View Full Version : RTR Radio
YourDogg
07-17-2008, 12:20 AM
Does the radio for the K8T RTR only take AA batteries or can you put a battery pack in it?? if you can what would be a good size battery pack or how much mah.. whichever way you rate it.
razzor
07-17-2008, 04:40 AM
re you refering to the reciever battery or radio ???
reciever battery can be changed to a 6v 5cell receiver pack.
Capacities vary from under a 1000mah to 1600mah.
Popular 1400-1500 packs usually are good for running a 45min main.
Lipo is the new way forward though and would give better servo performance and longer run times as you can get packs of similar size that go up to around 2000mah.
We do change to battery packs on teh radios as well but more so for the high end digital ones. Popular change these days is also to lipo as rechargeable batteries dont last as long due to lower peak voltage.
vnmsgt
07-17-2008, 06:05 AM
He means the controller batteries. I could not say ever seeing anything more than AA's so he posted here to see if anyone knew.
razzor
07-17-2008, 06:46 AM
For std transmitters the best is alkaline AA batts.
YourDogg
07-22-2008, 12:17 AM
ok but why alkaline batts? whats the difference between those and normal ones? sorry for the late reply but i was away i will be away for like 10 days on friday.
razzor
07-22-2008, 03:25 AM
Alkalines just last a lot longer than your normal batteries.
YourDogg
07-22-2008, 11:07 AM
are they rechargable batteries.
razzor
07-22-2008, 12:46 PM
alkalines are not rechargeable.
I do believe you get rechargeable 1.5v batteries but they not available here.
Rechargeable nimh batteries work but due the battery voltage being 1.2v they dont stay at the voltage of the Alkalines and drop off to stabilise at around 10.5 volts.
YourDogg
07-22-2008, 11:51 PM
alkalines are not rechargeable.
I do believe you get rechargeable 1.5v batteries but they not available here.
Rechargeable nimh batteries work but due the battery voltage being 1.2v they dont stay at the voltage of the Alkalines and drop off to stabilise at around 10.5 volts. alright good to know thanks razzor
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