transmitter battery recovering it
10-25-2017, 04:06 AM
#1
transmitter battery recovering it
my battery went low in my futaba transmitter a lipo 2200mah 8C so checking it one cell was way down to 2 volts, so I recharged is on a slow 500ma setting and it came back to normal I checed it 2 days latter after sitting and its still holding all cells 4.18 ,4.17, 4.19 V .is this possibly going to be OK?
10-25-2017, 04:28 AM
#3
battery recovery transmitter
Gee Thanks for the fast answer , so in other words if I get another 2 good charges out of it and never let it get down to 9 volts on my transmitter voltage like i stupidly did to cause this I guess unless its just a bad cell however if it continues to recharge 2 times or more and I recharge it after it goes down to a safe voltage like 10.5 volts on my transmitter then recharge it , your saying it may be good for a long time? hhmmm
10-25-2017, 11:29 AM
#6
Senior Member
Chances are very good that you can still use that battery for a long time. What happens under the conditions you described is that the internal resistance goes way up but; at the low discharge currents your transmitter uses, it will not have any serious problems.
10-25-2017, 03:02 PM
#10
suzanka. That transmitter is designed to work with an eight cell NiCad battery pack with a 9.6 steady state voltage. You better ask the Futaba support if the higher voltage you are using is detrimental to the transmitter's survival over time. Guys I fly with have fried their transmitters when doing this. Sorry to throw a wrench in to your post here but I would feel guilty if I just ignored it. Dan
10-25-2017, 07:09 PM
#11
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If one insists on running a 3S lipo in a legacy 8 cell transmitter, it's a good idea to add 2 diodes in series with the pack. This will drop the full charge voltage to about 11.2V, exactly what an 8 cell Nixx pack will charge to. It also will correct the low voltage warning, so you will be less likely to run the lipo too low.
On the other hand, 3S Life transmitter pack is probably a simpler and safer choice.
Pete
On the other hand, 3S Life transmitter pack is probably a simpler and safer choice.
Pete
10-26-2017, 01:10 PM
#12
diode in transmitter pack
If one insists on running a 3S lipo in a legacy 8 cell transmitter, it's a good idea to add 2 diodes in series with the pack. This will drop the full charge voltage to about 11.2V, exactly what an 8 cell Nixx pack will charge to. It also will correct the low voltage warning, so you will be less likely to run the lipo too low.
On the other hand, 3S Life transmitter pack is probably a simpler and safer choice.
Pete
On the other hand, 3S Life transmitter pack is probably a simpler and safer choice.
Pete
Last edited by suzonka; 10-26-2017 at 06:56 PM. Reason: spelling
