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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> Charging multiple receiver packs simultaneously
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Charging multiple receiver packs simultaneously - 8/19/2007 8:20:04 PM   
AIRPLANENUTS



Posts: 842
Joined: 7/21/2003
From: atlanta, GA, USA
Status: offline 		Guys, I read somewhere recently that if you have two battery packs plugged into the same receiver, you cannot charge the packs simultaneously. Something about the receiver creating a common ground, I think - but not sure. I'm making new packs now, and I'm assuming I need to have a pair of leads for each battery, one lead for the switch and the other lead for charging, thereby bypassing the switch in order to charge the battery. This makes sense to me, but if I'm going about it the wrong way, please let me know.

Thanks,
Rick

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RE: Charging multiple receiver packs simultaneously - 8/19/2007 8:25:58 PM   
Red Scholefield



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Joined: 12/8/2001
From: Newberry, FL, USA
Status: offline
quote:

ORIGINAL: AIRPLANENUTS

Guys, I read somewhere recently that if you have two battery packs plugged into the same receiver, you cannot charge the packs simultaneously. Something about the receiver creating a common ground, I think - but not sure. I'm making new packs now, and I'm assuming I need to have a pair of leads for each battery, one lead for the switch and the other lead for charging, thereby bypassing the switch in order to charge the battery. This makes sense to me, but if I'm going about it the wrong way, please let me know.

Thanks,
Rick



If the packs have their own switches and charge jacks you can charge both at once with some chargers, there are others that do not have a common ground where it won't work.


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Red S.
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Disclaimer: What I have written here are my thoughts and in no manner shape or form reflect the views of RCU

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RE: Charging multiple receiver packs simultaneously - 8/19/2007 8:50:14 PM   
AIRPLANENUTS



Posts: 842
Joined: 7/21/2003
From: atlanta, GA, USA
Status: offline 		Thank you, Mr. Scholefield. I'll make two leads for each battery, just in case Mr. Murphy decides to visit.

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RE: Charging multiple receiver packs simultaneously - 8/19/2007 9:27:03 PM   
Red Scholefield



Posts: 5040
Joined: 12/8/2001
From: Newberry, FL, USA
Status: offline 		There is a schematic at the Battery Clinic web site www.rcbatteryclinic.com that may be of some help here. Look for Parallel Operation article.



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Red S.
AMA 951 Leader Member
Disclaimer: What I have written here are my thoughts and in no manner shape or form reflect the views of RCU

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RE: Charging multiple receiver packs simultaneously - 8/19/2007 11:10:57 PM   
AIRPLANENUTS



Posts: 842
Joined: 7/21/2003
From: atlanta, GA, USA
Status: offline 		Thanks, Mr. Scholefield. Will do.

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RE: Charging multiple receiver packs simultaneously - 8/24/2007 6:40:08 PM   
Montague



Posts: 4653
Joined: 4/19/2002
From: Laurel, MD,
Status: offline 		You can also sometimes find (or you can make) a switch that also switches the ground as well as the hot lead. Most switches just do the hot lead, leaving a common ground, which is what messes with the charger.

I personally just unplug one RX battery from the RX when I charge my dual battery setup. In that plane, I can easily get to the connection between the battery and the switch, so it's easy for me to unplug. It might not be so easy for others.


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Kirk Montague Adams
RCCA 560

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