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e-Electric Batteries & Chargers > trex 600e-cf batteries
 
 
cms
Heliman
Location: mesa, arizona

can some one tell me what the best battery to use in the stock trex 600cf??? is the 22v. 4400 any good how much time will it have on it with just flying around no 3d?? and whats the best charger for the 600?? i need some input on the lipo battery to run in my 600cf.
thanks chris
p.s what are you guys running??
09-23-2008 11:47 PM
 
 
gadgetdude
Senior Heliman
Location: Southern California

Hey Chris,
I have 3 batteries that I use. All different brand:
1- FlightPower Evo 25 6S 5000 6-7 minutes run time scale flying.
2- Maxxamps Lipo 6000HV 6S2P 22.2V Pack 7 minutes or longer easy but I don't go that long.
3- Align 22.2V(6S1P)2150mAh 4 minutes. Use this battery only as a last resort. Crappy battery

Had a megapower same as above with about 70 cycles on it and I just lost cell 5 for some reason so pretty much useless. Favorite is probably the FlightPower.
09-24-2008 12:23 AM
HOMEPAGE  
 
 
Elgreco
Senior Heliman
Location: Montreal,QC-Canada

Look for the zippy batteries.

22 v, 5000mah at 25c for 130 dollars overseas.

Hobbycity

Trex 600E, Sceadu 50, Freya 90, Turbulence D3 /X9303
09-24-2008 02:23 AM
 
 
steffgiguere
Key Veteran
Location: St-Eustache, Quebec, Canada

I'd look for outrage 6S1P 5000mah 25 or 30 C.

I wish I could fly 24/7
09-24-2008 02:35 AM
HOMEPAGE  
 
 
airboss
Elite Veteran
Location: OC ,california

I had 3 600s all with NEU power and on 6s. the best performance came from T/P extremes for 4m 30 sec.had a good variety of F/P and evo light.all my lipos lost performance around 50 cycles.none were abused or overheated, this is the reality of 6s.

OCRM....flyBlackstarr.org.
09-24-2008 03:22 AM
 
 
naked painter
Senior Heliman
Location: Mid glamorgan uk

"all my lipos lost performance around 50 cycles.none were abused or overheated, this is the reality of 6s."

My lipos have also lost punch after 50 flights. Thunder Power being the worst, I also use Flight power evos and evolites, same happened to them. I'm considering outrage and some chinese lipos as they're half the price and if I can get more than 50 flights I'll be happy.
09-24-2008 07:52 AM
 
 
Spitfire1
Veteran
Location: Perth Australia

50 cycles.
Thats scary to think my packs will only last that long, how much performance do they lose?
when you say 50 cycles have they been used for flatout 3d?
I hope I get more than 50. I would say im already up to about 20 or so already.
09-24-2008 10:30 AM
 
 
Taipan
Key Veteran
Location: Sydney, Australia

50 cycles here as well doing nothing but 3D. Problem with 6S is the high current levels. You want more cycles? Go for 10S in say a Logo and that will give you over 100 cycles due to lower current levels.
09-24-2008 11:26 AM
 
 
naked painter
Senior Heliman
Location: Mid glamorgan uk

"Thats scary to think my packs will only last that long, how much performance do they lose?"


I'm sure I'll get more flights out of my lipos but I've noticed they're lacking that initial punch.
09-24-2008 12:37 PM
 
 
helimatt
Elite Veteran
Location: Lafayette, IN

My experience- don't over-discharge the packs, and of course, WATCH the PACK Temperatures! Overheating them will seriously harm their performance.

The Airthunder/KongPower 5000mAh packs are heavier, but performed the best over many cycles of 3D flying. TP packs did not keep up in my experience, nor did the Flight Powers, but to be fair they may have been over-discharged once or twice.

I have started using the Zippy 20C 5000MAh packs and like them so far- first flew about five cyces as a 6S setup, but now configured as an 8S for my setup. They are holding up well about 12 cycles so far but time will tell. The price is excellent though.

I plan to try the Outrage packs, they seem to be some of the best cells available based on other's reports. DesirePower lipos use the same cells (again, its reported)- not generally available in that label so perhaps we should open a distributorship.

Get a good balancer/charger- I use the ThunderPower 1010C charger, 210 balancer and it works well. I didn't at first, used a cheaper balancer and I think it might not have been doing an adequate job.

The Hyperion Duo charger is a good one, as is the new TP 6-cell charger, there are others too.

If you want to fly 3D, and aren't using the AirThunder type packs, the time the flights to use significantly less than 80% of the pack capacity, if you want the packs to last.

