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Old 04-11-2012, 04:21 PM   #1 (permalink)
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Default Charging multipul packs ??

I have a hyperion 720i super duo running on a 24v 1100 watt power source.

Up till now i've been charging my 5000 mah and 3000mah 6s packs 1 on each port.

However, now i have more packs i've decided to get a 6 battery parallel board.

I remember reading a while back about a formula for working out how many packs can be charged at the same time.

My charger has 500w per side! And i need to know how many and at what "c" i can charge at.

I normally charge @ 2c.

Cheers..
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Old 04-11-2012, 04:30 PM   #2 (permalink)
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No formula per se, it is simply a matter of understanding how the packs add up when you wire them together, as you do with parallel charging. Say you are charging a 6s 5000mAh pack and you decide to charge with another of the same packs in parallel. When you connect them in parallel, you create a 6s 10000mAh equivalent pack, since parallel means the packs have the same voltage but the resulting capacity is the sum of the packs. Add a 3rd and you will have an equipment 6s 15000mAh pack. Once you know the resulting equivalent pack size, you charge accordingly. So 2C on a pair of 6s 5000 packs would be 20A or 2x 10A.

Be sure to understand that charging large packs in parallel very quickly maxes out even the largest chargers though. As you can see by the example above, 2x 6s 5000 packs at 2C maxes out one of the ports on your 720i SDuo.
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Old 04-11-2012, 04:36 PM   #3 (permalink)
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Chris,

Thanks for that, it was actually your site i read it on, but for the life of me i couldn't remember.

Just over there now

P.s, i can charge 4 5000 mah 6's packs @ 1c [ 20000 ] on port A and another 4 on port b then ? Thats good to know as i have exactly that amount of packs for my 7hv.
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Old 04-11-2012, 04:56 PM   #4 (permalink)
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Glad I could help.
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Old 04-11-2012, 04:58 PM   #5 (permalink)
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Old 07-18-2012, 10:12 PM   #6 (permalink)
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Chris, I scanned the threads and this post is the closet I found to ask a my question.

I have a hyperion 0615i Duo3 charger. I just upgraded from a single 12v 42a power supply to a 24v unit (pair of units together).

I purchased two para boards to use.

My batteries are 6c 5000mah.
I would normally charge 2 batteries at a time and it would take 45 minutes to do 3200mah in a pack on average.

So I set up to charge 3 batteries on one of the boards. I set the global settings to 24v and made a battery selection to have 15a charge on a 6 cell battery.
All was good in the test run (no magic smoke escaped from anything).

So I went ahead and started the charge.
All was well and I got a beep notifying me the charge was complete.
It was only 34 minutes?
In the window the message read END: Capacity
It only showed it had done 6215mah

Checking with my hyperion battery check they all read 81%.

Am I missing a step in the program for doing multiple batteries?
I have 6 batteries, my goal is to charge all 6 a one time, 3 on each channel charging at 1c.

thanks
Cliff

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Old 07-19-2012, 12:17 AM   #7 (permalink)
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You are missing a large fact and that would be your charger's capability. The 615i Duo3 is rated at 180W per port. The Duo3+ is rated for 300W. Neither is capable of charging 3x 6s 5000 packs at 1c on each port. The Duo3 will max out at around

180W / 25.2V = 7.1A

And the Duo3+ at

300W / 25.2V = 11.9A

That would mean that it would take just over 2 hours to charge 3x 6s 5000 packs on the Duo3 and 1.25 hours on the Duo3+.
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Old 07-19-2012, 07:47 AM   #8 (permalink)
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Chris, good morning and thanks for getting back to me,

My charger is the Duo3+

So I can do 3 on each channel, a total of 6 batteries in 1.25 hours? That would be fine. It used to take me nearly 3 hours to charge all 6 before. My charge time was never an issue as I usually charged up the night before. I got a deal on the 24v power supply so I decided to buy the para boards and see what it would do. Maybe Santa will bring me a new charger this year if I need to upgrade.

So... do i need to lower the charge amp from 15a per channel to a lower number? 12?

