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11-19-2014, 07:43 AM | #1 (permalink) |
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Join Date: Sep 2008
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Charging issue
Got ,my new PL8 with a MPA board.
Using 1400W PS. Set the charger to 24V.Chose preset 3 for High Power for charging 3 x 4000mAH lips in parallel.Set the charge current to 2C (8A), total of 24A. When I started the charging process, the current will never go over 2.0A. Anything am I doing wrong? Thanks Chris
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11-19-2014, 12:35 PM | #2 (permalink) |
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Join Date: Jan 2009
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Forget about using the xC option, it takes ages before the current ramps up. Just input the charging current manually.
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11-19-2014, 05:35 PM | #3 (permalink) |
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Thread Starter
Join Date: Sep 2008
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Is this manually option on the preset? I cant see how I can manually charge it.
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11-19-2014, 09:54 PM | #4 (permalink) |
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You can set the charge rate manually while starting up the charge cycle. The charge rate can also be set in the preset using the console or the PC software. Good descriptions in the manual.
Nice screenshot of the presets tab in the software http://www.revolectrix.com/Presets_Tab.htm
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11-19-2014, 09:58 PM | #5 (permalink) |
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I did it, but still the charge current stops at 2.5A
Will try to take a vid. I am sure i am doing something wrong.
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11-19-2014, 10:03 PM | #6 (permalink) |
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Low supply voltage or current limit set too high? Unstable supply?
FAQ - Powerlab Quick Start Guide - Wiring modes, Supply Limits and 1s charging If you have the CCS the supply tab shows the reason for limiting the current.
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11-20-2014, 02:53 AM | #7 (permalink) |
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Thread Starter
Join Date: Sep 2008
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Update: I reduced the low voltage supply from 24 to 10.
Was able to charge one 6S 4000mAh in 17' :thumb up: at 3C What Is still not clear is the charging voltage displayed:4.200v When do I need to change this value?And this value what is the outcome of? Thanks Chris
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11-20-2014, 03:45 AM | #8 (permalink) |
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Join Date: Jul 2012
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Maybe try taking a video of you going through your charging sequence. Something doesn't seem right. I can charge 6 3300 6S packs at 2C on high power with 24 volts on my power supply with no trouble.
Sent from my SGH-I757M using Tapatalk
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11-20-2014, 12:02 PM | #9 (permalink) |
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The issue has been resolved by lowering the low supply voltage setting.
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11-20-2014, 12:07 PM | #10 (permalink) | |
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Quote:
On the flip side, the RC Car guys like to over charge their packs for competitive reasons. This is not recommended as it dangerous and unhealthy for the packs. But in a competitive situation that little edge can be quite attractive regardless of the added risk and wear. Additionally newer packs support higher termination voltages such as 4.27v or 4.35v. Here is an example. http://www.store.revolectrix.com/Pro...70C-427HV-LiPO
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11-21-2014, 03:02 AM | #11 (permalink) |
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Join Date: Sep 2008
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Thanks a lot Greg.
All seems to works fine now. Did a couple of storage charges today and all is good. Still play ling around with presets on the software. Excellent charger and product. Well done Revolectrix!
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