What is a typical load for a transmitter battery?  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> What is a typical load for a transmitter battery?
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What is a typical load for a transmitter battery? - 12/23/2003 3:51:00 AM   
zetor


 

Posts: 483
Joined: 11/14/2003
From: Kennesaw, GA, USA
Status: offline 		I understand that a receiver battery drains at a rate that is influenced by # working servos etc., but would a transmitter battery drain at the same rate sitting on a table and turned on as it would if the sticks were moving constantly? What is the typical load on a transmitter?
       Post #: 1

RE: What is a typical load for a transmitter battery? - 12/23/2003 8:41:47 AM   
shenion



Posts: 263
Joined: 3/19/2002
From: Stone Mountain, GA, USA
Status: offline 		A transmitter would be almost constant.

Since I get about 6 hours on a 800mAh batt, the current would be on the order of 120ma. I seem to remember measuring one at 80ma. This depends on the radio. A computer radio will probably draw more.

Moving the sticks will have little effect. Maybe a bit on computer radios as the MPU will be a bit more busy (some PCM radios optimize the data sent, the more it changes, the more often it is sent.)

It would depend a lot on the brand and type. Some early computer radios were known to eat batteries. Now, with CMOS processors, they draw little current.

It would be nice if radios gave an "run-time" rating like laptops do.

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(in reply to zetor)
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RE: What is a typical load for a transmitter battery? - 12/23/2003 11:53:40 AM   
Geistware



Posts: 12946
Joined: 4/9/2002
From: Locust Grove, GA, USA
Status: offline 		My Futaba 9C drains at about 300maH rate.
My 1650maH pack last about 5.5 hours.


quote:

ORIGINAL: zetor

I understand that a receiver battery drains at a rate that is influenced by # working servos etc., but would a transmitter battery drain at the same rate sitting on a table and turned on as it would if the sticks were moving constantly? What is the typical load on a transmitter?


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