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Unread 19-12-2006, 16:06
Unsung FIRST Hero
Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
FRC #0111 (WildStang)
Team Role: Engineer
 
Join Date: Jun 2001
Rookie Year: 1996
Location: Wheeling, IL
Posts: 10,770
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Re: batteries and chargers

Quote:
Originally Posted by Tristan Lall View Post
It's not a rule, but like they said above, it ought to be.

The trouble is finding Anderson SB50 connectors with the right contacts for the smaller-gauge wire in a battery charger, or making a good splice using the 6 AWG leads on the ones you're given. Actually, I think B.G. Micro had the correct connectors at one point. And you can always order them from Terminal Supply or another vendor.

I like the rule and recommend this method to whoever will listen. You can make an adequate connection to the charger leads if you strip the insulation back about two inches and fold the wire several times to increase it's diameter. This method followed by a good soldering job will make good connection.

To quell any false hopes, fast charging a gell cell battery with anything other than a smart charger at 6 amps or less will not give you a full charge no matter how much current you try to push into the battery. Shortened life is only one problem that you may encounter, explosion and pit damage is another. If you choose to try and bypass acceptable charging methods, please do not come to a FIRST event.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.