Never, ever, ever, ever give up.
09-24-2008 12:48 PM
 
 
airboss
Elite Veteran
Location: OC ,california

down side of lipo is the short life cycle at high discharge. these lipos perform well at first but like Taipan says if you want long flights and more life expectency go 8 or 10s.or best yet go NITRO

OCRM....flyBlackstarr.org.
09-24-2008 03:48 PM
 
 
red_z06
Elite Veteran
Location: Dumont, NJ

Quote 
Problem with 6S is the high current levels. You want more cycles? Go for 10S in say a Logo and that will give you over 100 cycles due to lower current levels.

This would be true if you used same size cells at the same power level ( V x A ).

In most cases, with the same flight time (4min to 20% reserver) yields 12c average discharge. This is regardless of Xs or Xmah.

If you can yield 5min to 20% reserve (roughly 10c), you will prolong the life of the battery.

Most of the 6s to 10s conversion goes from 5000mah cells to 3850mah cells which yields less current drain but with same discharge rate. Just about only way to lower your discharge rate is to drop the head speed about 100-200rpm. If the throttle curve is still above 80%, then you are all set. It is also a good idea to set slightly lower curve (100-200rpm lower) for idle-up 1 vs 100% for idle-up2. If you strategically flip between the two, you will effectively lengthen your flight time (lower discharge) and prolong your pack life.

For your reference:

1min 100% = 60c
2min 100% = 30c
4min 100% discharge = 15c avg
6min 100% = 10c
10min 100% = 6c
30min 100% = 2c <-- you can use li-ion instead of lipo
60min 100% = 1c <-- you can use li-ion instead of lipo


BTW, the values are avg so peak/burst can be twice as high.

www.justinchi.com
09-24-2008 05:33 PM
HOMEPAGE  
 
 
Taipan
Key Veteran
Location: Sydney, Australia

Benny, I know what you mean. Didn't want to get into the fine print but here goes!

You said it, most 6S set-ups use around 5000mAh and most 10S use around 3700-3850mAh. Power capacity = voltage x capacity. Therefore for 6S it's 22.2 x 5 = 111 watt hours. For 10S it's 37 x 3.85 = 142.45 Whr. You can see straightaway why 10S lasts longer as it has 28% more power capacity. Another obvious give away is the 6S packs weigh about 740g vs 950g for 10S.

My 6S T-Rex averaged 55A (IMO average current affects pack lives more than peak currents unless you peak a LOT!) and on 25C packs that is 11C average. My Logo averages 32A which works out to be about 8.5C. Only a 2.5C difference but enough to allow longer lives.

If you wanted 6S to last as long as 10S, it would have to match the weight & power capacity of the latter. That means you need a 6S 6400mAh pack! This works out to be about 950g as well. Con't rating is 160C!

Unfortunately 6S helis tend to be rather heavy & 5000mAh is the max for good performance. The reason Logos can take much heavier packs is cos they're so bloody light! Most pilots use 10S 4200-4350mAh approx 1100g packs in them. A few even use 10S 5000mAh or more (over 1.2kg) but with the power of flybarless this doesn't matter! The downfall of Logos is cos they're so light, they're fragile and tend not to survive most crashes well. Whereas my pig of a T-Rex 600E survive 6 crashes without breaking the frames or lipos!

Btw, no matter which way you put it, 6S delivers more current through the motor which will only make it hotter. 10S tends to run cooler & more efficiently.
09-26-2008 02:20 AM
 
 
red_z06
Elite Veteran
Location: Dumont, NJ

When we were selecting a HV setup, we compared 6s5000 with 8s3850 and 10s3850. 6s5000 and 8s3850 will provide same amount of energy so it will not give you a longer flight time or more power with same flight time. 10s was just too heavy. So we chose 9s3850 for a modest weight gain with touch more energy which can be used for more power or more flight time. We chose more power. So our 6s5000 and 9s5000 fly the same 4:15-4:30 flight time. So, they both are discharging almost identical C rating.

Overall, 9s setup was about 1/2lb heavier than the 6s setup with REAL BEC with CC BEC with no receiver pack while 9s setup used Align 6A regulator(but called BEC) with 2s1400mah receiver pack.

www.justinchi.com
09-26-2008 02:46 AM
HOMEPAGE  
 
 
Spitfire1
Veteran
Location: Perth Australia

Im useing three of the zippy packs and one outrage, Im only doing loops, rolls and fff for 6 minutes then I stop, I hope I get more than 50 fly`s out of them.
Another thing im worried about is leaveing the packs fully charged for a week or so, does anyone else have any experience with leaving packs fully charged??.
Im finding sometimes I recharge the packs after a days flying and then the weather sets in and cant fly for a week and the packs just sit there.
09-26-2008 05:36 AM
 
 
naked painter
Senior Heliman
Location: Mid glamorgan uk

Hi

I found that my lipos discharge at a rate of 1% every 8 days.
09-26-2008 07:57 AM
 
 
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