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› Battery questions for Trex e600
12-18-2013 11:22 PM  3 years agoPost 1
4ddavis

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Newport Beach,​California - USA

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Apologies if this has been addressed many times before but I searched as much as I could and while I found some info on what other people are using I couldn't figure out why they chose what they did.

I've been flying for a while but barely know anything about batteries.

I had a flightpower evo25
5000mah 6s 22.2V 25C with 50C burst

This worked really well but I think I discharged it too much and the heli performs much worse than it used to. I previously used a timer but I've heard you can have a low voltage alarm or something to get a better idea of the discharge?

I fly really mild 3d and I like to carry a camera on the heli so I guess high discharge rates are good, but I have no idea how high is appropriate or too much.

My balancer only has 6 pins so I'm afraid to buy any battery with a different balancer configuration than the previous one.

I'm also afraid of getting a battery that is too powerful or potentially damaging.

I have the Trex ePro 600 with the stock motor. I have heard about people burning out their motors or breaking them…

I'm looking at the zippy 30c 5000mah and the flightpower evo30 but I don't know if either one would work for me. There is also an enormous price difference.

Bottom line I'm really confused about what battery I need, any advice would be very much appreciated.

Over 100 years of aviation and we've never left one up there.

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12-19-2013 01:33 AM  3 years agoPost 2
Slowpoke

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Dublin, OH

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The Zippy 30C should work fine for sport flying, but you might want a battery with a higher C rating if you are doing 3D. On my 600, which I just do sport flying, the 30Cs work fine.

Yes, they have low battery alarms and such, but the best discharge indicator is how many milliamps you put back into the battery while charging. Using a timer on the radio is a good idea after you determine how far you are discharging the pack. For example, if you fly for 5 minutes, and on re-charge you put 2000mah back into the pack, you know you can set the timer for more time. Following the 80% rule on a 5000mah pack, you should be putting a maximum of 4000mah back into the pack.

I have a ProTech lipo gauge that measures how much capacity is left in the pack. They are not as precise as the charging method, but they are useful to get a rough ballpark. Every pack will be a little different.

You don't have to worry about getting a battery too powerful that it will damage anything as long as it's the same cell count.

You can buy balance plug adapters for $2 - don't worry about that.

The stock motor is fine, mine has been chugging along for over a year so far.

I've using the Glacier brand of lipo lately, they seem to be a decent battery for a good price.

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12-19-2013 11:58 PM  3 years agoPost 3
4ddavis

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Newport Beach,​California - USA

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Thank you so much! I was really pulling my hair out on this one. Hopefully I'll have the bird back in the air soon.

-Ford

Over 100 years of aviation and we've never left one up there.

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