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Lipo maintenance


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matelot
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Joined: 09 Jan 2012
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Location: Back in Blighty

PostPosted: Tue Jan 10, 2012 11:20 pm
PostPost subject: Lipo maintenance
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In this article: http://www.electric-rc-helicopter.com/phpbb/7-tips-to-maximizing-your-battery-performance-t467.html

reference is made on two occasions to fully discharging lipo batteries in order to extract maximum benefit. Yet, in several discussions, fully discharging lipos is highly NOT recommended.

Have I missed something? Don't want to screw my batteries.

Cheers
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chopper54
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Joined: 15 Jan 2010
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Location: suffolk UK aged 61

PostPosted: Tue Jan 10, 2012 11:41 pm
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There seems to be quite a few different opinions about lipo batteries.
I found this site very informative. This link is about lipo batteries.
http://www.rchelicopterfun.com/rc-lipo-batteries.html
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matelot
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PostPosted: Wed Jan 11, 2012 1:29 am
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That's a site I've previously looked at. But as you say, things change as technology changes. I'll tread ([dis]charge) carefully in any event.

Cheers
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chopper54
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PostPosted: Wed Jan 11, 2012 2:51 am
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To keep lipo's healthy its a good idea to get a good quality charger.
That will make sure the cells are balanced properly and you can also storage charge them if they wont be used for a while. The chargers that come in the box with the heli's are often poor quality and dont work very well at all. The charger that came with my Blade 400 was useless and would have wrecked the battery had i continued to use it.
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tombo242
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Joined: 04 Nov 2008
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Location: Santo Estêvão, East Algarve, Portugal. Now 82, but still feels 22.

PostPosted: Wed Jan 11, 2012 2:57 am
PostPost subject: Re: Lipo maintenance
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matelot wrote:
In this article: http://www.electric-rc-helicopter.com/phpbb/7-tips-to-maximizing-your-battery-performance-t467.html

reference is made on two occasions to fully discharging lipo batteries in order to extract maximum benefit. Yet, in several discussions, fully discharging lipos is highly NOT recommended.

Have I missed something? Don't want to screw my batteries.


Nothing missed; it's the informers who did not say that the discharge MUST be done with a Li-Po charger/discharger. Fully discharged for a Li-Po is 3V/cell, so a 3 cell Li-Po is fully discharged at 9V, NOT down to 0V. Easy thing to leave out when you forget that not everyone has a Li-Po charger/discharger. If you discharge with a bulb or other resistor to below 3V/cell then you WILL ruin the Li-Po.

Hope this helps some.

Tom.
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matelot
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PostPosted: Wed Jan 11, 2012 5:20 am
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Thanks - that's a lot clearer now.

I'll research some more kit... Laughing
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