Can I use 3 Cell Charger for 4 Cell? - RC Groups
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Sep 28, 2010, 05:17 PM
Registered User

Can I use 3 Cell Charger for 4 Cell? 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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Sep 28, 2010, 05:24 PM
Registered User
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.

Sep 28, 2010, 05:52 PM
Registered User
So glad I checked! Thanks Mark!
Sep 28, 2010, 07:40 PM
Registered User
...and, welcome to RCGroups!
Sep 28, 2010, 11:01 PM
Frankenstein recycled packs
rampman's Avatar
Mark, what does "arduously" mean?

I R 1,
Sep 28, 2010, 11:22 PM
Registered User
In this usage...painfully.

Sep 29, 2010, 12:23 AM
Xpress..'s Avatar
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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