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› How many charge cycles?
01-19-2010 01:42 AM  8 years agoPost 1
3rd-dem

rrNovice

Jacksonville, Florida- U.S.A.

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Wanted to know how many charge cycles can ONE expect to get from a properly balance charged lipo? I suspect this subject has multiple variables but I just was looking for an average of some sort!

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01-19-2010 01:52 AM  8 years agoPost 2
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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One of my friends is looking at 50, I'd like to get at least 100, have not yet found a battery that did 100 for me.

Team Synergy, Rail blades, Team Scorpion, V-Team

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01-19-2010 01:56 AM  8 years agoPost 3
3rd-dem

rrNovice

Jacksonville, Florida- U.S.A.

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100
I really hope it's 100, I just bought a 6s 4900 mahr that has 60??

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01-19-2010 02:39 AM  8 years agoPost 4
gologo

rrKey Veteran

Sedalia, Mo USA

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Yep, too many variables......way too many!

But very few of my packs that have not at least, reached into the 50s
and some have made it to 100+.

Sounds like a Flight/power you have? Had 2 6s 3700s (used) that I was
able to get another 60-70 cycles on, but not sure how many they had on
when I got them. Have a F/P 5s 3700 that has just notched #154......

If you are balance-charging, not over-discharging, not flying an
under-rated/underpowered pack for the job, not crashing them, etc.
you should expect some decent cycles out of at least, the 'name' packs.

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01-19-2010 02:56 AM  8 years agoPost 5
3rd-dem

rrNovice

Jacksonville, Florida- U.S.A.

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Name packs
Yes it is flight power, I'm just getting started and there for fly very conservative, right now mostly "floating" around and plan on sticking with scale flight, we'll see! I do balance charge and pay attention to the discharge, so I guess I'm on the right track,Thanks for your response.

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01-19-2010 04:58 AM  8 years agoPost 6
G Steyn

rrApprentice

Heidelberg, Transvaal, Suid Afrika

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I have used 4 sets of Thunder Power packs in the past.

After 200 cycles, 220 to be exact they started loosing punch.

Charged @ 1C ALWAYS, and never flown more empty than 75%.

Obviously a bad mechanical setup can damage the Li-Pos as well.

Concentrate on your weaknesses and your strengths will reward you!

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01-19-2010 12:12 PM  8 years agoPost 7
fenderstrat

rrProfessor

Aston,Pa

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I have gotten 200-300 cycles out of many of my lipos, from several manufacturers...and I always charge at either 2 or 3C.not doing hard 3d yet and thats a major factor as is always balancing and following the 80%rule.heat seems to be a killer,if your system is heating up your batts you need to get bigger C rated batts or make sure your power system is matched and or operating correctly

if you are just hovering around and mild sport flying,you should be able to get at least 200 cycles out of todays batts

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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01-19-2010 04:58 PM  8 years agoPost 8
TJinGuy

rrProfessor

Socorro, NM - USA

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I have never gotten more than 30 cycles out of a pack and could still call it "like new". Most of my packs made it into the 50s and a few made it into the 80s but by then they were much weaker than new. They don't totally fail at that point but they can't cut it for even moderately hard flying. A lot of that has to do with where I live though, as it gets damn hot here in the summer and that is very hard on packs. That said I have some Hyperions right now that are still very strong after 25 cycles, so I have some hope they will go further than any other to date.

- Chris

Team New Mexico
TJinTech

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01-21-2010 10:12 AM  8 years agoPost 9
naked painter

rrVeteran

Mid glamorgan uk

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50 cycles is all you can expect before the performance starts to drop off and that's following all the guidelines on my 6s 5000mah lipos. Yes you can still use them after this but you have to put up with poor performance etc...

Haven't bothered following any guidelines on my 3s lipos and they're holding up around the 45 cycle mark.

The technology isn't quite there yet..

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01-21-2010 04:00 PM  8 years agoPost 10
mmc205

rrElite Veteran

PA - USA

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i believe it also depends on what application. 6S 5000 lives a hard life on a trex 600, low voltage, high amperage, high average loads. on a trex 500 however, you've got the same voltage, half the capacity (2500ish) and i have packs past 70 cycles that seem as good as the day i bought them. I also know of folks flying logo 700's with 12S 5000 packs that are getting well over 100 cycles.

