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HelicopterMain Discussion › Transmitter Li-po Pack
03-17-2009 05:06 AM  8 years agoPost 21
Furious Predator

rrProfessor

Kitchener, Ontario,​Canada

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I make sure mine are fully or almost fully charged if I'm going to store them for a while
dont expect your lipo to last too long then.

its best to store lithiums at about a 40-50% charge level, kept sealed (plastic zip-lock bag) in the fridge for long term storage.

Shawn
Team Leisure-Tech
Team HelixRC

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03-17-2009 05:13 AM  8 years agoPost 22
tom dubya

rrApprentice

st.louis

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Furious I was just reading through this thread and was thinking the same thing. You guys need to check out some of the safe way to store lipo threads. I ruined 3 batteries leaving them fully charged, thank god they were cheap ones.

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03-17-2009 05:20 AM  8 years agoPost 23
cdrking

rrElite Veteran

Seattle

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I ruined 3 batteries leaving them fully charged
How long did you leave them?

Jeff

To hover is divine, the alternative is rather PLANE.

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03-17-2009 05:23 AM  8 years agoPost 24
McRex

rrVeteran

AZ-USA

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I leave mine in as well, has been in for a year now.

But I use it pretty regular.

Daniel, AMA # 923248

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03-17-2009 06:30 AM  8 years agoPost 25
RAPTOR 4D

rrVeteran

GRANGER,IN,-USA

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Same here!

Raptor 50 Titan SE

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03-17-2009 07:43 AM  8 years agoPost 26
GimbalFan (RIP)

rrProfessor

Big Coppitt Key, FL

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The first time your LiPo 'farts fire' or just swells up and cracks your case, you'll think twice about leaving it unattended in your tx, especially while charging.

IMO Li-Ion cells are a much better choice for use in transmitters.

op-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-t

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03-17-2009 09:07 AM  8 years agoPost 27
TOSH

rrElite Veteran

UK.Peterborough

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GimbalFan
The first time your LiPo 'farts fire' or just swells up and cracks your case,
Do you actually know anyone who`s had this happen? Lipos seem to get a very bad press for theoretical reasons but now there must be a vast amount of lipos out there even being crashed on a regular basis and l`m not reading about any fires on RR.

Flybars. Who needs `em.

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03-17-2009 09:45 AM  8 years agoPost 28
GimbalFan (RIP)

rrProfessor

Big Coppitt Key, FL

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I haven't seen it happen to anyone's tx I know personally, but I've seen plenty of LiPos fart flame and/or swell for no particular reason on helis and planks, and I've read about it at least a few times with tx's right here.

Considering how easy they are to remove and the value of tx's in general, it seems like good common sense to remove 'em when not in use, just like most do with the LiPos in their various birds.

op-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-t

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03-17-2009 10:36 AM  8 years agoPost 29
TOSH

rrElite Veteran

UK.Peterborough

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I've read about it at least a few times with tx's right here.
Thanks GimbalFan
l`d be interested in reading some of those if you have any links. Couldn`t find any with a search.

Flybars. Who needs `em.

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03-17-2009 10:45 AM  8 years agoPost 30
Yug

rrMaster

UK. Herts

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Transmitter Li-po Pack
I'd say go for it. These 'ere lipos have a good reputation at playing with ones fears; we're all suckers for that ! I've not yet had a lipo fire but I have had AA nicads burst into flames on trickle charge. Go figure.

Vegetable rights and Peace

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03-17-2009 11:03 AM  8 years agoPost 31
TOSH

rrElite Veteran

UK.Peterborough

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Yug
Yes and l`ve seen nicad split and melt a TX case while on charge. They were being charged on the wrong settings though but that`s usually the only way you see a lipo fire as far as l can make out. Like l said before there must mave been thousands of crashed lipos now the nitro boys are using them but l`m not reading about any fires.

Flybars. Who needs `em.

