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12-25-2009, 09:08 AM
| #1 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
|  night crawler battery issues
ok we got 2 night crawlers charged both batteries and used both went to charge one and charger shows 6.02 volts and will not kick on charged a different battery and charger works checked other battery with a meter and it shows 6.7 volts wondering if its a bad battery or if low battery cutoff didn't work and let battery discharge to much
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12-25-2009, 09:11 AM
| #2 |
| MODERATOR™   Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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Using a lipo? Just read the manual and it says you have to select the battery type. Did you? It also says the lipo cut off is set at 6.0 volts. |
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12-25-2009, 09:21 AM
| #3 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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yes its a lipo no I didn't program esc thought it was rtr wonder why one worked and one didn't
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12-25-2009, 09:22 AM
| #4 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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Page 8 http://www.losi.com/ProdInfo/Files/LOSB0104_Manual.pdf Your charger should be able to go from 6 volts, at least I think it should. What charger? |
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12-25-2009, 09:30 AM
| #5 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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the esc is in the correct mode it blinked red then stayed red do you think it could be a bad battery can I get a different charger that will start at a lower voltage
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12-25-2009, 09:33 AM
| #6 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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my charger is a integy and it just charged the battery that was 6.7
Last edited by tt454; 12-25-2009 at 09:36 AM. |
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12-25-2009, 09:36 AM
| #7 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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If your charger can be changed to a 3.7 volt setting that would do it. Or you can set it for a low voltage on NiMh or NiCd setting and get some volts in. But since you say it's at 6.02 volts, I'm not sure what the issue is? |
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12-25-2009, 09:39 AM
| #8 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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its set at 4.2v lipo but has one lower setting of 4.1v li ion will that help
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12-25-2009, 09:49 AM
| #9 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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Try it on 4.2, or is that what you're trying already? I don't know how those chargers work, but for a 2 cell pack, there should be a setting for 7.4 volts or 2S or maybe even 6.0? 4.2 makes no sense. That'd be like having a setting for 8.4, which is what a 2S pack finishes at. 4.2 would be what one cell finishes at. I'm just getting confused over here. |
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12-25-2009, 09:55 AM
| #10 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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it is on 4.2 I also can choose the number of cells 4.1 li ion is the lowest choice
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12-25-2009, 09:56 AM
| #11 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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4.2 makes no sense to me. Try it yet? Or is this what you've been trying? Just try something, it seems like you need just a couple tenths of volts for that thing to work. |
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12-25-2009, 10:23 AM
| #12 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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ok I ran another battery I had in that crawler and it charges fine tried every setting on my charger and nothing with the first one is it possible balancing will help I don't have the adapter to plug up the losi battery to the blinky
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12-25-2009, 10:30 AM
| #13 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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The Blinky is great. Is the pin spacing correct on the balance plug? You can move wires around to get the Blinky to work if they are. Ever bump a battery?  |
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12-25-2009, 10:34 AM
| #14 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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no the spacing on the battery is too narrow
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12-25-2009, 10:39 AM
| #15 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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I have to use a Thunder Power adapter for a couple packs. Fits the narrower spacing. http://www3.towerhobbies.com/cgi-bin...&I=LXPUP3&P=ML If the NiMH setting won't put a couple of volts in the pack and if you don't want to try bumping the pack with another, and if you got the battery at your local hobby shop, take it back and see what they say. |
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12-25-2009, 11:17 AM
| #16 |
| RCC Addict Join Date: Oct 2008 Location: Plainfield, IL.
Posts: 1,297
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If you try the NiMH setting, only do it for 10 seconds then see where it gets you. Make sure you dont puff the pack.
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12-25-2009, 06:01 PM
| #17 |
| Rock Stacker Join Date: Nov 2009 Location: coalmont
Posts: 78
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I think I understand the charger a little better now I'm still new at this and bought some of my stuff used the 4.2v on the charger is the cutoff voltage per cell not the charge rate that is adjustable I charge around 1 to 1.5 one of the packs will charge now the other won't but voltage on it is still dropping its 5.6 now
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