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Originally Posted by banshee1
(Post 13980166)
Myself, like many of you don't like the low battery life of the 4R Pro so I looked into modding it to accept a 2s lipo and I was gonna run it through a CC 10amp BEC to bring the voltage down to around 6.5 volts or so. There's plenty of room for a small 3000mah pack and the BEC but the problem is that Spektrum in their infinite wisdom made it so you need the battery tray to hold the cover on.
I wanted to make sure I could buy a new battery tray in case I screwed it up trying to modify it so I could put a lipo in it and still have the tray in to hold the door on so I contacted Spektrum and they said I would have to send my radio in to get the tray replaced as it's not for sale to the public so that's not good. So now I'm thinkin' of buying either the NiZN's like many of you have done or going the high capacity LiFe 14500 route and add the missing links from another battery tray and solder some jumpers to make it a 2S3P setup as long as I can do it and keep the battery door on tight. The 4S I had before the 4R had a lipo in it. I was hoping it was something they would continue with the 4 series of radios. Never try to guess manufacturers line of thinking, it'll backfire. lol |
I was having problems with the sr2000 rx until I went to the NiZn batteries. High voltage is king in RC! Best $21 ever spent in this hobby.
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NiZN life
For those of you who've been running the NiZN's for a while how are they holding up and what kinda life are you getting? Reading a lot of reviews on Amazon and a lot of people are having problems with cells dying quickly.
Thanks. |
Originally Posted by banshee1
(Post 13994376)
For those of you who've been running the NiZN's for a while how are they holding up and what kinda life are you getting? Reading a lot of reviews on Amazon and a lot of people are having problems with cells dying quickly.
Thanks. With that being said, I have stopped using them. One day, when I put my radio away, I either left it on or accidently turned it on. Anyway, a few days later when I discovered it, I took the batteries out and they would not accept a charge. I have not bought any replacements because If I accidentally leave my radio on, again, I don't want to throw more "good" cells away. I have been using regular alkaline batteries and have not had any problems, so that is what I am going to stick with. tim |
7.4v Lipo for DX4R Pro
1 Attachment(s)
Here is a picture of my DX4R Pro with Lipo Conversion. Using a 1900 2S Thunder Power Lipo with a 3 amp 6v BEC.
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rms, how tight is your battery door? Looked at doing something similar (gonna use a CC 10amp bec myself) and thought about using a 3s. Thinking that with higher voltage a 1800mah or so pack will last a long time.
Did you take the whole tray out and stuff sides with dense foam or did you cut the tray? Replacement trays are available to public so I was hesitant on carving up my battery tray. Looks good. I have a couple of old SMC 1s 4200 packs from pan car days that are 1s2p that I made into a 3s that would fit (with CC bec) if I removed the tray itself. |
Originally Posted by banshee1
(Post 13995221)
rms, how tight is your battery door? Looked at doing something similar (gonna use a CC 10amp bec myself) and thought about using a 3s. Thinking that with higher voltage a 1800mah or so pack will last a long time.
Did you take the whole tray out and stuff sides with dense foam or did you cut the tray? Replacement trays are available to public so I was hesitant on carving up my battery tray. Looks good. I have a couple of old SMC 1s 4200 packs from pan car days that are 1s2p that I made into a 3s that would fit (with CC bec) if I removed the tray itself. |
Horizon Hobby won't hook you up
Originally Posted by rkhess
(Post 13285883)
Call horizon they'll hook u up
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I have not had a single issue with the NIZN batteries. Even lipo will die if run down. I am still seeing way over 6 volts after two days of racing. I swap my packs out when charging, as I am using two packs. I guess that lets the batteries last longer. I would like to see 1.8 volt batteries!
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Originally Posted by platgof
(Post 14022365)
I have not had a single issue with the NIZN batteries. Even lipo will die if run down. I am still seeing way over 6 volts after two days of racing. I swap my packs out when charging, as I am using two packs. I guess that lets the batteries last longer. I would like to see 1.8 volt batteries!
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Originally Posted by banshee1
(Post 13994376)
For those of you who've been running the NiZN's for a while how are they holding up and what kinda life are you getting? Reading a lot of reviews on Amazon and a lot of people are having problems with cells dying quickly.
Thanks. |
It has been a few years now, any word on a new pro?? I have a dx3. I'm looking at getting a new radio and if a new one is coming out soon, I'll wait :) want something that is left handed.
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The DX4R PRO can be configured for left handed people .
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Originally Posted by BashemSmashem
(Post 14027483)
The DX4R PRO can be configured for left handed people .
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Has anyone any idea of how to set up an aux channel for on off switch on the DX4r Pro?
My trusty DX3 s was simple and I have been using it for all my large scale stuff (all fitted with Killer Bee Kill switches) But at the moment, i am at a loss on how to set up the on off switch on the DX4r Pro. Any help would be appreciated |
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