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Interesting to hear what do you think about optimal battery And what you regard as proper deep cycle battery Sent from my LG-H870DS using Tapatalk

Just have a read. From optima battery "Recommended charging information: Alternator: 13.65 to 15.0 volts, no amperage limit. Battery Charger: 13.8 to 15.0 volts, 10 amps maximum" Sent from my LG-H870DS using Tapatalk

I am sorry that I hurt your feelings baby boy Why don't you PM me and stop wasting forum space. Sent from my LG-H870DS using Tapatalk

Pm me. This thread is about dc-dc charger. Thanks Sent from my LG-H870DS using Tapatalk

Good paper. It is quite systematic Thanks for sharing. I think I agree 100% with your paper I strongly advise us all to read this paper. Will maybe take you 5 mins and save you $100( if you are rich, then it's about your IQ And finally,I think if the alternator is weak, better to upgrade the...

You got me wrong. Use a alternator to charge a battery has no current limitation. For example optima battery. Anyway maybe you should watch this sterling videos. Part one. What he says supports mine. Not yours. Sent from my LG-H870DS using Tapatalk

And who is this guy in the video. I am not an expert but only know the basic but I don't think he knows much. Look I think it is valuable that you posted these videos (and thank you for that) I strongly encourage whoever reading this thread and thinking of buying a Stirling product to watch...

in general I agreed with him. And the videos you posted supports my points that dc-dc charger is used to solve a problem caused by weak alternator that the output voltage is not optimal.this can be cause by a weak alternator or a smart alternator It should be noted that many cars nowadays...

I shall add one more thing Originally dc-dc was introduced into the market due to smart alternator And this is because traditional alternator has fixed output voltage just like a dc-dc without current limitation. A smart alternator has variable voltage output. The -vehicle control how much...

Haha Good efforts You win Sent from my LG-H870DS using Tapatalk

Apparently you took a side. This guy started it first. And I also said please and cheers. It's an invitation for him to contribute to this thread not just point fingers at other like you just did. What a waste of our time and hard drive Sent from my LG-H870DS using Tapatalk

Also just to add all Deep Cycle batteries can now be safely cycled down to 20% SoC. Bulk charging is the most important stage to use the battery. Think about this. $$$guy And just please call redarc and ctek etc.. to ask this question. Can their dc-dc charge battery faster, especially bulk...

Simple fact: If the dc-dc charger is so good and delicious, how come none of the manufacturer produce a graph demonstrating the difference in performance. They won't. Becusse dc-dc charger will do the job slower than your alternator when charging a low battery , especially a big one. Simple...

Why don't you either Do not comment and do not personal attacks. Me being stupid doesn't and will never make dc-dc charger (or you) look good . All you did is repeat yourself. Or Contribute to this thread. Let's us know what you know and what I do not know. Nothing is more offensive except...

I don't know what you talking about. A modern relay setup dual battery system will not have a voltage drop. Like the simple blue sea acr. These dont have much resistance so not a voltage drop The dc-dc will not charge the battery faster. Get your facts right. Sent from my LG-H870DS using...

Any old tech voltage sensing relay can do that....You do not need a dc-dc charge to do that. Dc-dc's biggest marketing point is that it can charge battery faster and many ppl buy dc-dc for its "performance". And this is simply false advertisement. Especially when ppl buy 25amps baby dc-dc...

If I run 3*100ah batteries, they will pull 100amps. Now the little baby dc-dc will not +be able to do that. If I run 1*100ah battery, then it may pull 40amps. Again the little baby dc-dc maybe able to do it. Yes like you said for bulk charging. I don't get it why would you need your second...

I think dc-dc charger is a good idea when: -cranking battery and auxillary battery are of different type -remote distant charging -vehicle has smart alternator. Otherwise it may not be a good idea as -Dc-dc may charge the battery slowly -You will not be able to combine batteries for winching...

The redarc you want to buy is a little baby Which one you wanna buy? 20a? 25a? Or just 15a. The alternator outputs 165amps A commercial DC DC charger can output 100amps, but not the "hobby" dc-dc you want to buy. And this is my advice. If you don't have a smart alternator, then dc-dc charge...

Not a good idea. In fact relocate both battery, the cranking battery as well. The coast is some mount and wire but the battery will last so much Longer Sent from my LG-H870DS using Tapatalk