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Zippy Flightmax LiFe batteries deliver full capacity & discharge as well as being the best value batteries in the hobby market today!
The Zippy Flightmax 2500mAh LiFe Receiver pack provides unequalled voltage stability and lighter weight than stock receiver batteries. Ideal for the latest high torque, high speed servos that require more current.
can I connect this battery straight to the Rx?
My set up as the following*
RX: AR8000 (max 8.4v)
Gyro: Futaba GY520 (max 6.0v)
Servo: Align DS620 (max 6.0v)
Yes, you can. I have multiple planes with this battery connected directly. Rx I have used with this battery are - Futaba R617FS, FrSky 7ch 2.4GHz FASST and a Futaba R149.
M
Yes, it can be charged in a LIPO charger. Just go in the User settings and change the cell voltage from 3.7 to 3.3. This will change the LIPO menu to a LiFE menu. Then charge/balance as a 2S battery.
I will.. Nexttime that I wont be so drunk. See I posted the question even after I purchased the battery.. It's going inmy viper jet 90 with the stumax and a cc ice2 120bc
2500mAh = 2.5 amp
then 5 x 2.5 = 12.5amps
Have this pack on my DLE55 Ignition and on the flight pack with 5 servos that can draw 1.2 amps under full load after the days flying when I charge the packs the ignition pack takes 1200mAh and the flight pack 900mAh so they are great packs for my large scale air planes will do about 10 - 15 flights of about 9min each
I have use 3 ZIPPY Flightmax 2500mAh 6.6V 5C LiFePo4 Receiver Pack.
Before first use I did full charge, full discharge and full charge again.
But you may not do it. This packs are good.
I use this pack for a .30 and .50 size Raptors with all digital servos and they work great.I can do around 4 7 minute flights with no problem. I think these packs can do even more but be sagfe and charge them at the field or have an extra charged on to throw in. If the 700 is a .60 or .90 size heli- I go with the 4200mah 6.6 volt pack for my bigger .60 Raptor and .90 Vigor Helis. The servos are alot higher torq and use up more power to run. Some Rudder servos and Gyros need 5volts so you might have to use a regulator on the .6volt pack.
Since the max runtime for my setup will probably only be 15 min. tops I should be ok with this pack. The book recommends a 1900 to 2300 7.4 volt
pack. I only have two main batteries, so it's going to be a long time between flights anyway.
Thanks for the info.
Measure your transmiter battery pack and get a lipo or a Life with the same dimentions that has the same voltage as the NIMH pack in there. You also need the pack to have a low C like around 10c would be perfect. Make sure it has a balance plug. I think you'll need a Lipo as the voltage for most transmitters are 7.4v. I upgraded my Futaba 12FG with a 7.4v Lipo a while back. As long as there 10c there jsut as good as a Life.
The 12FG and 8FG come with a 7.2 NiMH, but this battery fits perfectly in the same space. On the 8FG the software can be updated to version 4.0 (if it is not already that version). Then the low voltage alarm can be reset for the proper cutoff for this LiFe battery. Nice!
Battery died after 1st charge. Thanks God my $800 aircraft saved. Because I check the battery before every flight. After inspecting the same, I found out that the battery pack was swollen like a baloon. Money wasted!
If one of these packs has been charged on LiPo settings is it game over ? After correctly setting the charger, would a discharge followed by a balance charge bring it back to life ?
It's unlikely butb not impossible. LiFe are a fair bit tougher than LiPo and don't suffer the same thermal runaway risks.
Try balance charging it at 0.5c (on LiFe settings, of course) and then cycle it to see if you have retained capacity. Let us know how you get on. Puffing doesn't gaurantee a damaged battery.
Can these batteries power five Hitec HS-5485HB Digital Standard Karbonite Gear Servos in say a .60 sized plane. Or is the 5C rating make it only for smaller planes. How many flights can I hope to get with the battery. There is a 2100mah 30c which would deliver more juice but do I need it. These are nice as you can charge them with a standard 22AWG wire charge lead along with the balancing connector.
These 2500mah 6.6v lifepo4 batteries should work just fine on 5 Hitec HS-5485HB servo's. I am powering a 60 size GP P-47 with mine and I have a total of 7 hitec servo's. I am using a "y" cable so i am using 2 of these in parrallel.
So you do use two of these packs not one. Around how many flighs do you get on one charge. Can you go with only one pack on the plane as your plane is simular to mine. I also heard that these LIFE packs drop voltage sharply all at once so you have to charge them at the field if you want to fly many times. I heard they go from over 7volts then drop to 6.6volts then to 6v after which you get the sharp drop where you can loose the plane.
Yes I do use two of these 2500mah life4 batteries in my 60 size P-47 and si far I have only flown them 4 times at and had no trouble. I have not been checking the voltage after each flight but from what you have said about them dropping sharply after a few flight I am going to start.
I have been using these a while now and they can just keep putting out the power. I only use one in my .60 size warbird and have done 5 or so flights with no problem. To get an idea of where the drop off point for the battery is fly say 3 times for 5 minutes each time and check how much mah it takes to charge the pack to full, subtract that from the 2500mah capacity and you'll know how much of the battery your using for the 3 flights. That way you'll know around where the drop off point is for the battery for 15 minutes of flying time. I end up with 100mah use per minute on my plane.
All life packs drop off sharply at the end, that's why we like using them, a nice flat discharge curve. On this 2500 mAh battery the drop off will be somewhere around the 2200 mAh mark. So fly 3 flights then charge and see how much you put back in. If 3 flights you use 800 mAh then 6 flights takes you too 1600 mAh put back in the pack. Don't go any more and you will have a nice safety factor when flying. It's always about how much you put back in for life packs.
Usually 4,8V means 4s NiMh and 6,0V means 5s NiMh batteries. 5s NiMh pack can have higher voltage than 2s LiFe, so theoretically it could be used. Can't quaranee though
Iam buy 3kom , finally good replace for nimh rx battery pack.Servos and reciver work perfect without ubec.Recommend !
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__gery
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i bought 2 of them and used it in my sailing-boats at the 16. Naviga Worldchampionship. 5 to 6 races a day, the 2500 lifepo4 5C has enough capacity for more then 12 races! 2500mAh Lifepo4 is less weight than a 5-cell Eneloop pack! i will give away all my Nimh and change to Lifepo4!
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MAVER1CK
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Battery died after 1st charge. Thanks God my $800 aircraft saved. Because I check the battery before every flight. After inspecting the same, I found out that the battery pack was swollen like a baloon. Money wasted!
Smaller than it looks in picture one cell a little lower voltage than the other only reason giving a 4star rating. 2 cycles on it as of now, will comment to this post after more time using
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