R/C Tech Forums

R/C Tech Forums (https://www.rctech.net/forum/)
-   Radio and Electronics (https://www.rctech.net/forum/radio-electronics-137/)
-   -   Futaba 4PX (https://www.rctech.net/forum/radio-electronics/809530-futaba-4px.html)

JayL 04-15-2016 02:19 PM

mine lasts about four race days before I recharge. I never let it go down to the point the radio beeps, I just recharge every four race days

One class
three 6 min quals and one 8 min main

usually three or four practice runs

brian6674 04-15-2016 03:02 PM


Originally Posted by turtle189 (Post 14493776)
Just curious how long a 1900 life pack should last in the 4px?

I get about 5 hours on mine.

turtle189 04-15-2016 03:14 PM


Originally Posted by brian6674 (Post 14493845)
I get about 5 hours on mine.

I'm not getting any where near that alarm comes on in a hour tops. Have lights off and screen dimmed.

jhautz 04-15-2016 04:10 PM

What is your alarm voltage set at? I set mine for 6v which is pretty conservative. I usually charge mine every few race days and never really see it go below 3.4v. The life packs can go lower than lipo packs.

turtle189 04-15-2016 04:21 PM


Originally Posted by jhautz (Post 14493896)
What is your alarm voltage set at? I set mine for 6v which is pretty conservative. I usually charge mine every few race days and never really see it go below 3.4v. The life packs can go lower than lipo packs.

Alarm is set at 5.7v

brian6674 04-15-2016 04:34 PM


Originally Posted by jhautz (Post 14493896)
What is your alarm voltage set at? I set mine for 6v which is pretty conservative. I usually charge mine every few race days and never really see it go below 3.4v. The life packs can go lower than lipo packs.

Mine alarm is @ 5.8V, My timer is now at 5H, 30Min and is @ 6.4V still.

This is the pack I am using:


http://www3.towerhobbies.com/cgi-bin...5&I=LXDVCE&P=K

turtle189 04-15-2016 04:45 PM


Originally Posted by brian6674 (Post 14493921)
Mine alarm is @ 5.8V, My timer is now at 5H, 30Min and is @ 6.4V still.

This is the pack I am using:


http://www3.towerhobbies.com/cgi-bin...5&I=LXDVCE&P=K

I have exact same pack in mine. Timer alarm is set at 5.8v also

Frank L 04-16-2016 06:52 AM

I have a few of these great pack and 1/2 price :cool:
They roll at least 2+ race days running 3 1/8 classes. 2 7 min quals and 3 20-30 min mains.
I always charge before the alarm comes on.

http://www.hobbyking.com/hobbyking/s...dProduct=28650

vsoltis 04-16-2016 07:17 AM

Guys, I have faced a pain in the ass connecting my 4PX with VRC-3 USB adapter.

If there is a chance that anybody could know the actual problem, please reply me your experience on solving it in the thread where I have described the issue:
http://www.rctech.net/forum/radio-el...r-problem.html

turtle189 04-16-2016 11:23 AM

Does leaving the life pack plugged in when not in use drain it down? I charged it up last night and it was 7.1v today it is 6.6v after being plugged in or is the life pack maybe bad?

jhautz 04-16-2016 12:05 PM


Originally Posted by turtle189 (Post 14494687)
Does leaving the life pack plugged in when not in use drain it down? I charged it up last night and it was 7.1v today it is 6.6v after being plugged in or is the life pack maybe bad?


I never unplug mine. My radio says 6.6 or 6.7v when putting in a battery I charged the night before. That seems to be what a freshly charged life settles to after charging for me. I leave the pack plugged in and don't notice any unusual battery drain from sitting.

I'll easily get 3 or 4 race days from a charged pack before it gets down to 6.2 v on the radio readout and then I charge it again.

I keep the led lights off and the screen brightness pretty low though. Just bright enough to easily read the screen in normal outdoor daylight.

turtle189 04-16-2016 03:37 PM


Originally Posted by jhautz (Post 14494702)
I never unplug mine. My radio says 6.6 or 6.7v when putting in a battery I charged the night before. That seems to be what a freshly charged life settles to after charging for me. I leave the pack plugged in and don't notice any unusual battery drain from sitting.

I'll easily get 3 or 4 race days from a charged pack before it gets down to 3.2 v on the radio readout and then I charge it again.

I keep the led lights off and the screen brightness pretty low though. Just bright enough to easily read the screen in normal outdoor daylight.

So do you turn the alarm off my alarm comes on at 5.8v and I can not change it that's the default setting when you select life pack.

jhautz 04-16-2016 05:31 PM


Originally Posted by turtle189 (Post 14494839)
So do you turn the alarm off my alarm comes on at 5.8v and I can not change it that's the default setting when you select life pack.


Oops I'm sorry. That was a typo. I usually charge when it gets to 6.2v (not 3.2)

I don't really ever hear the alarm. I usually charge before it ever goes off.

I fixed the original post too.

190mph 04-16-2016 05:38 PM

When I was binding those R204GF-E receivers the other week, I had the alarm come on at 5.8V and I never seen the voltage on a battery drop so fast as I kept at it for a minute or two. It went all the way down to like 4.8V on the 2 Life batteries I have. I quickly got to charging them back up again.

JAE 04-20-2016 02:41 PM

Can anyone describe with first hand experience, what the new software does for the speed/functionality of the remote? will I notice a differnece? I'm coming from a 4pskr btw thx


All times are GMT -7. It is currently 09:37 PM.

Powered By: vBulletin v3.9.3.9 Patch Level 3
Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.