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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › LiHv "Graphene" batteries?
09-16-2019 04:40 PM  57 days ago
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RM3

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Killeen, Texas - USA

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LiHv "Graphene" batteries?
So do we really have new "Graphene" technology or are these actually just Lipos with better IR or capacity?

showing a preference will only get you into trouble, 90% of everything is crap...
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09-17-2019 02:26 AM  57 days ago
utahbob

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St. George Utah

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Looks like it says "Lithium polymer battery pack" on it..120C?I do a great decending funnel!
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09-17-2019 05:09 AM  57 days ago
helitom

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Pine Grove, Calif, USA

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I cannot answer your specific question but I have observed that all the graphenes I and my friends have used for a while have not suffered any sort of puffiness. Sooner or just a little bit later most all Lipo’s I’ve ever used have puffed up.The older I get, the fewer things seem worth waiting in line for.
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09-17-2019 06:47 PM  56 days ago
RM3

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Killeen, Texas - USA

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So then its simply just another LiPo tested to higher levels, so higher price... and the name "graphene" thrown in for marketing gimmickry for good measure.showing a preference will only get you into trouble, 90% of everything is crap...
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09-17-2019 11:22 PM  56 days ago
ICUR1-2

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Ottawa, Ontario

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In theory they would get more cycles than ordinary lipos IF they are true Graphene type Lipo. I have been tempted to try but I already have a new set.spending time, paying attention
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09-18-2019 12:08 AM  56 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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/
/

It is good to know.

I did a replacement of NiMH of all my helis with 2S Lipo packs, using BEC.

Now, I am planning to get LiFE packs in replace of my receiver 2S Lipo packs and possibly get rid of some BECs.

With this LiGP, I think my plan is not going to change... Yet...
/
Saludos cordiales,
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09-21-2019 05:04 PM  52 days ago
ticedoff8

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Morgan Hill, CA. USA

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90% of us don't stress the LiPo batteries we buy.
So, we don't know the difference between an expensive LiPo with high IR vs a cheap LiPo with high IR.
We think that because a battery last for 2 or 3 seasons, that is the best battery there is: "Everyone should buy this brand!"

The guys that fly EDF and speed stress their batteries.
They say that the HW (graphenes in the black/red/gray wrappers) and Dinogy V2 are the only batteries that really meet the specs printed on the lables.
Everyone else is lying their asses off.

Hyperion is taking the most heat right now.
They have the worst batteries and scam people into believing theirs are the best.
They claim they have HV batteries and then deny warranty claims because the battery was over charged.
I think the HV LiPo is a way to drive sales.
You burn out your HV LiPo battery and need to buy a new one to replace it. That keeps the battery companies in business
+ > ÷
Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!
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09-22-2019 05:05 PM  51 days ago
Andy from Sandy

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Bedfordshire, UK

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I read somewhere that LiPo chemistry could go to 4.5 volts per cell. During testing 4.2 volts gave the best bang for buck.

I have also read that charging the LiHv cells to their full 4.35 volts per cell significantly shortens the life of the pack.

A user who has made it his mission to out the marketing bs minefield the rest of us have to navigate has found his standard LiPos are quite capable of being charged to 4.35 volts per cell but as yet hasn't got a service life figure.
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09-22-2019 10:24 PM  51 days ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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It is very risky to go beyond 4.2 volts per cell.

Lipo Charging good procedure is the key for extended life.

Go beyond 4.2 volts per cell is more heat... Inestable...could get fire.

When lipo cells get warm while charging, be careful.

/
Saludos cordiales,
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09-24-2019 08:18 AM  49 days ago
drdot

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So. California, Orange County.

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Hi,

I have been experimenting with HV 1s batts in my Nanos...So far working very well...I purchased mine from Newbee drones...

John.
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