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  (#31)
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12.26.2011, 08:32 AM

Quote:
Originally Posted by suicideneil View Post
I wouldn't expect you to see any real difference between what is essentially two IDENTICAL battery packs of different brand/model; you should have tried the 35c or 65c packs vs your existing 25c packs.
I went with them because of capacity and they aren't really identical packs. They have same C rating but they market them as having lower IR which you would think should improve performance somewhat. Anyway that was in my old Revo. The Savages are way to heavy and demanding for 25C batts. I run normal Turnigy 5K 40C packs and they are excellent for my needs.
   
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  (#32)
x-y
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01.04.2012, 04:41 AM

the best lipos I used ........ real life cycle of +400 (I tested) and much more hard than the "normal" zippy and turnigy .......... and 10c charge is great


for me the unic problem is are very long and isnt easy fit in a lot of rcs

pd: I have 12 packs of 3300, 4000, 5000, and 6000 mah .....


SWORKZ BE-1, LEOPARD, HOBBYWING, GENS ACE, SANWA VX, FUTABA 3PL, MBX5R/T, RB5SPSL, FG MONSTER, TC5R, 808E, HYPER8, TF5, ZX5, NANO-TECH, HYPERION, 620DMG, ECO6-10, TEAM-IHOBBIES
   
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  (#33)
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01.05.2012, 10:24 AM

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Originally Posted by mistercrash View Post
I had two 2S 6000 mah Nanotechs that puffed a bit when used in a E-Revo Brushless. I had one 6S 3000 mah Nanotech puff in a T-Rex 500 Helicopter. I had 4 tiny 1S 300 mah Nanotech lipos fail miserably in a micro heli. I am not a fan of Nanotech lipos because of all these failures on the ones I had, no matter how cheap they are. Ever since I started flying RC helis, I've been looking around at what the pro flyers use. 3D heli flyers abuse lipos more than in any other kind of RC, on par with some extremely high performance RC boats. And for those 3D heli pros there seems to be only two kinds of lipos, Thunder Power for the richer dudes and Gens Ace for the less fortunate dudes. I'm a less fortunate dude so I'll be going with Gens Ace when I get new lipos.
I have 2 puffed nano-tech 45-90C 5000mAh 5S. They were good batts for the first 10 discharges and then started to puff. I have been using them in a high power rc boat that pulls about 10C of current from each pack. I run them 5S2P. Now I have two brand new gens ace 30C 5S 5300mAh and I'm running in them for the first 4 or 5 discharges.
   
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  (#34)
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01.05.2012, 01:49 PM

Will be waiting for Gens ace review, Bigbore!!! Those batteries are what I'm going to use.
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  (#35)
snellemin
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01.05.2012, 03:37 PM

Check out the review section for the GensAce reviews.


6 KiloWatt A123 Racer
GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
24s2p EVG SX 49.6mph Ebike.
18s4p Raptor 60mph Ebike. 11.5KW
   
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x-y
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08.25.2012, 11:36 AM

anyone tested the new a-spec nanotech lipos? ...... 20-25% lighter than the "normal" nanotech .... and more cycles of charge


SWORKZ BE-1, LEOPARD, HOBBYWING, GENS ACE, SANWA VX, FUTABA 3PL, MBX5R/T, RB5SPSL, FG MONSTER, TC5R, 808E, HYPER8, TF5, ZX5, NANO-TECH, HYPERION, 620DMG, ECO6-10, TEAM-IHOBBIES

Last edited by x-y; 08.25.2012 at 11:42 AM.
   
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  (#37)
x-y
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08.25.2012, 07:53 PM

I bought 3 a-spec 6600 65c ...... soon notices ;)


SWORKZ BE-1, LEOPARD, HOBBYWING, GENS ACE, SANWA VX, FUTABA 3PL, MBX5R/T, RB5SPSL, FG MONSTER, TC5R, 808E, HYPER8, TF5, ZX5, NANO-TECH, HYPERION, 620DMG, ECO6-10, TEAM-IHOBBIES
   
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zeropointbug
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08.28.2012, 10:49 PM

Quote:
Originally Posted by x-y View Post
the best lipos I used ........ real life cycle of +400 (I tested) and much more hard than the "normal" zippy and turnigy .......... and 10c charge is great


for me the unic problem is are very long and isnt easy fit in a lot of rcs

pd: I have 12 packs of 3300, 4000, 5000, and 6000 mah .....
You are so full of it.


