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Best choice for a second battery for a F-27C

Old 12-29-2006, 12:41 AM
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ruapilot2
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Default Best choice for a second battery for a F-27C

Hi guys,
I am new to electrics - I picked up a F-27C and I am looking to get a second Li-Po battery. Any suggestions?
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Old 12-29-2006, 02:34 AM
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Moonwalker
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Welcome to Wattflyer.

I would look for a 3 cell lipo with 15C or above that can fit into your lipo charger and similar size to what you have which is 2200mah. If you got the charger from Parkzone, then it has a balancer plug for 2 and 3 cells BUT it will not fit many brands as the polarity is reversed and you will blow the fuse on it if you try to charge them on it.

Here are two brands which fit that charger:

Lipoly Lites 2100 mah 3S is a good battery and has a higher C rating than the Parkzone stock battery. It also has the astroblinky balancer plug type so it fits right in the Parkzone charger. I bought mine at zebrahobby.ca

Same with Apogee packs. I think Apogee makes a 2200mah 3s battery but it fits that charger as well.

If you go with Thunder Tiger or some other brands such as Flightpower, then you need to get a balancer plug adapter to fit them on the Parkzone charger or charge them with a new charger and balancer, which means shelling out even more cash.

BTW, c rating means you can discharge the battery at or below that rating but best to keep the discharge 80 percent or lower of the rating. For instance. A 20C rated 2100 mah pack can be discharged at 20 times 2.1 amps or 42 amps. The Parkzone battery is 12C which means it can be discharged at 12 times 2.2 amps or 26.4 amps. The stock plane and prop draws about 80 percent of that amount of amps in flight. Higher C rating means better battery that can be used later in higher power applications.

Have fun with that plane. I love mine.
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Old 12-29-2006, 08:48 AM
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thunder 21
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thunder power 2070 extreeeeem 74 bucks 100 amp burst switch 2 deans
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Old 12-29-2006, 03:03 PM
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ruapilot2
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Thanks for the quick reply guys - this is a really great site! I already bought a separate charger because I wanted to be able to charge AC as well as DC so fitting the stock parkzone charger is not as critical for me. It is a Vision Peak Ultra by Dynamite and I built an adapter for the battery so that I could charge it.

I took a look at the Thunder Power 2070 3S 25C with 40C burst so I do not think I am looking at the same one that thunder is talking about.

I am assuming that these batteries will not result in more power but rather increased run time...is that correct?

Last edited by ruapilot2; 12-29-2006 at 03:34 PM.
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Old 12-29-2006, 04:52 PM
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Joe 1320
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Originally Posted by ruapilot2 View Post

I am assuming that these batteries will not result in more power but rather increased run time...is that correct?
No, you can't really assume anything. The mAh rating is what you need be concerned about if you want long flight times. The higher the number (in combination with the mAh rating), the longer your flights given all else being equal. The C rating is more like the amount of instant power. The higher the number, the more power you will be able to put though the motor or the bigger the motor you can use. However, the more instant power you consume, the shorter your flight times become.

for example, a 4200 maH battery SHOULD give twice the flight time over a 2100 mAh battery, provided you still use the same motor and consume roughly the same power in flight. However.... different batteries behave differently, the larger battery weighs more so more power may be consumed to acheive silimar flight, so ultimate flight times would likely be less. All kinds of variables, but I think you get the picture.
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Old 12-29-2006, 08:13 PM
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thunder 21
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the 2070 is 2 x more amps than the 2100 prolite and its less money if you decide 2 up grade youre power system later it will be nice 2 have a more capable bat.... you would giveup 30 miliamps=20seconds flight time,,weights are close
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Old 12-29-2006, 08:21 PM
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DetroitHawk
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Originally Posted by thunder 21 View Post
the 2070 is 2 x more amps than the 2100 prolite and its less money if you decide 2 up grade youre power system later it will be nice 2 have a more capable bat.... you would giveup 30 miliamps=20seconds flight time,,weights are close

He does have a point, perhaps in the near future you are looking for speed, well this 2070 allows you to draw alot more juice allowing for small punches of crazy speed at silly numbers of amps.

However if you just want to get a few extra batteries to power the stock F27C then go with something cheeper and get two for the same price as his one. Randy from this site was shipping;
2 x 2200mah 3 cell lipo for i believe $75.

Look around for deals and think about what you intend to do with this battery.
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Old 01-05-2007, 03:30 AM
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ruapilot2
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Guys thanks for all the advice I really appreciate it! I ended up going for 2 DN power 2150 mAh 20C 3S. I will let you know how they work out.
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Old 01-05-2007, 09:37 AM
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thunder 21
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good luck and have fun
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Old 01-13-2007, 08:25 PM
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david1234
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Originally Posted by thunder 21 View Post
thunder power 2070 extreeeeem 74 bucks 100 amp burst switch 2 deans
I agree with Thunder 21, The extreme 2070 will give you more top speed with the same motor-propeller, and only slightly shorter flight times. It does this because it is able to hold the voltage up higher at the 22 amp + or - load.
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Old 02-06-2007, 04:56 AM
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radioflyer75
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Sorry to hijack, but what's the longest flight time anyone has achieved using the stock motor/electronics, but with a different battery?
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Old 02-09-2007, 09:51 PM
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JoshGordon
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Originally Posted by ruapilot2 View Post
Hi guys,
I am new to electrics - I picked up a F-27C and I am looking to get a second Li-Po battery. Any suggestions?

A number of customers are using our packs for this application.

Joshua Gordon
Common Sense RC
www.CommonSenseRC.com
Toll Free 866-405-8811
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Old 02-16-2007, 06:34 AM
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I plan on just getting another stock battery for now. Not looking to go faster or longer at this point and it's about 60 bucks at the LHS. Not to mention it plugges right into the stock charger. All are great suggestions above however. Especially if you are looking to upgrade your strykers power system in the future.

Happy high speed, low altitude-inverted flybys!!
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Old 02-16-2007, 01:36 PM
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Twizter68
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MaxAmps has 20C 3s 2100s for $49.99.....gives you some wiggle room for any later mods you might do.....
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Old 04-14-2007, 04:12 PM
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thunder power 2070 extreeeeem !
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Old 04-19-2007, 06:47 PM
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I'm going to order a bunch of these batteries and I have heard they are as good if not even better than TP batteries.
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Old 04-27-2007, 12:27 AM
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UncleBob
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Originally Posted by radioflyer75 View Post
Sorry to hijack, but what's the longest flight time anyone has achieved using the stock motor/electronics, but with a different battery?
I get 25+ minutes with a 2000mAh 3s pack, no problem. If I work it I can get over 30.
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Old 04-27-2007, 01:23 AM
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CaptEvo
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Originally Posted by JoshGordon View Post
A number of customers are using our packs for this application.

Joshua Gordon
Common Sense RC
www.CommonSenseRC.com
Toll Free 866-405-8811
Joshua, did they use the 8C packs or higher?
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Old 04-27-2007, 01:56 AM
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UncleBob
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The packs I use are the CSRC 2000mAh 8C econo packs - but I never run WOT more than a few seconds at a time. I'm a putter.

If you wanna run hard you need a higher rated pack.
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Old 05-02-2007, 12:44 AM
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tulz43
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As anyone tried one of the Align batteries?


http://www.amainhobbies.com/product_...ducts_id/11822
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