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Old 05-01-2012, 03:14 AM   #1 (permalink)
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Default Just double checking setup before i order 306b

Ill be charging 6 Hyperion 11.1v 2200mah 45c battery's in parallel at most 2c when doing all 6 battery's, and maybe bigger battery's in the future. Also ill be charging small mcpx battery's and the new 130x battery's which are 330 2s (i think). And now that im upgrading my battery charging setup I May be going a little big for my current needs but I went with what i needed at the time before and quickly out grew it. So im looking at the 306b icharger and Modified Mean Well 600W 24V 25A Power Supply links below. Should I go with that power supply or just get some server supply's and modify them. Ive looked into it, and it doesn't seem to hard but how reliable and user friendly is it?

http://epbuddy.com/index.php?main_pa...roducts_id=232

http://epbuddy.com/index.php?main_pa...roducts_id=106

Thanks in advance I know these kinds of things get asked a lot and I have been reading and searching all i can But it seems these things are so independent on the persons needs and wants. And it seems what I always do is say order all this stuff after thinking i learned all i need to know, and then the next day I learn I should have ordered something else. So i just wanted to double check im on the right track. If not please correct me. Im at about my limit so I cant really spend more than what I chose, but if its not a whole lot more then I can do that. Thanks!
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Old 05-01-2012, 01:18 PM   #2 (permalink)
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I love my 306b... I charge 6s5000mah pacs (6) at 30A so that is 1c each... but you save a ton of balancing time as the charger just sees one pack... so perhaps 45 minutes for all 6 (or 10-12 minutes for one)

One thing I notice about the linked power supply... the max output is 25A?

I generally pull around 40 amps out of my deep cycles while charging at 30A (due to losses etc) so you will somewhat cripple the charger with that power supply.

Have you looked into deep cycles or the feather merchant power supplies? I have one of these (the 42A model) and you can get two and wire in series.. or even have him do it for a fee... to get 24v at 42A.

http://www.feathermerchantrc.com/
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Old 05-01-2012, 09:57 PM   #3 (permalink)
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Good choice on the charger

Not so good on the power supply.

Several guys are selling modified, ready to use server PS for only $10 - $20 more.
They will give you 1200WATTS and more.
Way better choice.
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Old 05-01-2012, 10:31 PM   #4 (permalink)
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Quote:
Originally Posted by meatwad99si View Post
I May be going a little big for my current needs but I went with what i needed at the time before and quickly out grew it.
For $15 you can get more power and setup that you are less likely to outgrow.

http://epbuddy.com/index.php?main_pa...roducts_id=286

This chart compare the output of the Powerlab6 using 2 server supplies to that of a charger with the specs of the 306b. Also note that the 306 is advertised as 1000 watt charger but its only capable of 756 watts. The way they get the 1000 watt rating is when you are charging A123. I won't go so far to say its "deceptive" of Junzi/iCharger. But its not something that is obvious.






Finally, take a look at these two polls


Powerlab 6 or 306B?
https://www.helifreak.com/showthread.php?t=385269

What is your charger of choice?
https://www.helifreak.com/showthread.php?t=389676&
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Old 05-02-2012, 01:06 AM   #5 (permalink)
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So what server PS do i need to look for? And where can i order them? I guess if I save money on the PS i can move up to the powerlab 6. Are these things pretty solid? Like im not gonna burn up something in a couple years right?
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Old 05-02-2012, 03:00 AM   #6 (permalink)
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I prefer the icharger 306B over the FMA PL8.
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Old 05-02-2012, 09:18 AM   #7 (permalink)
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see post #2 for power supplies
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Old 05-02-2012, 09:44 AM   #8 (permalink)
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I got some cheap 700 watt dell powersupplies off ebay for 20 bucks (both of them) so together its 1400 watts and 47amps...that'll let your 306b max out pretty much....(I have the 306b btw)

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Old 05-02-2012, 09:47 AM   #9 (permalink)
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Quote:
Originally Posted by meatwad99si View Post
So what server PS do i need to look for? And where can i order them? I guess if I save money on the PS i can move up to the powerlab 6. Are these things pretty solid? Like im not gonna burn up something in a couple years right?
Here is a good guy and a good product.

http://www.rcgroups.com/forums/showthread.php?t=1563369
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Old 05-02-2012, 01:57 PM   #10 (permalink)
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Definitely look at the PL6. (full disclosure I don't have an iCharger) I just picked one up and it's serving me very well. I have a similar heli setup as you: 450, mcpx and on. It doesn't even blink at 3s batteries and I'm only running it off a 12V 47A power supply. I'll move to 24V when I get a larger heli.

I will admit that I spent a little more because I got the MPA and the computer interface but I feel it was well worth it. Running the charger from my laptop and keeping tabs on everything is pretty cool, but I'm sure the cool factor will wear off in time. The computer interface makes it a piece of cake for changing charger settings and saving presets.

Whatever you decide these new high output chargers are a huge step up.
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Old 05-03-2012, 02:28 AM   #11 (permalink)
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OK so my plan is PL6 and the 24v 47A with the ec5 connector for the PL setup

And for at least 6 months the largest setup of battery's I will run is parallel charge 6 2200mah at 2c charge rate mabey more if I can. And then the same battery's but maybe single charges at 5c on the 2200.

