Turnigy Cells Crush G3's

[detox]

I quote "Capacity and initial voltage are above G3. Proving once again the evils of big brand marketing" unquote.

Look here: http://www.hobbyking.com/hobbycity/f...s.asp?TID=5158


...

[Brod]

Turnigy lipos are 'underated' in capacity meaning a 2200mah pack is actually approx. 2400mah,therefore appearing to give better performance all round.
Not a bad thing.
My 6S 3000 packs actually put back more than the 'full' mah when recharging,and still show about 3.7v resting volts when depleted.
Decent cells,so far.

[Jeff Wohlt]

I don't disagree but the real proof is voltage when pulling 100+ amps out out of them. I have round cells that show more voltage but when a load goes on them they drop.

Just my 2 cents...maybe you have already loaded them up and tested.

[Raydee]

I have run them against my G3 cells and sorry they just don't compare.

[Fluid]

Nice advertising copy, since the initial poster essentially works for HobbyKing! For those who didn't bother to read beyond the first post:

It's ONE test on a brand new battery at a relatively low 20C discharge rate.
The real test is how the Turnigy holds up:
1) After a few charges and it has bedded in (It is possible to make a battery that performs well initially and then decays - not saying this is true here!)
2) At higher discharge rates like 35C which is the actual continuous rating of the cell.
3) In the long term - that is after 100's of cycles.
All of these are areas where the G3's are proven after extensive testing by 3rd parties and for which they are valued.
In short, it's a promising result and great news that we are seeing this performance at HK prices but it is a while before HK can claim "TURNIGY Lithium Polymer Battery destroys the competition!"

The Turdigy cells may be the bestthing since sliced bread for helis and cars, but for marine use the jury is out.


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[photohoward1]

I don't get it. The G3 cells gave more voltage. The Mah is not going to win you a race. It might loose you a race without good management but won't add any speed. Speed or RPM comes from a higher voltage. Did I read the chart wrong?

HT

[tth]

The Turdigy cells may be the bestthing since sliced bread

.

Now thats just funny I don't care who you are!!!

[BakedMopar]

I beleive for low to medium amp draw they hold up fine and can't be beat for the price. These are the only brand of lipos I own as of now. The first three runs on my 2200 packs were awesome. After that they became sluggish and have puffed. I will try to give the G3s a shot and give my honest opinion on them.

[detox]

Here's original tread from RCGROUPS.COM http://www.rcgroups.com/forums/showthread.php?t=1160946

[Himalaya]

Turnigy has obiously more capacity than other similar rated packs, here's what I found:

I compaired two 6S packs, both are brand new. At 3.2A discharge(due to 80W discharge limit of my charger) and 3.0V/cell LVC,
my Turnigy 5000mAh delivers 5184mAh , 104% of norminal
my Hyperion G3 VX4200mAh delivers 4043mAh. 96% of nominal.

I thought this maybe the answer for why Turnigy packs are heavier.

[Fluid]

I beleive for low to medium amp draw they hold up fine and can't be beat for the price....The first three runs on my 2200 packs were awesome. After that they became sluggish and have puffed...

Now this I do not understand. The packs"hold up fine" but yours only lasted three cycles? What amp draw did you subject them to? What experience do you have showing them to be fine at "medium amp draw"? What do you consider to be "medium amp draw"? Are they better cells than the Rhinos, etc.? I'm not trying to be mean here, just trying to understand these new bargain wonder cells. Basing a buying decision on a chart supplied by the distributor which contains a rather dubious analysis is not the path of the thinking FE boater.



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[Rumdog]

I have had excellent results with Turnigy lipos in high amp draw setups. Can't beat them for the price. I will not spend 2 to 3 times the cash for big brand lipos. NEVER>

[BakedMopar]

Now this I do not understand. The packs"hold up fine" but yours only lasted three cycles? What amp draw did you subject them to? What experience do you have showing them to be fine at "medium amp draw"? What do you consider to be "medium amp draw"? Are they better cells than the Rhinos, etc.? I'm not trying to be mean here, just trying to understand these new bargain wonder cells. Basing a buying decision on a chart supplied by the distributor which contains a rather dubious analysis is not the path of the thinking FE boater.



./

When I mean low to medium amp draw I am talking about it use in my rc trucks and my stock SV27. I have had over 60 cycles on my 5000 20-30c batteries I am going to guess that the amp draw is somewhere in the 50 amp range on average based on run time in the SV, but have no logger to officially document that. With my SC10 I was averaging 25 min of run time an average of 12-15 amps. Packs were always under 120* They still was as powerfull as the day I got em.

Now that I have a different setup in the SV, I now pull a constant of 75 amps with spikes of 100 on average. This is with a logger. Batteries now comes out of the boat at 150* average and are starting to show some wear. The cells have a larger voltage gap between each cell. They also dont hold the votage as well. Even my new packs 30-40c packs are slowly falling off with about a dozen cycles.


My mini hydro pulls over 65 amps consant (also calculated with run time). Due to the size of this boat biggest Turnigy that fits is the 2200 size. The packs that I got was the 30-40c rating. Was looking for the 40-50c but they was all out of stock. I knew I would be cutting it close but for the price it was worth a try. The first set of runs ran great with a lot of power. Temps were blazing on the batteries with a 180* average with a X632. Using the smallest prop I have (x427) it still heat up to 165* on a two minute run. I know for sure that this battery does not fit this application. Being that they are overdrawn after 3-4 runs they are much slower and 3 have puffed. Two of them puffed just slightly were they return back to normal after cooled. The other one is a gonners.


I am not complaining that Turnigy's are bad. To me they are worth every penny you pay for them. They are just not right for my application. Hyperion has a 2600 35-65c battery that will fit. If Turnigy/Zippy offered something similar I would stick with Turnigy/Zippy but they don't so I need to jump ship.

All of my boats have a LVC of 3.3v per cell. Batteries are all charged on a Hyperion 1210i charger with a LBA10a balancer @ 1c.


BTW no offesnse taken. These are just my findings and opinions.

[Brod]

You will struggle to find any lipo at any price point to constantly stand up to 30C constant usage,especially in a tight confines of a sealed hull.
If the link provided at the start of this thread IS genuinely written by a connected HK employee,he also states;
'2200 mah Hyperion Vx and 2200mah Turnigy both warm up to 80 celsius on 75A. It means that they are ruined in couple of cycles'.

IMO the technology isnt quite there yet for huge output from small lightweight cells AND big cycle numbers.

2 min. runs to me seems pointless unless its a SAW boat and ruining cells doesnt matter.

[BakedMopar]

Well 2 minute runs wasn't what I wanted either. That's just the way the boat was setup when I got it. Hell it's fast though and I quote from your sig "slow gets boring fast"