CTEK DS DUAL D.C Charger – DC/DC solution for operational charging The DS DUAL charger obtains its energy from DC sources such as alternators. The CTEK DS Dual DC-DC charger will charge, condition and maintain your dual battery system, with the ability to charge from both your alternator while. Why won’t my CTEK DS Dual Charge from Solar Panels? The CTEK D DC-DC Charger will also charge from solar panels while it is getting input from.

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Critical and non-critical electrical devices are supported and connected separately. This will in turn allow the battery to charge quicker. Returns Policy Satisfaction Guarantee Need to return an item? Please read our Returns Sual for more information.

It will take advantage of the higher output alternators to charge larger banks of service batteries and it protects both batteries and the electronics. Videos are provided as a guide only.

The last thing I want to do is give you a measurement of this unit just to let you know how dusl it is. Personalized service for life. Now, this is even for housing that rely on generators for power.

It takes d50s of higher-output alternators to charge larger banks of service batteries, and it protects both batteries and electronics. It will protect against overheating of the service battery. This will protect your main starting battery from auxilary drain and regulate current for multi-battery systems.

If the service battery charge gets low, the SmartPass will cut power to the non-critical equipment first.


This will enhance your alternator performance and allow you to efficiantly charge your battery.

CTEK DS Dual Input Battery Charger | eBay

If the trailer has a solar panel or other charging system on it the SmartPass would be best on the trailer for sure. We take the quality of our information seriously so that you can get the right part the first time. A battery capacity range for this e250s is 75 amp hours to amp hours. It’s designed to charge multiple batteries from multiple sources and if one battery is topped off it would not continue to charge it and it would then apply the current to the other battery.


We’ve been serving customers since our parts store first opened in and continue to be recognized s250s our customers, our vendors and third parties for exceptional service.

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You will also want to use a 30 amp fuse instead of a 25 amp before the solar panel input.

Keeps You Informed Easy-to-read indicator lights keep you informed of SmartPass charging actions and alert you to any problems that may develop.

It will keep 12V starter and 12V service batteries at peak charge. Does come with two metal connectors that you can just open them up just like that and connect your to the other chargers and cttek extra thumb screws.

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This needs to be connected to the auxiliary battery and then a charge source whether that is the alternator from your tow vehicle or a solar panel. And you could run 2 of the DS chargers, CTEK, off of the same power source provided that the power source is rated for the combined draw of both chargers.


Do you have a question about this Accessories and Part? Conditions must be perfect while using solar power for Without being connected to a power source it will not charge your auxiliary battery. Again, the application on this is for volt starter batteries, service batteries and banks of service batteries.

CTEK D250S DUAL D.C Charger

If the duql of your chassis is good you would be just fine to run the ground there instead of back to the battery. Additionally, If there is no input charge duzl the tow vehicle and the trailer battery is being used, the tow vehicle’s battery is not going to be drained.

If you want to actually charge the battery of the trailer from a depleted state you would need heavier gauge wire than 10 gauge. The SmartPass can provide a higher amperage charge rate which it would receive from an alternator with higher output to handle more demanding service batteries and banks of batteries.

The DS requires an input voltage range of 10 to 22 volts but Separates Critical from Non-Critical Electrical Devices The SmartPass also protects the power to critical electrical devices by separating them from non-critical equipment such as marine refrigerators.

The SmartPass warns you if the charge on the duql battery gets low.