Go to Post "THAT'S NOT SAFE!" "But I'm wearing safety goggles!" - Samheartsrobots [more]
Home
Go Back   Chief Delphi > Technical > Electrical
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
 
 
Thread Tools Rate Thread Display Modes
Prev Previous Post   Next Post Next
  #19   Spotlight this post!  
Unread 16-12-2010, 18:12
SammyKay's Avatar
SammyKay SammyKay is offline
Smentor all the way
AKA: Samantha
FRC #0316 (LuNaTeCs)
Team Role: College Student
 
Join Date: Jan 2008
Rookie Year: 2007
Location: Salem County, New Jersey
Posts: 143
SammyKay has a spectacular aura aboutSammyKay has a spectacular aura aboutSammyKay has a spectacular aura about
Send a message via AIM to SammyKay
Re: Wtteriarming up the batteries

Quote:
Originally Posted by Al Skierkiewicz View Post
Ally,
There are a few answers here. The batteries that are from previous years, 2007 or earlier have likely reached their maximum life. If they cannot hold a charge, it is time to recycle them. Our batteries have a useful life span of a maximum of 400 charge/discharge cycles. If they are run hard (drained in one match) you can expect that to be much less. If you have used them for a significant number of demos and off-season play then it is likely that even this year's batteries could be at the end of their life. A battery load tester can tell you for sure. A voltmeter cannot tell you anything about the battery without a load. The one I recommend is the CBA-II from West Mountain Radio. It is expensive but worth every penny. it even allows you to test the battery and overlay it with last year's test of the same battery to track age differences. We have been using mine since 2004.
For those that might be wondering, yes batteries can fail right out of the box. Dropping, holding by the wires and poor storage can kill batteries. Over charging, higher than 6 amps, will also kill a battery no matter how much you think you are monitoring it. With AGM batteries, the higher voltage encountered with high current chargers, can punch through the glass mats and cause hot spots inside the battery.
I believe we have tried using a batter load tester. I'm not totally sure, but I think so. As Ally said, we are unable to get into the workshop until January to test the batteries any further.

Thanks everyone for all these ideas! We've been kinda lost about what is wrong and where to go from there, but these should really help us out
__________________
Smentor of team 316, the LuNaTeCs and volunteer of the Bayou Regional 2012
 


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
batteries on the controler coolguybigt Control System 6 25-02-2007 11:43
YMTC: The Twelve Batteries of Christmas Natchez General Forum 5 04-02-2007 14:44
Nasa study on Global Warming thegathering Chit-Chat 11 28-09-2006 07:18
Charging the 7.2 Volt Batteries roboticsguy1988 Control System 43 17-01-2006 20:59
Slightly humorous story about global warming & space explor. archiver 2001 3 24-06-2002 04:01


All times are GMT -5. The time now is 23:19.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi