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01-12-2010 06:39 AM  8 years agoPost 1
spdntckt

rrApprentice

San Jose, CA USA

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With all the new developments in LiPo technology which are allowing for >1c charge rates, seems there is a demand for higher power chargers. I am currently using TP1010c, but that maxes out at 5amps for 10S. According to TP, the new 45C packs are fine to charge at 2-3C easily (10 amp charge rate for a 10s-5000 would be nice)

Wondering what folks are using for high power charging? been searching around and dont see much out there. even the CellPro 10s is about the same as the existing 1010c.. and i cant be the only one who wants more charge power

cheers!

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01-12-2010 06:42 AM  8 years agoPost 2
OICU812

rrMaster

Edson, Alberta, Canada

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TP is coming out with new chargers in the next few months that are going to be veeerry cool indeed.

...Once upon a time there were Nitros, flybars and frequency pins...

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01-12-2010 12:34 PM  8 years agoPost 3
Big Electrics

rrApprentice

New Jersey

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spdntckt
I like Hyperion Chargers. EOS 0720i or EOS 0615i (I am picking up the EOS0720i for myself; Max Power Output 250 and Charge Current 0.1-20A.

http://media.hyperion.hk/dn/eos/

I only need one!

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01-12-2010 07:41 PM  8 years agoPost 4
MrMel

rrProfessor

Gotland

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That's why I started to run 2 x5s instead of 10s packs really.

I run 2 x 720iNet3 chargers, 250watt on each for a total of 500watt.
(around 12amp when pack is full)

This spring the Hyperion 720 superduo is coming out (2 x 720 in the same case) with 300watt on each channel or 600watt.

as for powersupply for these high powered chargers, if you are a bit flink with modding, there is some interesting threads over at RCgroups where we are modding Server Power supplies, you can get a 800watt 12v/55amp powersupply for a whopping $8.. modding those into running in series you get a 1600watt powersupply running 24v for $16.

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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01-12-2010 08:39 PM  8 years agoPost 5
hoveroops

rrApprentice

Traralgon, Australia.

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Mr Mel , Could you please post a link to the RC group power supply threads ?
Thanks

Jason.

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01-12-2010 08:40 PM  8 years agoPost 6
Tday

rrKey Veteran

Needham, MA

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That sounds like a good step up in the charger world. That's still over 20 minutes to charge a 6s 5000mah battery though...probably not that bad since it won't be fully depleted and you can pull it off at 95%.

For those that aren't twiddlers, an iota 75A 14.5v power supply is about $290. We have the 90A at our field for general pilot use. I've just ordered a 75A of these for my personal use. http://www.thesolar.biz/IOTA_Battery_Chargers.htm

Tom

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01-12-2010 08:42 PM  8 years agoPost 7
MrMel

rrProfessor

Gotland

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Mr Mel , Could you please post a link to the RC group power supply threads ?
Thanks
Sure thing!

55Amp powersupply.
http://www.rcgroups.com/forums/showthread.php?t=1170784

108amp powersupply
http://www.rcgroups.com/forums/showthread.php?t=1005309

DYI thread about the how and what dangers involved in running in series and what precations is needed.
http://www.rcgroups.com/forums/showthread.php?t=1170241

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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01-12-2010 08:53 PM  8 years agoPost 8
spdntckt

rrApprentice

San Jose, CA USA

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Thanks for all the replies! perhaps i'll wait for the new TP chargers. i sure hope they integrate the balancers this time.. very poor design (IMO ) to have the balancer separated. i currently use a 55amp bulldog supply so that should in theory be good for 750-800 watts of power.

One question on the hyperion though -> my understanding is that i cannot charge single 10s Sticks with them - correct? this would only work if i had 2x5s packs which i broke apart for charging (or is this incorrect?)

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01-12-2010 09:12 PM  8 years agoPost 9
helicraze

rrElite Veteran

Victoria - Australia

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I think possibly the new hyperion charger can do upto 14S sticks is that correct Mrmel?

I hope is possible to link the output in series so you can charge sticks.

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01-12-2010 09:14 PM  8 years agoPost 10
MrMel

rrProfessor

Gotland

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Nope, the charger I'm talking about is 2 x 7s

There will be a 1410charger for up to 14s, but that will be limited in watts (300-320 I think) total.

That's the problem, high wattage AND high voltage = extreme cost, no-one would pay to get that type of charger, and even then they don't get as good (exact) as we want them.

Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more

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01-13-2010 02:28 AM  8 years agoPost 11
spdntckt

rrApprentice

San Jose, CA USA

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Thing i just dont understand is why they dont have these chargers run off very high voltage.. run a step down and rectifier to 48v DC or somewhere thereof. I doubt most of us will need or want to run this off a 12v car battery -> most alternators (even if you left the motor running) would struggle for >30-40amp at idle..

at 48v the charge circuits would be much simpler.. maybe i need to build something (lol!)

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