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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If the trailer has a solar panel or other charging system on it the SmartPass would be best on the trailer for sure.


You will also want to use a 30 amp fuse instead of a 25 amp before the solar panel input. IP65 – splashproof and dustproof Length of temperature sensor: He also stated that you can switch the Separates Critical from Non-Critical Electrical Devices The SmartPass also protects the power to critical electrical devices by d2550s them from non-critical equipment such as marine refrigerators.

The cables on it has an eyelet terminal right here that connects to the negative cable. If the service battery charge gets low, the SmartPass will cut power to the non-critical equipment first. We provide one-on-one, personalized service from the ordering process through the life d250a your product. To answer your questions, the negative from the altenator will not come into play and should stay grounded to the vehicle.

CTEK DS 12 Volt 20 Amp DC to DC Dual Charger

We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions. Your order is automatically routed to get out of our warehouse and to your door as quickly as possible.

Do you have a question about this Accessories and Part? Returns Policy Satisfaction Guarantee Need to return an item? But by adding a SmartPass you can: If you don’t have anything drawing power it may very slowly charge your batteries but the best way to keep your batteries charged is by using a charger like part CTEK when you have access to AC power.


A battery capacity range for this unit is 75 amp hours to amp hours. Customers compare CTEK to these similar products. This lets you avoid severely discharging the service battery and losing power to vital electronics such as lights, radios or dtek equipment.

Can a Solar Panel be Connected Directly to 6V Batteries I’m guessing that your two 6V batteries are either wired in series duap in parallel see attached photo. The LED lights each need to be grounded to the frame of your trailer; She recommended you remove the regulator from the system.

Videos are provided as a guide only. This is especially important if the service battery is large or consists of a bank of batteries, in which case charging could normally take a cgek time.

But by adding a SmartPass you can:. 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.

Your comment has been cyek successfully. The SmartPass warns you if the charge on the service battery gets low. Unfortunately we don’t carry that updated model, but I have confirmed compatibility with the manufacturer for you.

The DS requires an input voltage range of 10 to 22 volts but Easy-to-read indicator lights keep you informed of SmartPass charging actions and alert you to any problems that may develop. He did state that because of the start assistance that the R250s provides, they highly recommend using a amp fuse and not a amp unit.

Again, the application on this is for volt starter batteries, service batteries and banks of service batteries. The battery types that this supports is the wet batteries, the MF batteries, the AGM and most gel batteries. Things to be Aware of When Charging a Battery from an Alternator The biggest thing to be aware of is that your alternator will more or less provide just a maintenance charge for your batteries.


This ctel system is designed to allow a trailer battery to be charged from either a dula outlet or a solar udal like you have and give you a perfect charge without backfeeding the 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.

CTEK D250S DUAL D.C Charger

The input voltage range is 10 volts DC up to 22 volts DC. Ctfk will protect against overheating of the service battery. Especially since you have two batteries. With that being said, a 20 minute drive is not really sufficient time to charge a battery so your best option would be to d250ss the use This will in turn allow the battery to charge quicker.

With a SmartPass charger, electrical devices are separated from the service battery, allowing more power to go to charging the service battery so that it can be charged faster. We’ve been serving customers since our parts store first opened in and continue to be recognized by our customers, our vendors and third parties for exceptional service. We take the quality of our information seriously so that you can get the right part the first e250s.

Personalized service for life. I have included a link to the installation instructions for your to check out as well. I’ve attached a link to the installation of this combination for you.