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03-17-2009 02:42 PM  8 years agoPost 32
longhair

rrApprentice

Beaver Falls, PA

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Go Lipo and don't look back. I put one in my 9CHP and one in my MPX EVO9. They were the best thing I did, self discharge rate is minimal and capacity is high. The 9CHP I sold to a buddy of mine who is really happy with the battery.

I keep my battery in the TX unless I am charging it and then it goes in the ammo can like the rest of my lipos do.

Just make sure you take proper precautions like:
1) safety - take them out of the TX when you charge them and put them in a fire proof charge vault, I use a vented ammo can, others at my field use stoneware bowls.
2) storage - I keep my TX in an aluminum TX case just in case the battery were to fail while not in use or being charged.
3) charging - a good charger that will do a storage charge for those time when you won't be flying for a few months

Just my thoughts and observations.

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03-17-2009 03:24 PM  8 years agoPost 33
oakley

rrApprentice

USA

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I have had lipo's in three of my 9303 2.4's for over a year now and mostly keep them charged up...no issues except once when I left one radio on accidently and it swelled a little bit didnt damage the case.Just tossed it and bought another.

Admit nothing, deny everything and make counteraccusations

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03-17-2009 03:31 PM  8 years agoPost 34
january flyer

rrApprentice

Lake Charles​Louisiana 70601

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From Hobbycity very nice Tx packs to use.
http://www.hobbycity.com/hobbycity/...?idProduct=6955

http://www.hobbycity.com/hobbycity/...?idProduct=7346

Team JR, Thunder Tiger America, Scorpion, Skookum Robotics, Savox, RC Aerodyne, Sirocco, SpinBlades

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03-17-2009 03:50 PM  8 years agoPost 35
longhair

rrApprentice

Beaver Falls, PA

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try this guy, good packs and he is in the US. I know a few pattern guys who buy their competiton packs from him and he is where I got my TX packs.

http://home.comcast.net/~truerc/rea...ready_packs.htm

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03-17-2009 05:45 PM  8 years agoPost 36
snjbird

rrKey Veteran

Kissimmee, Florida-​USA

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I added the Outrage TX pack to my JR9303 at the end of last year, I fully charged it when it went in, and I gave it a quick dose of power one time at the field...
they seem fine and then drop sudden at the end, so it caught me off guard, and when I got home I fully charged it again.

I fly probably the most out of all the guys at my field plus I have a 250 for BY3D flying, and the lipo was and is the best investment I've made to my hobby time, one charge in 3 months?

We have to remember, the LiPos that burst into flames are the ones we are demanding serious power from, and that we are discharging at 18 to 25C... out RX is using .05C, that is not to say that they can not burn up, or out, it is just a whole lot less likely

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03-17-2009 05:59 PM  8 years agoPost 37
lightningrc

rrElite Veteran

UK

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If your taking your lipo in and out of your tx your going to have problems , the little plug is not designed for that type of use .

If you know how to treat lipos you will not have a problem charging it in the radio , when there not balanced charged problems occur.

I soldered a pig tail on my lipo so I can charge it with it connected .

If you are going to continue to remove your lipo I suggest putting a mini deans connector inbetween the lipo lead so you do not disturb the original plug.

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03-17-2009 06:17 PM  8 years agoPost 38
TOSH

rrElite Veteran

UK.Peterborough

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With the lipos in the links there is no need to disconnect the small plug.

Flybars. Who needs `em.

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03-17-2009 06:33 PM  8 years agoPost 39
flyboy907

rrVeteran

woodstock, ga

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soon, nicads will become a thing of the past, not sure what advantages they have over lipos besides maybe price and the prices will continue to fall for lipos.

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03-17-2009 07:18 PM  8 years agoPost 40
longhair

rrApprentice

Beaver Falls, PA

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I had Li-Ion in my MPX before the Lipo and it lasted 3 years. I didn't worry about it flaming under charge since they are in cans. In my MPX I have the connector to the mobo going to a deans that I I plug and unplug when removing the batter to charge.

I could probably leave it in the radio but I tend to err on the side of caution.

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HelicopterMain Discussion › Transmitter Li-po Pack
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