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BACKUP/Redundant batteries - 5/15/2013 12:32 AM   
OhD


 

Posts: 853
Score: 100
Joined: 10/24/2002
Last Login: 5/22/2013
From: west hills, CA, USA
Status: offline 		Has anyone run a backup system with a DigiSwitch? I bought a plane that uses one set to about 5.5 volts and was thinking of running a parallel Jaccio regulator at 6.0 volts. It seems to work okay but there is some current being drawn from the battery supplying the Digiswitch even when the Jaccio is supplying the bulk of the current to the system. Anyone see any problems?

Removing the digi-switch would leave a big hole in the fuse.

Jim O

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RE: BACKUP/Redundant batteries - 5/15/2013 4:05 AM   
klhoard



Posts: 1190
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Joined: 9/4/2002
Last Login: 5/25/2013
From: Collierville, TN, USA
Status: offline 		 That's what stickers are for. . .


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Keith Hoard
Collierville, TN

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RE: BACKUP/Redundant batteries - 5/15/2013 4:32 AM   
Pablo Kuri


 

Posts: 37
Score: 100
Joined: 9/12/2006
Last Login: 5/15/2013
From: Quito, ECUADOR
Status: offline 		I am using this. And it works good.

PowerBox™ Electronic Switch

Parallel redundant switch and regulators all in one. Ideal for smaller models and models up to 27%. Will handle up to 5 amps continuous. The switch is a fail safe type with led lights for visibility. Designed to work with any of the DURALITE PLUS batteries.
• Power handling up to 5.0 Amps (according to heatsink)
• Two independent linear voltage regulators, supplying 5.90 Volts
• Two independent electronic switches
• Two volt controller ( in 4 steps ) for each battery
• Two Low voltage memory for both batteries
• SET button for On / Off switching protection
• LED indicators for both power circuits
• Operating voltage range 4.0 to 9.0 Volts
• Temperature range -10° to +75° C
• Voltage loss approx. 0.35 Volts
• Weight only 35 grammes incl. all cables


Pablo

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RE: BACKUP/Redundant batteries - 5/15/2013 4:33 AM   
Pablo Kuri


 

Posts: 37
Score: 100
Joined: 9/12/2006
Last Login: 5/15/2013
From: Quito, ECUADOR
Status: offline 		https://duraliteflightsystems.com/image/cache/804000-500x500.jpg

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RE: BACKUP/Redundant batteries - 5/15/2013 7:40 PM   
OhD


 

Posts: 853
Score: 100
Joined: 10/24/2002
Last Login: 5/22/2013
From: west hills, CA, USA
Status: offline
quote:

ORIGINAL: Pablo Kuri

I am using this. And it works good.

PowerBox™ Electronic Switch

Parallel redundant switch and regulators all in one. Ideal for smaller models and models up to 27%. Will handle up to 5 amps continuous. The switch is a fail safe type with led lights for visibility. Designed to work with any of the DURALITE PLUS batteries.
• Power handling up to 5.0 Amps (according to heatsink)
• Two independent linear voltage regulators, supplying 5.90 Volts
• Two independent electronic switches
• Two volt controller ( in 4 steps ) for each battery
• Two Low voltage memory for both batteries
• SET button for On / Off switching protection
• LED indicators for both power circuits
• Operating voltage range 4.0 to 9.0 Volts
• Temperature range -10° to +75° C
• Voltage loss approx. 0.35 Volts
• Weight only 35 grammes incl. all cables


Pablo


Thanks Pablo. Sounds like they work in parallel with no problems. In your system I assume both packs discharge evenly. I'm trying to set it up so the backup is not used unless the main (6.0v) batt./regulator fails. That is why I was curious to see if the Digiswitch would turn off if the buss was at a higher voltage than the regulator in the Digiswitch.

Jim O

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RE: BACKUP/Redundant batteries - 5/15/2013 10:10 PM   
apereira


 

Posts: 1326
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Joined: 6/30/2002
Last Login: 5/25/2013
From: Caracas, VENEZUELA
Status: offline 		Jim,

The DualBatt Digiswitch usually does not discharge both packs evenly, they are almost always different, I say almost as Tuny's always does and I am using Emcotec's so do not know if it is like that to all Digiswitches. The Emcotec DualBatt does discharge the packs evenly, but that is just information as that is what I use now.

Regards.

Alejandro

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RE: BACKUP/Redundant batteries - 5/15/2013 10:42 PM   
danamania


 

Posts: 276
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Joined: 10/21/2011
Last Login: 5/25/2013
From: Stewartsville, NJ, USA
Status: offline 		+1.  These are what I have been using for about 2 years now.  Since I had one on-hand, that's what went into the Nuance last summer.  They go by the name of PowerBox Sensor in the States, at least that's what mine was labeled.

quote:

ORIGINAL: Pablo Kuri

https://duraliteflightsystems.com/image/cache/804000-500x500.jpg



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Good Flying! Dana
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RE: BACKUP/Redundant batteries - 5/16/2013 3:10 AM   
kevenoco


 

Posts: 41
Score: 100
Joined: 5/6/2005
Last Login: 5/24/2013
From: Houston, TX, USA
Status: offline 		I have the same switch Pablo has. It is a PowerBox Sensor.

http://www.powerbox-systems.com/e/powerbox_systeme/powerbox_sensor/start.php

It acts as a redundant setup diverting power to both outputs in case one battery goes out. Otherwise it acts as 2 independent regulator switch systems. I use mine with one output to power the Rx the other to power my CDI. If the RX battery is unplugged the CDI battery will power both the CDI and the Rx with no interruption. The batteries drain independently so you could keep a back up fully charged.

I also have an EMS Ultimate Battery Backer. It does not work well with my Spektrum radio system. When I unplug the main battery there is a momentary lag until the Rx powers up with the back up battery. This probably would be okay in an emergency but I decided to go with the PowerBox instead.

Keven



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