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08-13-2009, 07:52 AM
| #1 |
| Rock Stacker Join Date: Aug 2009 Location: kalkaska Michigan
Posts: 86
|  LIPO help!!
I got 2 zippy rhino 1750 25c lipo batteries for my cliff climber, and im using a cheap E-flite 2-3 Cell LiPo Balancing Charger, 0.65A http://www.rcslot.com/pc-radio-contr.../EFLC3110.html ive tried using a wall adpter and hooking it to my car bat, it works, but it still ses charging after 2 hours, is this just how long it takes to charge or is their somthing wrong with the charger? and oh yeah the charger gets worm but the batts saty cold? Last edited by cdw327; 08-13-2009 at 07:59 AM. |
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08-13-2009, 07:59 AM
| #2 |
| Quarry Creeper  Join Date: Dec 2006 Location: Dirty Jerzee
Posts: 356
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2 + hours is about right. That charger only charges @ .65 Amps so it will take a while to fully charge your 1750mAh pack. Hope that helps..
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08-13-2009, 08:00 AM
| #3 |
| On the lookout for Rocks   Join Date: Mar 2006 Location: Monroe, Louisiana
Posts: 3,711
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My Hyperion EOS606i charges take a little over an hour to charge my 1500mAh 3Cell Lipos at 1.5A. Your charger is charging at .65A...almost 3 times less than the max rating of your battery (not a bad thing). It could take 2-3 hours to fully charge your battery.
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08-13-2009, 08:00 AM
| #4 | |
| Rock Stacker Join Date: Aug 2009 Location: kalkaska Michigan
Posts: 86
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ok thanks just wondering should the bat saty cold? just from Nihm exsperience the bats get worm when charging Quote:
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08-13-2009, 08:04 AM
| #5 |
| Quarry Creeper Join Date: Dec 2006 Location: Dirty Jerzee
Posts: 356
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Lipo packs get warm when you use them. I have never had any of my lipo packs get warm while charging.
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08-13-2009, 08:38 AM
| #6 | |
| Rock Stacker Join Date: Aug 2009 Location: kalkaska Michigan
Posts: 86
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so what is the max amps i could go with my bats? Quote:
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08-13-2009, 09:00 AM
| #7 |
| RCC Addict Join Date: Nov 2007 Location: E.T.R.C.
Posts: 1,575
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If it a 1500 mah you can charge it @ 1.5 amps  I see where yours are 1750mah...So you can charge @ 1.75 amps Last edited by sddill; 08-13-2009 at 09:02 AM. |
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08-13-2009, 09:16 AM
| #8 |
| I wanna be Dave Join Date: Dec 2008 Location: Madrid, IA
Posts: 2,015
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i have the same eflight charger but im doing 2800 7.4v they take 4-6hrs depending on how much i used them
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08-13-2009, 01:51 PM
| #9 |
| Newbie Join Date: Aug 2009 Location: Ontario
Posts: 22
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ok so heres a newb question. im 100% green on the lipo scene i have a 2200 mah 7.4V 2 cell lipo, i believe the discharge rate is 20C somehow, some way, i forgot to switch of my ax10, and the battery drained to 1.4V shouldnt it have caught fire? exploded? can i still use the battery, or did i pooch my first ever lipo.......lesson learned? any help would be great! |
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08-13-2009, 05:52 PM
| #10 |
| Rock Crawler Join Date: Feb 2008 Location: UK
Posts: 818
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LiPo packs don't explode. They only catch fire if they are punctured or crushed. If the voltage drops much below 3v per cell, it's probably finished. You can try charging it using a NiMH charger (or the NiMH program on a multi-charger) for a couple of minutes, then switching back to a LiPo balance charge. Sometimes a quick blast on a NiMH charger will fix it. If that doesn't work, it's time to buy a new pack. It's a good idea to get into the habit of disconnecting the pack when you aren't using the crawler. Don't just rely on the switch, pull the wires too. |
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08-13-2009, 06:22 PM
| #11 | |
| Keep it real   Join Date: Jun 2006 Location: Yakima,WA
Posts: 6,532
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08-14-2009, 09:20 AM
| #12 |
| Newbie Join Date: Aug 2009 Location: Ontario
Posts: 22
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ok thanks! i'll try the nimh trick this weekend. and i'll be honest, if the battery is pooched, i was hoping to see it explode, just so i can say ive seen it  |
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