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Old 08-02-2006, 08:47 AM
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I am sure James or a few others can post more info. But there are rumors of a new Li-Po only charger swirling around the NW. It is due out 3-4th quarter from what I have heard. Not sure charge rates, features but I have heard t is coming.

You can also charge your Li-Po currently with your cell master just not at the higher rates that others are starting to use now.
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Old 08-06-2006, 02:12 AM
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just out of interest what CTX settings is everyone using
to charge thier IB4200SHV cells?

cheers
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Old 08-06-2006, 02:21 AM
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Originally Posted by nnick
You are using way low delta peak settings for this charger You should use something at the 20-30 range depending on the batteries and ambient temperature.

Nick
Sorry to quote an old post, but I was having the same problems as the previus poster that the quoted reply was directed at.

Could someone post some peak detect settings for some different types of cells?

I've running Eastpower (infinte power in the USA) 4200's, IB4200's and Peak GP3700 David Specials.
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Old 08-06-2006, 09:45 AM
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I use for all 4200's "06".
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Old 08-09-2006, 12:30 PM
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Default SHV IB4200 Profiles

I just got several match SHV IB4200 packs... Any have a Charging profile for these cells??? I checked Nexus Racing, and they do not have one... yet.
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Old 08-09-2006, 01:17 PM
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Originally Posted by Runin Ronin
I just got several match SHV IB4200 packs... Any have a Charging profile for these cells??? I checked Nexus Racing, and they do not have one... yet.
On the CTX charge profile article on Nexus Racing's site, they say to use standard linear charge for the 4200SHV. Here's the quote:

Note: For IB4200SHV cells, we recommend a standard linear charge. The linear charge will allow you to take full advantage of the VERY high power and run-time already offered by these cells.
I have some IB4200SHV packs just built that I haven't charged yet and wondering if linear charge is indeed better for the 4200s. Anyone else have experience with these batteries?
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Old 08-09-2006, 06:40 PM
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Originally Posted by AL-HEX
just out of interest what CTX settings is everyone using
to charge thier IB4200SHV cells?

cheers
I use the following w/ heatisnk & fans:

CTX Step 1 - 7A to 3000mah
CTX Step 2 - 7A to 3050mah
CTX Step 3 - 7A to 5000mah - 03 cuttoff, 50 degree cuttoff

Repeak in Linear @ 7A with a 10 cuttoff
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Old 08-09-2006, 07:18 PM
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Sorry but I have to ask why you waste a CTX profile to do a linear charge?
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Old 08-09-2006, 08:09 PM
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Originally Posted by Casper
Sorry but I have to ask why you waste a CTX profile to do a linear charge?
I was thinking the same. Maybe he meant a different charging amperage on the second step?
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Old 08-09-2006, 08:45 PM
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This is not that uncommon...
CTX profiles are locked against delta peak (but not temperature cutoff) in the first two steps, so you can use a linear CTX charge to set a long lockout by mAH instead of by time. I assume this is why FTNTC3 sets his CM this way.
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Old 08-09-2006, 08:58 PM
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Oh, and a linear charge works awesome for IB4200SHV cells. On the track, the cells feel like they maintain a relatively flat discharge curve with great power, even when charging at high rates (~6.0-6.5amps) for modified racing. I tray them to .60v before charging with the CTX-D in 5A linear mode.
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Old 08-09-2006, 10:13 PM
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Originally Posted by Nexus Racing
Oh, and a linear charge works awesome for IB4200SHV cells. On the track, the cells feel like they maintain a relatively flat discharge curve with great power, even when charging at high rates (~6.0-6.5amps) for modified racing. I tray them to .60v before charging with the CTX-D in 5A linear mode.
What do you set the delta peak to? The weather is HOT where I race.
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Old 08-09-2006, 10:56 PM
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Just bought one of these chargers, and I am enjoying the features. Just one concern: Is there anyway to reduce the fan noise?? I would be very grateful as it's incredibly loud.
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Old 08-09-2006, 11:06 PM
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oil the fan bearings
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Old 08-10-2006, 03:48 AM
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Originally Posted by Nexus Racing
This is not that uncommon...
CTX profiles are locked against delta peak (but not temperature cutoff) in the first two steps, so you can use a linear CTX charge to set a long lockout by mAH instead of by time. I assume this is why FTNTC3 sets his CM this way.
Correct.
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