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Author Topic: "High Voltage" LiPo's?  (Read 2538 times)

Offline Target

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"High Voltage" LiPo's?
« on: April 06, 2015, 08:49:43 PM »
Does anyone have any experience with these newer "High Voltage" LiPo's?
http://www.hobbyking.com/hobbyking/store/__62997__Turnigy_Bolt_2400mAh_4S_15_2V_65_130C_High_Voltage_Lipoly_Pack_LiHV_US_Warehouse_.html

They seem like hype to me, and I've always thought that there is no free lunch, so I would expect less duty cycles...although it states otherwise about that. Obviously, ECL isn't in need of 65C discharges, but of the HK packs, this seems to be competitive in weight to say, the G3 Hyperions.
Anyone?

Regards,
Chris
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Chris
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Offline Tim Wescott

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Re: "High Voltage" LiPo's?
« Reply #1 on: April 06, 2015, 09:18:40 PM »
LiPo doesn't mean one battery chemistry -- it's a whole family of chemistries and methods that's constantly being pushed forward.  So I'm not surprised that the volts/cell should be going up.  You'd have to try it and see if it lives up to the hype, though.
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Offline Target

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Re: "High Voltage" LiPo's?
« Reply #2 on: April 06, 2015, 09:31:18 PM »
I unfortunately am not in possession of a test bed yet....
Just wondering if anyone has tried them yet. Maybe I'll be the first, I doubt it, maybe first to report.
R,
Chris
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Offline Tim Wescott

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Re: "High Voltage" LiPo's?
« Reply #3 on: April 06, 2015, 11:32:39 PM »
Make sure your charger is capable -- I know mine isn't.
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Offline Target

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Re: "High Voltage" LiPo's?
« Reply #4 on: April 07, 2015, 03:41:45 PM »
That is a great point, Tim, thanks. H^^
I think my TP charger is capable, not sure about the other two.
I'll check definitely before I buy any of these.

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Chris
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Offline Mike Anderson

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Re: "High Voltage" LiPo's?
« Reply #5 on: April 08, 2015, 01:49:56 PM »
Hobbyking now shows two chargers capable of handling these - the 'Neutron' 200Watt @ $70, and an upgraded 'Accucel-6' 80Watt @ $30.  They are under "Chargers -- (LiHV).
Mike@   AMA 10086
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Offline Dennis Toth

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Re: "High Voltage" LiPo's?
« Reply #6 on: April 09, 2015, 05:20:11 PM »
Chris,
To get it to the 15.2V for the 4S pack you need a charger designed to charge to this level. They indicate that if you don't have the higher output charger it will only charge to the normal 14.8V level (this is the normal level not the peak off the charger voltage).

Best,       DennisT

Offline Target

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Re: "High Voltage" LiPo's?
« Reply #7 on: April 09, 2015, 06:09:43 PM »
Thanks Dennis-
Tim mentioned that a post or two before yours.
I think my Thunder Power charger does this....
I think I have it in my car, actually, so I can check tonight when I escape from the prison camp.
The other question is, are the batteries comparable to the other good ones you guys all use in terms of Voltage vs Amp draw, etc.

If so, I figure that they may offer a bit of added voltage to tune with. Maybe its not enough to notice though, and that is what I am beginning to think.

I'm going to check my charger. If it is capable, maybe I will buy one or two of the HV LiPo's and compare them to something with known performance like a Hyperion 2500.

Thanks for checking in.
I'm getting "all amp'd up!" %^@



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Chris
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Offline Target

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Re: "High Voltage" LiPo's?
« Reply #8 on: July 25, 2015, 02:49:27 PM »
New info here on my last post.
http://stunthanger.com/smf/index.php/topic,39373.0.html
New Hyperion 2800hv batteries replace the lowest c rating 2500. They have a higher c rating, same 2500mah capacity at normal voltage, and are hv capable.
They come with XT60 and no more "Hyperion style" balance tap.
43 dollars at www.rcdude.com, and they only weigh 5g more than the tp prolite 2700 on my scale.
It's a no brainer if the performance is up to par.
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Chris
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