I however am much easier on packs than i used to be. I've learned to gear high as possible for a given headspeed, good collective management, and ALWAYS time my flights. My packs never come down at more than 3.75 volts/cell, lots of times above 3.8 volts/cell. Never left charged for more than a day, stored at 60F at 3.8-3.85 volts/cell and balance charged at anywhere between 0.5C and 3C depending on how quickly i need them. I have two xps 6S 2500 25C batteries that have roughly 70 cycles on a trex 500 and logo 400 combined with flight times of 5 min, average consumption of 415 mah/min with peaks to 70 amps, and turnigy 6S 2650 20C packs that have the same routine with about 30 cycles so far. I'm expecting the XPS to make it to about 100, and hopefully the same for the turnigy's.

Again, i've heard nothing but stories of short lived lipos on a bird such as a 6S trex 600. Go 8S or 10S and it seems to be a different story. just my thoughts.

***Logo 600 vbar***Henseleit TDR vbar***

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01-21-2010 04:05 PM  8 years agoPost 11
Funky Trex

rrElite Veteran

Westerville, OH - USA

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I average around 50 flights per pack before they suck.

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01-21-2010 04:16 PM  8 years agoPost 12
Big Electrics

rrApprentice

New Jersey

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Funky Trex
Suck after 50 flights; I will take the 6S 5000mAh off your hands.

I only need one!

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01-21-2010 04:16 PM  8 years agoPost 13
gologo

rrKey Veteran

Sedalia, Mo USA

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........Are EVERY one of those junk!!??

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01-21-2010 04:28 PM  8 years agoPost 14
Funky Trex

rrElite Veteran

Westerville, OH - USA

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Not all of them are "junk" but none of them put out really good power any more. Some can be used for hovering or short 3D flights but none of them have even half of the performance of my newer packs.

... and there are 3 6S 5000s in that pile.. all 3 of them have around 30 flights or less with much less power than they started with.

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01-21-2010 04:36 PM  8 years agoPost 15
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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Funky T-Rex if your not flying these batteries anymore. It would be a nice gesture to donate them to guys who are just starting out and are only at a hover stage. If you decide I have a friend who has a heli and is waiting on money to get some batteries and would be very extremely happy to have 2 6s 3300ish batteries. If you find it in your heart to do this PM me and I will give you his name.

Team Synergy, Rail blades, Team Scorpion, V-Team

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01-21-2010 04:53 PM  8 years agoPost 16
Funky Trex

rrElite Veteran

Westerville, OH - USA

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Yes that would be a great gesture and I really wish I could help, but unfortuantely I am still using those 5000s in my own heli since I can't afford to buy newer packs that size Maybe he should consider a smaller heli if he is just starting out. The large electrics can be very expensive and pretty hard on packs. Flight time is the most important thing when starting out so I would get something that flies cheap for learning the basics especially if money is tight.

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01-21-2010 11:28 PM  8 years agoPost 17
zaw

rrKey Veteran

Lebanon, NH - USA

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Zippy Flitemax 2100 30C on HBK2 single and 2x in Hurricane.

Parallel charge about 65 cycles a few days ago it dropped off 1 min of total flight time. Today not much power and not balancing anymore. not bad for chepo battery.

ಠ_ಠ HBK2 built with inexpensive parts! ٩๏̯͡๏)۶ Gaui425

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01-22-2010 02:22 AM  8 years agoPost 18
3rd-dem

rrNovice

Jacksonville, Florida- U.S.A.

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Thank You All!!
Thank you for all this information on what I feel is the heart of enjoying my hobby!, Walt

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01-22-2010 04:26 AM  8 years agoPost 19
Dr.Don

rrVeteran

Cedar Park, TX -- USA

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You won't find much discussion of it on here, but I am convinced lipo's lose punch from age (time), not just cycles. I think you might be able to get a high cycle count if you fly frequently, but I have had quite a few high quality lipo's lose their edge at only 20-30 cycles when their chronological age got much beyond a 12-18 months.

Dr.Don

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01-22-2010 04:53 AM  8 years agoPost 20
G Steyn

rrApprentice

Heidelberg, Transvaal, Suid Afrika

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Nail on the head there.....

I have 4 packs that I haven't used for the last year, cause I fly only Nitro at the moment.

Two Outrage, and two Thunder Power packs, all of them have approx 40-50 cycles through.

I did NOT store-charge them, I stored them fully charged, and to my amazement, the packs are slightly puffed from standing doing nothing.
Guess they have lost their "punch" LoL

Concentrate on your weaknesses and your strengths will reward you!

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