And what do I need to set to allow my batteries to charge to full capacity?
and get the End:Capacity to change to End:Complete

Here are the settings I have set up on #7 to use the para board:
Lipo 22..2v (6s)
Batt Capacity - 5100mah
Charge- 15.0a
Temp cut-off- 50c
Safety timer- 40min
TCS capacity- 100%
TCS end action- Continue
TVC- no change
Discharge- 5.1
Dischage volts- 3.8v/cell

thanks
Cliff
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Old 07-19-2012, 10:01 AM   #9 (permalink)
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your charger is limited to 180w per port. for a 6s battery thats 180w/25.2v = 7.14amps per port. your 5000mAh packs will need 5amps to charge a 1c so if you hook up 3 of them to each port you only gonna get about .5c charge rate. it doesnt matte how much of a power supply you give it, the limiting factor is the charger output. unless im incorrect about the charger i dont see it as being what you need for your size batteries. i just came from a 200w port charger in which each port was maxed at 50w. thats roughly 2 amps per port and with my 3300 6s batteries i was having to charge for well over an hour per battery. i feel your in the same boat as i was.


i have upgraded to an icharger 306b and with the same power supply (not a very good one) i am able to charge 1 battery at a time at 2c or all four at about 8 amps so it still takes a while. i do have my eyes on a new ps but until then slow as she goes.
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Old 07-20-2012, 06:36 AM   #10 (permalink)
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Thanks for your input Krauley.

My charger is a Duo3+ and I believe is rated at 300w per port. At least it says that on the front of it.


I am still needing an answer on what setting I need to change to be able to get my batteries to charge to 100% instead of the END: Capacity that it did the other nights stopping at 81%.

Cliff
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Old 07-20-2012, 09:07 AM   #11 (permalink)
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If it's charging and coming up with end then it sounds like the timer needs to be longer.
I've had my charger stop due to time out and not fully charge my batteries when charging at 12S. I'm using a pair of 1420iNET3 chargers.
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Old 07-20-2012, 11:20 AM   #12 (permalink)
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Quote:
Originally Posted by LowSpark View Post
Thanks for your input Krauley.

My charger is a Duo3+ and I believe is rated at 300w per port. At least it says that on the front of it.


I am still needing an answer on what setting I need to change to be able to get my batteries to charge to 100% instead of the END: Capacity that it did the other nights stopping at 81%.

Cliff
well sorry i somewhere got your charger mixed up with another one and so yes my numbers are off. hope you get it sorted
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Old 07-20-2012, 12:25 PM   #13 (permalink)
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If you are charging 3x 3300mAh 6s packs, than the resulting parallel pack is 6s 9900mAh. If you are charging 3x 6s 5000mAh packs, than the resulting parallel pack is 6s 15000mAh. Set the charger accordingly.
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Old 07-20-2012, 12:30 PM   #14 (permalink)
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Quote:
Originally Posted by LowSpark View Post
I am still needing an answer on what setting I need to change to be able to get my batteries to charge to 100% instead of the END: Capacity that it did the other nights stopping at 81%.

Cliff
Sounds like the charger's capacity limit needs to be increased. If Hyperion made better manuals, I might be able to tell you how to do it. Best of luck.
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Old 07-20-2012, 12:40 PM   #15 (permalink)
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I don't believe there is a max capacity Greg, I think it is simply tied to the settings you set when charging.
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Old 07-20-2012, 02:11 PM   #16 (permalink)
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On the Hyperions, the displays the end status which is the reason the charge cycle was terminated. Hyperions have the following end status indicators.


"END: Capacity" The battery capacity for the LiPo preset needs to be increased to accomodate if the packs are not fully charged.


Quote:
My batteries are 6c 5000mah. So I set up to charge 3 batteries on one of the boards.
Quote:
Here are the settings I have set up on #7 to use the para board:
Lipo 22..2v (6s)
Batt Capacity - 5100mah
Charge- 15.0a
Temp cut-off- 50c
Safety timer- 40min
TCS capacity- 100%
TCS end action- Continue
TVC- no change
Discharge- 5.1
Dischage volts- 3.8v/cell
Three 5000mah packs in parallel would be 15,000mah. (or 15 aH stated more correctly). As the Hyperions do not natively support parallel charging like the Powerlabs, manual translation of the packs in parallel is required for charger settings as well as interpreting the charge data. For 15ah, 12ah would 80% consumed. If the charger will allow you to set the capacity that high, please do so and report your results.
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Old 07-20-2012, 02:21 PM   #17 (permalink)
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Chris and Greg
thanks for the info, I will set the capacity up to 15,000 and give it a go tomorrow (need to discharge a couple of packs via fly time in the am), and I will report back.
Cliff
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Old 07-21-2012, 07:13 PM   #18 (permalink)
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Success!!!

Charged all 6 batteries at once, full charge to 100%

62 minutes charge time for 6 batts compared to taking 45 minutes to do 2 before.

Thanks again for the help!!!

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Old 07-21-2012, 08:19 PM   #19 (permalink)
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Great news. Glad you got it working.
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