Information on A123 Batteries.....
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Inline Ignition Voltage Reducer for A123 Using Diodes this unit will transform the 7.2v of a fully charged A123 to approximately 5.3v (under load) at the ignition unit. When the A123's voltage is in the last 25% of its capacity the ignition unit will see approximately 4.8v. Rcexl ignitions are warrantied for use with power supply that is under 6.00000v. This unit safely reduces your A123 power for your single or twin spark Rcexl ignition unit. When installing this unit, be sure to support the wire against vibration. Do not bend the shrink wrapped area where the diodes are installed. Comes with two universal servo safety clips.
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This is the ignition that I run...RXExcel 4.8v Electronic Capacitive Discharge Ignitions or CDI ===========>
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Information below curtesy of: http://scriptasylum.com/rc_speed/lipo.html
(A123 or Lithium Nano Phosphate Cells are balance wired the same as Li-Po or Lithium Polymer batteries)
Cellpro Multi Chemistry Charger
These are the chargers that
I prefer when charging my A123 packs up to 4 cells... These are idiot, and "Pakratt" proof! Even the ladies of my family can use these chargers with no hassles!
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Cellpro 4s Revolution Charger
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Using A123 and LiFePo4 Generic cells to run the field charger
Tired of lugging that usual lawn mower lead acid battery around to the field and back?
These won't work for the Electric flight batteries, but it's perfect for gasoline / glow airplanes
that only use the main reciever battery pack for operating receiver / servos / ignitions....
It's really surprising that you can get at least 3 good charges... maybe more.. (will report after some use)
on your RX batteries..... Use the 13.2v and 14.4 volt packs to run the field charger, charging your onboard
A123 - 6.6 volt battery packs.... nothing really fancy, just a lot of convenience factor here..... I like convenience.. ;-)
The Cellpro Charger is happy anywhere from 10 volts to 16 volts max. If you go above 16 volts with the Cellpro it
will error out and shut down to protect itself..... (I found this out when I was pulling off my truck battery, and the
alternator was pushing 16.5 volts while the engine was running... ended up having to put in a new voltage
regulator into my alternator, so it was a great test to see the charger in action, anyways......)
As WrongWay RC says:
"Finally, a 13.2v field pack that can fit in your pocket, charge it and it stays charged.... no lead acid....it works for me."
These won't work for the Electric flight batteries, but it's perfect for gasoline / glow airplanes
that only use the main reciever battery pack for operating receiver / servos / ignitions....
It's really surprising that you can get at least 3 good charges... maybe more.. (will report after some use)
on your RX batteries..... Use the 13.2v and 14.4 volt packs to run the field charger, charging your onboard
A123 - 6.6 volt battery packs.... nothing really fancy, just a lot of convenience factor here..... I like convenience.. ;-)
The Cellpro Charger is happy anywhere from 10 volts to 16 volts max. If you go above 16 volts with the Cellpro it
will error out and shut down to protect itself..... (I found this out when I was pulling off my truck battery, and the
alternator was pushing 16.5 volts while the engine was running... ended up having to put in a new voltage
regulator into my alternator, so it was a great test to see the charger in action, anyways......)
As WrongWay RC says:
"Finally, a 13.2v field pack that can fit in your pocket, charge it and it stays charged.... no lead acid....it works for me."