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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › QUESTION ABOUT A BALANCE CHARGER
04-24-2009 01:54 AM  10 years ago
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jplot

rrApprentice

Canton, Ohio USA

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QUESTION ABOUT A BALANCE CHARGER
I am wondering if having a battery charger connected to a 12 volt battery while it is charging a lipo battery, is in any way harmfull.

jer

LOST TIME IS NEVER FOUND AGAIN
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04-24-2009 01:57 AM  10 years ago
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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I've already charged some 3S lipos this way with no problem. The battery supplies power to the charger and the charger supplies the power to your lipo.Team Synergy, Rail blades, Team Scorpion, V-Team
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04-24-2009 04:30 AM  10 years ago
BJames111

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San Diego, California

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many (most?) chargers work this way. You can also use a 12 volt power supply, but a charged 12v battery will work fine. At the field, I usually pop the hood on my truck, and charge off of that battery!
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04-24-2009 05:49 AM  10 years ago
tasmanian devil

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DeSoto,Tx.

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No,no problem.I do'nt crash,I just rearrange parts.
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04-24-2009 08:28 AM  10 years ago
duceduc

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Saitama-Ken, Japan

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If you field has power, just build a 12V charger from an old computer power supply. Duc S
Do It! Do It!™
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04-25-2009 02:31 AM  10 years ago
jplot

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Canton, Ohio USA

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More details on charging question.
The concern I have is the fact (I think) that the charger hooked up to the 12 volt battery is producing a current that perhpas is less then a pure DC current, that the battery produces. I believe this kind of charger current is called a Ripple current, and contains some ac.
Since I am fairly new to this game and have lost three Align 22.2 volt lipos in a row with less then fifteen or so charges on each of them, it got me wondering if maybe I was going down a bad path.
My setup is a 12 volt battery in my workshop with the charger usually connected to it when I am charging a lipo.
Thanks to all.

jplot
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04-25-2009 09:16 PM  10 years ago
Gravitysucks

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San Diego, CA

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Edited out: I misread the post. After reading balsabasher's post below, I agree with him 100%.
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04-26-2009 12:13 AM  10 years ago
balsabasher

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Central Ohio, USA

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Jplot, am I understanding correctly that what you are trying to ask is:
Is it harmful to have a 12 volts battery charger charging your 12 volts battery, while that 12 volts battery is feeding power to your Li-po battery charger?
If this is what you are doing, than yes, this is likely more of a problem for your charger's health or function.
As far as your batteries, I do not care for the Align batteries. The brand MAY be the issue with your battery problem.

Flame suit on and I am not trying to start a brand slamming here.
Blades; what goes around, comes around!
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04-27-2009 01:10 AM  10 years ago
Rcarnes

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mustang, ok. USA

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I would have to say no. The charger is getting 110v ac from the wall then converting it to 12v dc at the battery. the battery is sending 12v dc to the charger and is converting or regulating it to the voltage and amperage that you have programmed in. unless it is a very cheap charger id say that the power coming from your charger to your lipo is a very clean and steady 12v dc.
could you have run out too much current and damaged a cell while flying?
R. C.
I dream of the day when a chicken can cross the road without his motives being questioned.
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04-27-2009 09:05 AM  10 years ago
TOSH

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UK.Peterborough

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balsabasher

Don`t think you`ll need a flame suit for that. We all know align packs are junk.
Flybars. Who needs `em.
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