Chief Delphi - How does your team charge & test batteries?

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- - How does your team charge & test batteries? (http://www.chiefdelphi.com/forums/showthread.php?t=114944)

Al Skierkiewicz

15-03-2013 09:58

Re: How does your team charge & test batteries?

Quote:

Originally Posted by mman1506 (Post 1248407)

We put a boat battery on are cart with a Turnigy accucell 6 wired up for internal charging,

You do realize that this charger is designed for NiMH and NiCD batteries and is not appropriate for charging lead acid?

engunneer

15-03-2013 10:37

Re: How does your team charge & test batteries?

Quote:

Originally Posted by Al Skierkiewicz (Post 1248466)

You do realize that this charger is designed for NiMH and NiCD batteries and is not appropriate for charging lead acid?

And also secret overnight charging is probably not a good idea. Thee is a reason they turn off power to the pits overnight...

We did our evening charging by bringing batteries and chargers back to the hotel. This carries it's own risks, but is safer than burning down your pit.

mman1506

15-03-2013 12:02

Re: How does your team charge & test batteries?

Quote:

Originally Posted by Al Skierkiewicz (Post 1248466)

You do realize that this charger is designed for NiMH and NiCD batteries and is not appropriate for charging lead acid?

For some reason its not listed on the webpage but it does have a Pb(lead) mode. It charges to the exact same voltage as are Dual Pro RS3.

mman1506

15-03-2013 12:05

Re: How does your team charge & test batteries?

Quote:

Originally Posted by engunneer (Post 1248469)

We do it in our mobile machine shop.

pyroslev

15-03-2013 12:36

Re: How does your team charge & test batteries?

No matter your level of FIRST, the Battery Beak is a must. It's proven to me which batteries are usable for match play and which are only for home testing.

We use 2 of the triple bank chargers on a cart made of recycled robot and prototype material. The cart also contains a Black & Decker charger with the plug on it for the battery along with 2 drill chargers, kit containing battery tags and the previously mentioned battery beak, and battery spill kit.

Edit: We leave our chargers at the pits at the competition but to cover ourselves we take 2 or 3 batteries back the hotel and put them on chargers. That way if the venue turned off the power, we've got enough to practice with and have 2 match batteries.

Ether

18-03-2013 21:09

Re: How does your team charge & test batteries?

Quote:

Originally Posted by Ether (Post 1248078)

I doubt that the selection of the CCA rating affects the load that the tester actually supplies -- only the way the tester interprets the data and displays it on the 3 LEDs.

YouTube video of a tester similar to the Wel-Bilt 125 provides supporting evidence for the above.

http://www.youtube.com/watch?v=tVHlG9qgr8k

Also, the Schumacher BT-110 manual is written in English and is much more detailed than the Wel-Bilt manual:

http://www.batterychargers.com/Docum...-99-000437.pdf

Quote:

I recommend that you ignore the LED readout, and use the actual voltage under load, and compare it to the value for a known good battery, and keep a time history of each battery's results to see trends.

If you're going to use the Wel-Bilt tester for FRC, I still think this is the optimum way to do it.

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