[NSRCA-discussion] Dodged a Bullet Today!!!!

[Grow Pattern]

Where is this VITAL advice in the battery or charger instructions???

What still bothers me is:- If 3 fully charged cells = 12 V plus, and 4 
discharged cells = 12 V Plus, then how does the charger know which is which?

Eric.

----- Original Message ----- 
From: "Dean Pappas" <d.pappas at kodeos.com>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Tuesday, March 21, 2006 11:50 PM
Subject: Re: [NSRCA-discussion] Dodged a Bullet Today!!!!


> Hey Evil,
> I'd rather be lucky than good: any day!
> And that's why you use a charger that looks at each tap, before charging, 
> in order to determine the number of cells. The same problem exists when 
> dis-charging packs. That's how I trashed one cell in one of my 5Ses.
> Dean
>
> -----Original Message----- 
> From: nsrca-discussion-bounces at lists.nsrca.org on behalf of Grow Pattern
> Sent: Tue 3/21/2006 6:04 PM
> To: NSRCA Mailing List
> Cc:
> Subject: [NSRCA-discussion] Dodged a Bullet Today!!!!
>
>
>
> http://www.rcuniverse.com/forum/m_4056141/anchors_4064428/mpage_1/key_/anchor/tm.htm#4064428See 
> picture on RCU.I had a bit of a set back today with my winter fun 40 sized 
> glow to electricconversion. I had wanted to try the Thunderpower 4200 
> instead of the Tanic3600. I set off to the field with a borrowed 
> Thunderpower 4200 mAh pack. Iset the Astroflight 109 to 2 Amps. It ent to 
> stage 1 and was calibrating toa 3 cell pack and was well on its way to 
> charging the pack, or at least so Ithought . I have done this 
> topping-it-up many times before. I set it on a 2Amp charge rate.I never 
> made it to the field. I heard a light "Phuttt!" about ten minutesinto the 
> journey. I stopped the van and ran back to the back doors. Thebattery was 
> bloated and looking bad. I grabbed the Deans connectors andunplugged it. 
> Dangling it by the lead and as far away from my face aspossible I lowered 
> it to the curbside.I then personally backed up and was about to move my 
> van forward a bit . (Ihad just put 3!
> 5 gallons in it!). Seemed like a good idea to get clear. Neverhad the 
> chance. The pack blew up in a ball of flame about a cubic yard insize and 
> proceeded to burn fiercely. I had grabbed the fire extinguisher butdecided 
> not to use it.The local police joined me for a while and seemed more 
> interested in theplanes in the back of the van than the charred remains. I 
> scraped all of thebits up to keep the country side pretty. Estimated that 
> the grass would growback soon, and went home.Fortunately I was able to get 
> it out of the van before it blew up intoflames etc.Long and the short of 
> it is. "Do not charge a fully charged battery with anautomatic 
> charger"Dodged a BIG bullet today.....Regards,Eric.P.S. If 3 fully charged 
> cells = 12 V plus, and 4 discharged cells = 12 Vplus, then how does the 
> charger know which is which?
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>
>


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