12v/24v charge setup question - HeliFreak
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Old 04-25-2012, 12:24 PM   #1 (permalink)
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Default 12v/24v charge setup question

I have been searching around trying to figure out an ideal charging set-up that I won't need to upgrade from. I will likely grab two feathermerchant PSUs in plug-and-play (24V47A Plug-n-Play Supply http://www.feathermerchantrc.com/) with an big charger like the 3010B or a Powerlab v6/8. I have a couple questions with regards to other peoples set-ups that I have seen:

- Why do people run both 12v and 24v set-ups with two chargers, I understand that they are charging 3s on the 12v charger, and 6s on the 24v charger, but why do they need to do this? Can't you just have one 24v setup and charge both your 3s and 6s packs off that?

- As a follow up to my previous question, instead of having two chargers running off two PSUs in series (one for 12v and one for 24v) could you just have say a 3010B and when you want it for 12v just plug it in to a 12v port, and when you want 24v just plug it into the other leads on the PSUs for 24v (assuming you have your two PSUs wired for this)?

Thanks!
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Old 04-25-2012, 02:44 PM   #2 (permalink)
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Most people use the 12V output with an older charger. It is not that they can not use their new charger for smaller packs, it is that their old charger is not useful for big packs, so they delegate small charging tasks to their old charger. If you only have a newer, large charger, then just hook it up to the 24V outputs and use it for anything.
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Old 04-25-2012, 02:52 PM   #3 (permalink)
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Awesome thanks!
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Old 04-25-2012, 10:51 PM   #4 (permalink)
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The other reason I sometimes use 12v for my larger charger is that running one power supply is a lot quieter than two. When both supplies are running the fans start to harmonize and not in a good way. If I only need 500 watts or less, it makes for a more ear friendly experience. Its only an issue in the quiet garage. At the field, I can barely hear both fans with all the flying weed eaters in the air
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