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Old 21-12-2012
Loheswaran Loheswaran is offline
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Exclamation ATTENTION LIPO PACKS

Dear all!!!!!!!!!!!!!!!!!!

BE WARY OF USING LIPO PACKS AS REPLACEMENTS FOR NIHM PACKS!!!!!!!!!!!!

I HAVE HAD THE MISFORTUNE OF BLOWING SOME IC'S IN MY TRANSMITTER RECENTLY, AND HAVE NOW HAD TO MISS A FEW RACE MEETINGS THAT I WAS REALLY LOOKING FORWARD TO

The problem is that on full charge the voltage can easily overload and blow a circuit.

take care
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Old 21-12-2012
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the voltage a full charge lipo should if charged properly be below that of a set of nimh's/nicads battery pack and shouldn't be a problem, what happened and how did it happen
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Old 21-12-2012
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I asked someone at KO when I bought RClazy lipo for my Esprit III and he told me not to fully charge it so I stop the charging at around 4.00/4.10 for each cells.
I noticed the module was hot when fully charged so yes it is safer not to fully charge a lipo for a transmitter, you don't want to burn that one !
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Old 21-12-2012
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crazy but good to know
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Old 21-12-2012
mattr mattr is offline
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Use a LiFe instead.
6.6v fully charged, not 8.4v.
(and cheap as chips)
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Old 21-12-2012
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Quote:
Originally Posted by mattr View Post
Use a LiFe instead.
6.6v fully charged, not 8.4v.
(and cheap as chips)
????? Cracking sugestion when the low voltage cut off on ko is 9 volts... You use a 3s in ko transmitters.
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Old 21-12-2012
Loheswaran Loheswaran is offline
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Default part my own idiocy

I will admit that i am an architect of my own downfall- although the shop i bought from gave some truly idiotic advice.

I wanted to go lipo and asked the uk based shop where I got my radio from if he sold such an item. He said 'no - ur better of going onto ebay'. So i did just that and looked for a tx lipo for my ko ex 10 helios.

I simply balanced charged the damn thing as i could any lipo. I then plugged it on - no whizz no pop - simply drove up 80 miles to silverstone having got up at 5.30 - hey presto - no radio

I writing this coz o don't want anyone else to have the same experience.

Last edited by Loheswaran; 21-12-2012 at 10:43 AM. Reason: typos
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Old 21-12-2012
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I run LiPo in my Futaba 3VC for the last 2 years without one issue, balance charged it is only 0.6v more than 8 AA dry cells, I would assume that the voltage is regulated within the radio.
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