Sky LiPo Batteries - Page 2 - RC Groups
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Jun 30, 2011, 12:26 PM
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I just got two of these Sky Lipos 3330 30c 6s packs , but I can't find the charge rate , there's no info on the label or the website?

Anybody knows?


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Jun 30, 2011, 02:47 PM
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alexf1852's Avatar
HobbyPartz says its 3C.
Jun 30, 2011, 03:20 PM
rc crashburn's Avatar
I am using some SKY LIPO "ULTIMATE CHARGE SERIES" 1300mah-3S-40C batteries and the max charge rate is NOT anywhere to be found on the battery labels at all.

Where on their site do you get 3C max charge rate?
Jun 30, 2011, 03:48 PM
Registered User
alexf1852's Avatar
It was stated in a video that HobbyPartz put out about Sky Lipos. I think it is on their site under the Sky Lipo section.

I always charge them at 2C. They stay cool.
Jun 30, 2011, 05:03 PM
rc crashburn's Avatar
I saw the video (in the first post) and am thinking that a 2C rate (you suggested) may be no problem, but..

Don't they need to be more concerned about safety and documentation?

Perhaps post max charge rates on their website for each and every SKY LIPO size?

I don't think that every size can be safely charged at 3C rates...

And are these batteries lacking individual labeling to indicate "safe to charge" max rates?

Seems as if, so far, there have been no reports of customers that charge at the 3C rate.
Aug 24, 2011, 06:04 PM
Registered User
420flier's Avatar
Well this subject died quickly.

It is now 2 months later. Still no info on charge rates. Sky Lipo what the heck is the max safe charge rate?
Aug 24, 2011, 07:10 PM
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alexf1852's Avatar
3C. It's been stated in one of their videos.
Nov 17, 2011, 08:55 AM
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bob_nj's Avatar

Balance Connector

What balance connector does the Sky have when new?
Nov 17, 2011, 09:36 AM
Registered User
My 4s and 3s have jst-XH.
Nov 18, 2011, 02:37 AM
Registered User
bob_nj's Avatar
Thanks guys.
Dec 05, 2011, 12:07 PM
Planes & Falconry my passions
Feliperc's Avatar
I Love Sky Lipo packs.
We know that if we use the correct C rate in the pack, it will hold the V under load, that means that you will have "more power" in your motor (isn't really more power, is just that the V isn't going down like when you use the wrong C rate for your plane).
I have 20c, 25c and 40c packs. If I use the 20c pack on a plane that I should use 25c I can feel that the plane is under powered and the Battery gets really hot trying to deliver the juice that the motor is pulling (the V isn't been holded), if I use the 25c pack (The right rate for that particular plane) you can feel the difference, it just rocks! but if I use the 40c rate pack (Sky lipo) nothing happens, I mean, there is no difference between the 25c and the 40c, both are just great. In my personal experience, my set up won't take more from my pack just because the C rate is higher, my set up will just use what it needs. Again, this is just my personal opinion based on what i have tried.

Now, what I can say makes a big difference is the metal plates on the Sky lipo batteries, they really work. The packs don't get that hot as the others and the price is really good. I would never buy other brand again!!!!
Originally Posted by hobbypartz
Here's a testimonial from one of our fan Phil Landram
Received two of the new Sky Lipos today. I ordered a 40C 4S 2200 for my Air Field F-4 and a 30C 4S 1000 for my T-33. I am very impressed with both. The T-33 topped out at 82 mph with the same voltage from another company. With the Sky Lipo it averaged 92 mph and did not seem to get hot. The 40C on the F-4 blew me away. With a 30C 2200 Blue I was able to get to max out at 71 mph and hand launching it was a disaster waiting to happen. With the 40C the jet just flew right out of my hands! The top speed was 88.2 mph! All that said, neither jet has the stock gear and are set up for running a four cell set up. From now on I will only buy Sky Lipos!!! What a great buy!!
Dec 06, 2011, 12:04 PM
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7oneWo1f's Avatar
What is the overall pack internal resistance for the 77P-SL3300-6S1P-30C-6666? Also when will you get 98P-25C-3300-6S1P back in stock?

Mar 07, 2012, 03:27 PM
Registered User
Cub Flyer Fresno's Avatar
Feliperc, this may seem like a stupid question, but how do you know what the correct C rating is for your setup? For instance I have a Monster Power 25 with a 60A ESC, 60A cause that's what I had on my shelf. I think I have a 12x8 prop on the thing. Works great with a 4 cell 2200 (can't remember the C as I'm at work).

Mar 07, 2012, 03:42 PM
Registered User
Cub Flyer Fresno's Avatar

Lipo Connections

Hey, just a thought after reading a previous post. Why don't battery mfg's add a designation to their batteries for different types of connectors? For instance, I'm using Deans, sure would be nice. I guess it would make stocking them more difficult then. Hmmm... What about short leads on the batteries then giving the choice of adapters?

Any thoughts?
Mar 09, 2012, 01:40 AM
Registered User
Dennis Everett's Avatar
just got anothe sky lipo yesterday , 2s 1600 pack to use for a receiver pack , one cell was 3.7 volts , the other was 1.7 volts , i charged the low cell by itself and after about 10 cycles looks like the battery is ok , only time will tell ...

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