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Old Sep 28, 2010, 04:17 PM
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Kansas City, MO
Joined Sep 2010
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Question
Can I use 3 Cell Charger for 4 Cell?

Ok..so I'm still learning all the terms ,and electrical stuff so bear with me

I've ordered and EDF jet which comes with a 4S 2200mAh 20C 14.8 Volt Li-Po Battery. I didn't order a charger hoping that maybe my collection of chargers here should work. Here are the ones I have:

3-Cell Balancing Lipo Charger 1.3A (this came with a Supercub LP)

Eflite 2-3 Cell Balancing Lipo Charger (came with Eflite Apprentice)

3-Cell 11.V Lipo Charger (came with Hobbico SkyFly Max 2)

Question I have is wheter any of these chargers would work for a 4 Cell Lipo battery?
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Old Sep 28, 2010, 04:24 PM
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So. Cal.
Joined Oct 2004
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Unfortunately, no. To charge a 4 cell lipoly, you'll need a 4 cell charger.

There are ways to charge a 4 cell battery with a 2 cell charger but it's highly recommended to get a proper charger in order to avoid arduously long charge times and other potential issues.

Mark
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Old Sep 28, 2010, 04:52 PM
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Kansas City, MO
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So glad I checked! Thanks Mark!
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Old Sep 28, 2010, 06:40 PM
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...and, welcome to RCGroups!
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Old Sep 28, 2010, 10:01 PM
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Mark, what does "arduously" mean?

I R 1,
Rick
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Old Sep 28, 2010, 10:22 PM
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In this usage...painfully.

-M
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Old Sep 28, 2010, 11:23 PM
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United States, CA, Alpine
Joined Oct 2007
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Yeah, you can't use a 3s charger to charge a 4s. A 3s charger cuts off at 12.6 volts, whereas a 4s lipos nominal voltage is 14.8v, fully charged at 16.8v.
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