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The isolator is used for a seperate Anderson plug installing on the trunk that runs off the “starter” battery. I use it to run a fridge.

An update to my installation. I could not work out why the charger was working when the vehicle was stationary but stopped within minutes of moving. I later realised that the Redarc isolator was also cutting out at the same time so that explained why the Dcdc charger was not working. I fixed it...

Thanks Randy for sending those videos. It answered a few questions for me. I have asked the local Toyota agent to confirm the charging capacity of the battery charger but I am pretty sure I have plenty of margin. The test will be when I connect the 50A charger in my camper trailer.

Correction to my last.. my aux battery is LiPo. I am getting up to the full 30 Amps from the Renogy charger so far so good.

Thanks for the update on the starting tech.. that makes sense. The battery is NiMh. I was surprised about this and it nearly put me off the vehicle (not being LiPo). After doing some research I understand the decision. The vehicle is manufactured in the USA and therefore cold weather performance...

I haven’t confirmed but I believe the fuse to the battery is 160A. There is no alternator but there must be a starter motor otherwise how would you start the gasoline engine that charges the battery?

Yes. Both batteries. This is connected to the start battery as you would do with a non-hybrid setup

I have recently purchased a Toyota Hybrid Hylander (Kruger in Australia). THanks to the 2 metric ton towing capacity this is an adequate tow vehicle to small to medium size trainers. This vehicle has no alternator and chargers the starting battery through a DCDC charger from the main NiMh...

Thanks. Good point. I observed on my last setup on. Ford Ranger…that the dc-dc charger (that was connected directly to the battery via a fused link) stopped charging the rec battery (without an isolator) a few minutes after ignition off. I assume host battery protection is a standard feature...

I am taking delivery this week if a Toyota Hybrid Kluger (Hylander). I would like charge my 100AH lithium (recreational) battery from the starter battery which itself is charger by a DC-DC charger (no alternator). Do I need to connect through another DC-DC charger? Solar input would be an...

I would agree. I will look at the xt90 or just jump to the next Anderson plug. Thx

My Renogy 50A DC-DC charger is doing as it should and outputting just under 50amps when connected to the smart alternator on my Ford Ranger. Because of the voltage difference going in and coming out of the charger, more that 50A from the alternator (closer to 60A). This causes the charging...

Perfect Thankyou!

I inherited an unbranded solar panel when I purchased a camper trailer. Connected to a Renogy 50A DC-DC charger I measured 36volts at the panel which exceeds to solar input upper limit of 25.5volts. The over voltage protection cut in. My question is, could I use a buck converter to step down the...

Thanks. I agree. The supply is via a high current relay unless I’m missing something, I can see no reason why it needs a direct connection to the battery. It has the advantage of providing a source for the ignition sensor on the charger.

Yes, fused and the cable gauge is correct. It was installed by Ford at delivery. M question is really whether I should swap it over to the battery supply. Thanks

I have a Projecta DC-DC charger supplying a lithium battery in my Ford Ranger. I am setting up a camper trailer with a seperate Renogy lithim battery with a Renogy DC-DC charger. The tow bar is fitted with an ignition supplied Anderson plug. In connecting the trailer DC charger should I connect...

For the record. This advice is correct at least in the case of the Ford Ranger and probably most other vehicles with a smart alternator and BMS. It is important that the dc-dc charger and other accessories be earthed to the chassis and not the battery terminal. Direct connection to the negative...

Yes. It has an ignition sensor. Thanks

I have installed a lithium battery using a dc-dc charger with solar to my new Ford Ranger with a smart alternator. I have read advice that the charger should be connected to the chassis and not to the negative terminal of battery when a smart alternator is installed. I have also read advice that...

Thanks. I put both onto an alternator and they pull 15 and 28 amps on in turn. I’ll just let them soak for a few days and watch the temperatures. I’ll look up Sinextender to see what they say.. regards.

I am tempted to jump them to an alternator for a short burst as you mention. Short meaning 5 minutes.

Thanks for the advice. They are getting warm but not excessive. I have separated them for this reason. I will give it another 24 hours and see what happens. I think they are probably at end of life...

I have a Victron charger with Bluetooth so I can see it is around 13volts. Consistently 5 amps which I am concluding the battery is turning into heat and not electricity. Is it possible to take it to a specialist to load test? Does that work for AGM batteries? Do I need a higher capacity...

12.6 volts. It is taking 5 amps which is the capacity of the charger

120 ah. I have separated them (previously parallel) and charging with 2, 5 amp smart chargers. Thanks

I recently purchased a camping trailer with 2 AGM batteries that were deeply discharged. I managed to get them to accept a charge however they won’t progress past the bulk charge phase on my smart chargers and continue taking the full 5 amp capacity. The resting voltage of both is approx 12.6...

Sojourner1. That’s exactly what I will do! elegant simplicity... thank you. btw. Here’s the reply I got from the manufacturer of the battery. Thanks for your enquiry, the Projecta Dc Charger will be more than enough to look after the Battery . The 5 stages of the charger monitor the battery...

It will be mounted in the space behind the rear seat. It’s a slim profile device in a aluminium case....good heat sink. I may just plan on removing it. Not like I don’t get a warning that we’re going camping!

Reference the Noyito voltage module... has anyone tried this? I landed at the same strategy.. the module driving a high current relay with a bypass switch to restore full capacity When required. In my case, managing a dual battery setup in the back of a truck, I am combatting high temperatures...

Thanks Will for the excellent video on battery longevity. I realised that I have a problem. I am about to Install 125ah LiFePo4 into my new Ford Ranger using a Projecta Lithium DC-DC charger. Part of the set up is a solar blanket but for the most part, the alternator (connected to the Projecta)...