASTER CHARGING


The D250SE automatically delivers the optimum charge so your batteries are fully charged in the shortest possible time. You can select normal or 14.7V AGM charge voltages. It also has a temperature sensor to compensate for hot or cold conditions and

avoid the risk of your battery overheating or overcharging.


DIRECT CONNECTION FOR SOLAR POWER

The D250SE has an input for connecting solar panels without the need for a regulator. It also features a Maximum Power

Point Tracker (MPPT) to get the maximum power out of your solar panels.


SMART ALTERNATOR COMPATIBILITY

Vehicle manufacturers are now introducing smart ECU (Engine Control Unit) controlled alternators to increase fuel efficiency

and lower emissions. Smart alternators deliver a variable out-put and are shut off when they’re not needed.

The D250SE will still operate even if the smart alternator is shut off and maintain a stable output of up to 20A to fully

charge your battery in the shortest time.


FEATURES

• 5 step charging from smart and conventional alternators and DC sources, such as solar and wind

• Automatic battery separator works without the need for diodes or VSR relays

• Selectable AGM mode for AGM batteries

• Parallel input from both alternator and solar panel

• Solar panel regulator with Maximum Power Point Tracking (MPPT)

• Starter battery maintenance charging when your service battery is fully charged



Please click HERE for more information


Please click HERE for wiring guide


 



Additional Solar Panel MPPT Information for Ctek D250SE


Max open circuit voltage from panel is only 23v


A higher voltage will damge the charger and will invalidate warranty



Top quality campervan wiring kit supplied with everything needed to charge a leisure battery 

Ctek D250SE 12v 20amp battery to battery charger.

Distribute power via the 6 or 12 way fuse box + twin core cable


This kit contains the following items

Ctek D250SE battery to battery charger + wiring

6 or 12 way fuse box kit + wiring 

10 mtrs flat twin core cable 2mm² 25amp

optional piggy back fuse for ignition live feed for charger

 

Simply Select kit length from the drop down menu above for the distance between the main starting battery to the leisure battery location

 


B2BCharging Kit Specifications:


1 x CTEK D250SE 20amp Charger

1-8mtrs 10mm² 70amp Red Battery Cable

2mtrs 10mm² 70amp Black Battery Cable

5mtrs 1.5mm² 15amp Red optional ignition cable

1 x Pair 8mm Post Type Battery Terminals

2 x Midi Fuse Holders + 4 x 30amp Midi Fuses

1 x Pack Terminals + Heat Shrink

10 x  Cable tie bases

15 x cable ties 150mm

15 X 8x3/4 screws + 3mm HSS drill bit

2 x adhesive pads 

1-8mtrs protective conduit to suit 10mm² cable

Wiring diagram



Fuse Box KIt


  • 1 x 6 or 12 Way Fuse Box

  • 1.25mtr Red 70amp 10mm² Cable

  • 1mtr Black 70amp 10mm² Cable

  • 1 x strip link fuse holders + 2 x 60amp fuses

  • 3 x each 5amp,10amp,15amp & 20amp Blade Fuses

    • 24 x 4mm blue insulated ring terminals
    • Termianl Pack with Heat Shrink



      Flat twin core cable


      10 mtrs

      Conductor spec: 28/0.30
      Cable size: 2 x 2.00mm2 (15 AWG)
      Nominal current rating: 25Amps
      Dimensions: 3.9mm x 6.5mm
      Colour (outer): Black
      Colour (inner): Red & Black


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      Campervan Wiring Kit with Ctek D250SE Battery to battery Charger + Fuse Box

      • £323.20

      • Ex Tax: £269.33

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