And then single 250mah 1s hyperions for mcpx at 1c or 5c. And then the new 130x batterys...

I know they will do the 2200s but will they still do the smaller batterys? Or should I keep my small crappy passport charger and get the 12v/24v 47a powersupply setup?
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Old 05-03-2012, 02:51 AM   #12 (permalink)
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I was going the same direction as you with the 306b. After suggestions from people here, I decided to get the PL6 and built my own PS.

Best decision I made. The PL6 rocks!
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Old 05-03-2012, 12:40 PM   #13 (permalink)
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I've got a bunch of the 1s Hyperions for the mCPx and use the Hyperion 6 port parallel board to charge them. The bullets fit in the PL6 so it should work as long as you choose a non-balanced charge setup. I'm not positive on this because I've not tried it yet.
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Old 05-03-2012, 11:31 PM   #14 (permalink)
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Quote:
Originally Posted by meatwad99si View Post
I know they will do the 2200s but will they still do the smaller batterys? Or should I keep my small crappy passport charger
Both of the Powerlabs actually do a better job than most chargers with smaller packs. The reason is that the minimum current is 10ma. When the charger is in the "finishing" stage of the charge called "constant voltage", it slowly tapers the charge current while keeping the voltage at 4.2v.

Other chargers have higher minimum current ratings between 50ma and 250ma. With these chargers, the constant voltage stage many end prematurely because the charge current cannot go down that low. When that happens, the cell may not be completely charged when the charge cycle ends.
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Old 05-04-2012, 12:06 AM   #15 (permalink)
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I think ive noticed that sometimes it seems like it will charge to 4.2 sometimes to 4.15 Well tomorrows the day Ill be ordering my PL6 and the server power supply made for the PL6. Thanks for all your help! With my luck tho they will release on monday some nice new charger cheaper and better than the PL6 that comes with a free PS lol
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Old 05-07-2012, 06:10 AM   #16 (permalink)
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Can anyone tell me if the FMA PL 8 is worth the extra over the 6.. I see the numbers are just a tab bit higher and it can charge 8 cell.. I wont be charging 8 cell as 6 is the highest I will ever have.. Are the numbers just higher because it can charge 8 and wont make a difference when charging 6 cell? Thanks guys ..
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Old 05-07-2012, 11:14 AM   #17 (permalink)
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If you are never going to charge anything over 6s, then the Powerlab6 may be the better fit for you. Comparing the Powerlab6 and Powerlab charging only 6s packs, both will charge at 40 amps and 1008 watts. However when using commonly available server supplies at 24v, the Powerlab6 will put out about 85% of what you can get from a Powerlab8. If you have access to a supply with voltage higher than 24v you can closer to100%.


Other things to be aware of:
  • Powerlab6 has 50 watts of discharge power, Powerlab8 has 100
  • Powerlab8 supports node-only charging. Powerlab6 requires the balance connector and dishcarge leads when charging over 2 amps.
  • The Powerlab6 has a smaller footprint which can be important when designing a field case for the charger and power supply. See images in the link below for a side by side comparion.
http://www.rcgroups.com/forums/showp...4&postcount=62
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Old 05-07-2012, 12:46 PM   #18 (permalink)
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Thanks alot for the great info. I'm looking Into a charging setup as we speak. Don't know if I should build it myself or just buy a setup already done from progressive rc. I really like the setuP they have but im sure it's a little cheaper to do it yourself. Also I can not get the power lab in that combo. I was also considering deepcells as slyster has suggested and down. That seems kinda simple. My problems is I have nothing. Just got my 1st big electric so that was a good expenses and now I've gotta address charging. Either chargig setup with genator or just deep cycles. Each has great advantages for sure. What seems to be the main computer supplies everyone is using now ?
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Old 05-07-2012, 01:11 PM   #19 (permalink)
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The most popular server supply is the HP DPS600PB. You can get these from FeatherMerchantRC already wired to be powered on and I believe he also sells a 24v variant with the grounds already taken care of. You can also get them from eBay at a signifcant savings, but you need to do the wiring work yourself.

I did the PB battery thing for the first two years with a 500 and 600. I only had one Pb battery so it was much more limited than Slysters setup. Its quiet, simple and works well. But I didn't like having to worry about the charge state and condition of the Pb battery. This was particually challenging when I had two days in a row at the field. Switching to a generator removed that extra battery care and feeding. Having an integrated Pb charger like Slysters would address a big part of this. But I wanted the generator for power outages anyway so helped justify a purchase I had been putting off.

Now I can just toss everything in the car and head to the field. All the charging is at the field so there is no need to do anything the night before.

EDIT: Another source for HP DSP-600PB supplies, ready to go. http://www.rcgroups.com/forums/showthread.php?t=1563369
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Old 05-07-2012, 01:50 PM   #20 (permalink)
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Agreed !! It's always nice to just go and come home. The less worry the better. I'm also sure the deep cells can only charge so many before it is out of juice to. I'll have to listen to the rc helination podcast again tonight. They spoke on a website that had info about how to wire them and set everything uP. have to check that out.
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