44.4v 16ah

[cwah]

Well, i never weighed the individual bricks, but I just weighted one of each of the Turnigy 20C and the Zippy 15C 12S/5Ah packs and I got;
Zippys-22.55 Oz[my scale only does oz.s]
Turnigys-24.8 Oz.
So there is a substanial weight difference of 1 1/4 Oz.s per brick, but not the 2 Oz.s per brick that the HK spec.s would indicate.
So, a sm. pack of Turnigy 20C would weigh a 1/3 of a pound more than the same 12S/5Ah of Zippy 15C. Given that my Ebike weighs 56 lb.s and my batteries are well placed in the frame, that difference is inconsequential. And if I felt I had to add more 15C just to mitigate voltage sag[in reality, 2V sag is nothing, especially for someone who came from LiCoMg and was used to seeing sag in the 3 to 5 V range!], how does that save weight?
But we are nit-picking. But there is one factor that I.M.O., makes the Turnigy to one to go with and that is US warehouse availability. We here in the States greatly prefer to get our batteries from the US warehouse and for the last 6 months or so, the 15C Zippy 6S/5Ah's have been real spotty, where the Turnigy's have been steadily available.
Since I'm using both, time will tell, but my gut feeling is the Turnigy is the better battery for the money.

Are you talking about these Turningy pack?
http://www.hobbyking.com/hobbyking/stor ... ouse_.html

If so, you wouldn't find anything cheaper for the money. I thing these are the best bang for the buck in term of lipo lol.


And I suppose it's these Zippy 6s?
http://www.hobbyking.com/hobbyking/stor ... oduct=7639

At 22.55Oz/pack, it's lighter than what is advertised. So maybe not the right pack

[motomech]

Are you talking about these Turningy pack?
http://www.hobbyking.com/hobbyking/stor ... ouse_.html

No, I'm refering to these;
http://www.hobbyking.com/hobbyking/stor ... ouse_.html
Note that they are in stock in the US warehouse.

And yes, I was comparing them to these'

And I suppose it's these Zippy 6s?
http://www.hobbyking.com/hobbyking/stor ... oduct=7639

At 22.55Oz/pack, it's lighter than what is advertised. So maybe not the right pack

[cwah]

Thanks Momotech. The same turningy pack on the EU warehouse is 65$. Way more expensive I don't know why lol. Doesn't make sense for me to get them.

[Ossielocal]

Hey guys ,One more question whats a good fuse to use with this setup ?

[motomech]

I use one of these;
30-Amps-maximum-heavy-duty-in-line-ATC-fuse-holder-with-cover
http://www.autozone.com/autozone/access ... ier=32415_

download.jpg (7.2 KiB) Viewed 447 times

That's the beauty of 44.4V, you can use standard off-the-shelf HD auto. stuff.

[wesnewell]

That's what I use too except from Walmart $1.28 ea. But i use a 40A fuse in it with 24s. A short might blow the fuse and fuse holder up, But it's so cheap I don't care.. It has 12awg wire and the rest of my wiring is 10awg with 60A connectors.

[icecube57]

I melted Maxi fuses with these type of holder under sustained load. To the point I couldnt get it open. When I finally got it open i couldnt pull the fuse.. out. I threw it away eventually.

[Ossielocal]

Howdy fellas , finely getting my shit together ..lol got the lipos all hook up was a little scared doing it for the first time just like i had sex for the first time ..lol just need to do the balance wires for charging and waiting on the power supply ,for the power supply i brought my self a HK Turnigy 1080W 220~240V Power Supply (13.8V~18V - 60amp) .

[Ossielocal]

Hi guys ,still learning stuff i want to charge 2 lipos at once just to test the charger out how would i go at connecting 2x6s 8000mah lipos ..which harness ? Hyperion EOS 1420i NET3 14s Balance Charger..

[wesnewell]

http://www.youtube.com/watch?v=7I76y8ei ... re=related
Just plug the black of one into the red of the other to make a 12s pack, You will have to split the connector on one pack to do this.

[Ossielocal]

Back again i charged my lipos and check them with HK Battery Medic System 6S and one was reading 4.21v and another read 4.15v so i check the battery with a voltmeter and they read 4.16v and 4.17v i would rather trust the voltmeter then the Hk Battery Medic System 6S... What are your thoughts ?

[wesnewell]

Check them with the charger.

[Ossielocal]

I check them with my charger and they where only out by 0.01v to 0.02v hmm must be faulty Battery Medic System .

Check them with the charger.

[Ossielocal]

Hi guys ,noob questtion here i've been using the lipos for a little while now with no problems but i need that little more volts could i add another battery or 2 to make it 50v instead of 44.4v..is there a 2cell at 22.2 v that i could add ?!
I have the charger to charge 14s lipos .

[wesnewell]

You can add whatever you want. That's the beauty of rc lipo, among other things. If your controller can take the voltage, I'd add 2 more 6s packs and run it as 18s2p. But if you just want more power and speed wire the 4 packs you have now as 24s1p as long as your controller will take 100V. Or you can just add a couple of 2s packs and run 14s. Options or unlimited.

[icecube57]

I didnt make that harness by the way. =P

14s would keep you under the 60v threshold of most 48v controller. There will however be a slight balancing issue. Seems like you are good at soldering you could make a custom balance tap and use a Hyperion 1420 charger.

[Ossielocal]

Gday icwcube, one problem im limited on space i could fit 2cell 7.4v x2 ! Could my ezee controller handle that 60v ? I have the 400w ezee motor setup .

[Ossielocal]

Hello again,so if i add 2x zippy 8000mah 2sp 30c that well give me what i want and i do have the hyerion 1420 charger .