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  (#46)
Finnster
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07.28.2010, 10:11 AM

I wouldn't leave any lipos fully charged for "long periods" of time as its not good for the chemistry long term. How long you are talking about? A couple weeks is fine IMO, but more than that I would store at 50%. A decent charger will have a storage program, so it really shouldn't be an issue to store, then charge up the night before (or two) before you plan to take the truck out. A 12hr window is stupid BS and a sure sign of a scam.

Last edited by Finnster; 07.28.2010 at 10:13 AM.
   
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  (#47)
suicideneil
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07.28.2010, 11:53 AM

Yeah, 12 hour window is a pile of poop- I've just done a long-term test on my old Zippy-H packs; they lost only ~200mah and ~0.10v after sitting fully charged for 6 months. Will test their punch and power pretty soon- summer leave is fast approaching, and its sunny for a change
   
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  (#48)
Freezebyte
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07.28.2010, 12:13 PM

I'd only leave them charged for a couple of days or a week at most, not multiple weeks.

Last edited by Freezebyte; 07.28.2010 at 12:14 PM.
   
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  (#49)
ZippyBasher
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07.28.2010, 12:51 PM

Leaving them stored fully charged can lead to a puffed pack as well... My dad bought some 5000mah 2s for his planes, charged them and never used them even once. Maybe 3-4months. Now they all have puffed cells.

Well he learned the hard way... But I have left packs charged for maybe a week or two and no problems.


Maxx - FLM, MMM, CD Med.36x706s
Raja - FLM Ext. MM, 1512, 4s
SC8ight - MMM, 1520, 6s
D8T - MMM 1717 6s

My OVERPOWERED Rides "CLICK"

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  (#50)
Freezebyte
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07.28.2010, 02:10 PM

Sold the 5T at long last, The "Frostbyte II" project has begun!

Last edited by Freezebyte; 07.28.2010 at 03:32 PM.
   
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  (#51)
Freezebyte
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07.28.2010, 06:33 PM

Hmm ok, im also torn with buying two of these instead of the Dynamite Ultra so I can do 2 lipo's at once. Input? Are they quality chargers? The price is freaking awesome, even for two with shipping!

http://www.hobbypartz.com/thac6smbachw.html
   
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  (#52)
suicideneil
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07.28.2010, 07:43 PM

I think of them as the low-budget version of the Hyperion 606i- basically the same spec though the Hyperion does have a few more features for sure, but then again its $55 vs ~$110.

Alot of US companies are selling re-branded chinese chargers for a massive markup ( see: venom chargers ), so if you want a truelly good brand then Hyperion or the iCharger are top-dog.

If you wanna buy a load of stuff from Hobbyking at once, then look at the various options; as I've said to alot of people lately, you can compare the various options for a week and not make a decision because you get torn between the top-quality $$$ option or the cheap and cheerful $ options.

I've been recommending the AC6 as its A) cheap B) does everything C) pretty simple/ idiot proof D) hobbypartz have good customer care apparently. Buy one, see how you like it, if it works well and you can test how accurately it charges & balances cells with a multimeter, then buy another for quicker charge times on both packs, or spend about the same amount on a single top-end charger knowing that it'll last a long time and can be updated ( firmware updates on hyperion chargers are an interesting point ).

Coin toss...
   
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  (#53)
TexasSP
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07.28.2010, 08:05 PM

I would buy that over anything dynamite. Never been a fan of dynamite myself, too many bad experiences.


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  (#54)
_paralyzed_
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07.28.2010, 08:27 PM

DUDE, PLEASE LISTEN TO ME Do it and do it right, once, and be done.

http://cgi.ebay.com/HYPERION-EOS720I...item2c56311d5d

Ac/Dc 150watt Hyperion Balance charger. With a couple simple connectors you can charge two packs at once. This is the way to go. Cheap it out if you want, but this is quality shiznit right here.


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  (#55)
fastbaja5b
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07.28.2010, 09:29 PM

I'm using the AC6 at the moment as I had a Hyperion and it s#at itself and was out of warranty. The AC6 was only intended to be a temporary measure, that was 8 months ago and it's still going strong. Great little unit!


Say Less, Do More.
   
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  (#56)
_paralyzed_
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07.28.2010, 11:14 PM

Quote:
Originally Posted by fastbaja5b View Post
Great little unit!
that's what Linc said to me?


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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
   
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  (#57)
ZippyBasher
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07.29.2010, 08:53 AM

If you dont mind 50w chargers why not get one from hobbyking? Much Cheaper than what you linked...

4-port, 50watts - each port

http://www.hobbyking.com/hobbyking/s...dProduct=11170

Yet another 50watt charger, half the price of the one you linked...
http://www.hobbyking.com/hobbyking/s...w/_accessories

I use this one: 150watts - good for 8s lipo OR 7a charge... and still cheaper...
http://www.hobbyking.com/hobbyking/s...lancer/Charger



Maxx - FLM, MMM, CD Med.36x706s
Raja - FLM Ext. MM, 1512, 4s
SC8ight - MMM, 1520, 6s
D8T - MMM 1717 6s

My OVERPOWERED Rides "CLICK"

Like Playing Cards? Cut-Throat Rummy "CLICK"

Last edited by ZippyBasher; 07.29.2010 at 08:54 AM.
   
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  (#58)
Freezebyte
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07.29.2010, 12:16 PM

Because I have to buy seperate PSU's for those and I don't wanna deal with that.
   
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  (#59)
_paralyzed_
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07.29.2010, 12:20 PM

Quote:
Originally Posted by Freezebyte View Post
Because I have to buy seperate PSU's for those and I don't wanna deal with that.
post 54


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It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
   
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  (#60)
reno911
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07.29.2010, 12:21 PM

Just get the AC6, if it craps out, which most likely won't happen, your only out 50-60 dollars.

It is a great charger.
   
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