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zeropointbug
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08.31.2012, 08:00 PM

I watched that Hobbyking nanotech vs. TP pack video a few months ago and can tell you that it was completely rigged. They pre discharged that ThunderPower pack to ~30% SOC and plugging the pack in and not seeing the rest voltage just reinforces that theory. Secondly, you notice how they don't even film the TP pack when they say it PUFFS? The voltage would not increase if it were fully charged when heating up, but it would if it was less than 50% SOC.

I wouldn't doubt that ANY pack would puff when discharged that deep, but not even showing it...

The video is a joke, and Nanotechs are garbage.


“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens
   
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hemiblas
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09.06.2012, 07:43 PM

That 6600 a spec nanotech looks interesting. The power to weight ratio they are claiming is incredible. The super short leads are a great idea.
   
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immarcescibile
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09.13.2012, 09:21 AM

Any feedback experience on the a-spec lipo dudes? I must decide which 2S lipos do I have to buy for my Xray T3...
   
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  (#42)
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09.13.2012, 03:43 PM

I bought 3 A-SPEC 2S 6600 and converted in 2 3s 6600 batts .... this is the result .....

turnigy nanotech 6600 3s 45c .......................593gr............ (1º carga 6730mah)
turnigy nanotech 6000 3s 25c .......................475gr .............(1º carga 5980 mah)
turnigy nanotech 5000 3s 65c ...................... 430gr ............(1º carga 5100 mah)
turnigy nanotech A-SPEC 6600 3s 65c ...........430gr .............(1º carga 7250mah)


SWORKZ BE-1, LEOPARD, HOBBYWING, GENS ACE, SANWA VX, FUTABA 3PL, MBX5R/T, RB5SPSL, FG MONSTER, TC5R, 808E, HYPER8, TF5, ZX5, NANO-TECH, HYPERION, 620DMG, ECO6-10, TEAM-IHOBBIES
   
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immarcescibile
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09.13.2012, 05:49 PM

That is great, what about the lipo's reliability??
   
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  (#44)
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09.14.2012, 11:14 AM

Quote:
Originally Posted by hemiblas View Post
That 6600 a spec nanotech looks interesting. The power to weight ratio they are claiming is incredible. The super short leads are a great idea.
The Power to Weight ratio is insane. At 130C its nearly 40kW/kg
That is almost twice the ratio of "MaxPuffs" 150C bateries or GensAce 120C

I cant believe this. The highest power to weight ratio battery I found on Wikipedia is 21kW/kg

Another weird thing is that other A-spec batteries are around the same as other brands:

A-spec 6S 5Ah 65-130C = 19.5kW/kg
GensAce 6S 5.3Ah 60-120C = 20kW/kg
MaxAmps 6S 5.45Ah 150C = 23.7kW/kg

Last edited by RC toy; 09.14.2012 at 11:28 AM.
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  (#45)
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09.14.2012, 10:38 PM

at this moment only I spent 2 charges on each batts and the results are great ....... in a 1/8tt of 3900gr rtr and 66kmh top speed ....... +18 min runtime, not puff and a normal temperatures of 40-45cº


this other have a very similar propertys .... 270-280gr without the hardcase .....

Turnigy nano-tech 6600mah 2S2P 65~130C Hardcase Lipo Pack


SWORKZ BE-1, LEOPARD, HOBBYWING, GENS ACE, SANWA VX, FUTABA 3PL, MBX5R/T, RB5SPSL, FG MONSTER, TC5R, 808E, HYPER8, TF5, ZX5, NANO-TECH, HYPERION, 620DMG, ECO6-10, TEAM-IHOBBIES

Last edited by x-y; 09.14.2012 at 10:47 PM.
   
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