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LiPo Batteries


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#1 darkfang68

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Posted 07 November 2008 - 04:18 PM

I am going to purchase a LiPo battery and I want to make sure that I have all the right equipment to charge it safely and effectively.  I want to be able to have maximum battery life by charging it.  What type of charger will I need and is a balancer neccessary?  Also, how do you charge a LiPo battery?  Thanks, any information will be greatly appreciated.

#2 Blacssr@bellsouth.net

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Posted 07 November 2008 - 06:32 PM

View Postdarkfang68, on Nov 7 2008, 07:18 PM, said:

I am going to purchase a LiPo battery and I want to make sure that I have all the right equipment to charge it safely and effectively.  I want to be able to have maximum battery life by charging it.  What type of charger will I need and is a balancer neccessary?  Also, how do you charge a LiPo battery?  Thanks, any information will be greatly appreciated.


Lipo batteries require a little extra care. I have been running lipos for about a year now with zero issues.

In order to properly care for Lipos you need to start with a good charger/balancer. I highly recommend this unit:

http://www.hobbycity...?idProduct=6478.

It is extremely reliable and charges every type of battery made for the hobbyist. I ordered mine from HK via eBay and paid about 80 bucks or so. Worth every penny.

Keep in mind that the higher the "C" rating the more "Punch" Lipos will give your weapon. I have been experimenting with various "C" ratings and find that 30-40 "C" is the sweet spot for a 475-500 FPS with the Systema Magnum Motor with average of 33 bps.

#3 darkfang68

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Posted 07 November 2008 - 07:12 PM

View PostBlacssr@bellsouth.net, on Nov 7 2008, 09:32 PM, said:

Lipo batteries require a little extra care. I have been running lipos for about a year now with zero issues.

In order to properly care for Lipos you need to start with a good charger/balancer. I highly recommend this unit:

http://www.hobbycity...?idProduct=6478.

It is extremely reliable and charges every type of battery made for the hobbyist. I ordered mine from HK via eBay and paid about 80 bucks or so. Worth every penny.

Keep in mind that the higher the "C" rating the more "Punch" Lipos will give your weapon. I have been experimenting with various "C" ratings and find that 30-40 "C" is the sweet spot for a 475-500 FPS with the Systema Magnum Motor with average of 33 bps.

That charger looks great except will it work with a 11.1v firefox 1200mah 12c battery?  This is the battery I am planning on getting.  also, can you give me a little info on how to use the charger and how you charge your batteries every time.  it looks kind of complicated.  thanks.

#4 brooklyn468

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Posted 07 November 2008 - 07:32 PM

View Postdarkfang68, on Nov 7 2008, 09:12 PM, said:

That charger looks great except will it work with a 11.1v firefox 1200mah 12c battery?  This is the battery I am planning on getting.  also, can you give me a little info on how to use the charger and how you charge your batteries every time.  it looks kind of complicated.  thanks.

The one for the stock tube on Evike? Yeah, I hear it is good. And it should work with the charger.

#5 Blacssr@bellsouth.net

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Posted 07 November 2008 - 07:55 PM

View Postdarkfang68, on Nov 7 2008, 10:12 PM, said:

That charger looks great except will it work with a 11.1v firefox 1200mah 12c battery?  This is the battery I am planning on getting.  also, can you give me a little info on how to use the charger and how you charge your batteries every time.  it looks kind of complicated.  thanks.

The charger can be a little intimidating at first, but once you get it it is real easy to use. It is completely menu driven in plain English. A few menus/buttons and you'll be charging in no time. I use it almost everyday and love it.

It works with all Lipos regardless of C rating. Just a rule of thumb, never charge at a higher rate then mah rating.

Example: 1200 mah Lipo charge at 1.8 amps or less. And so on......

I balance once every 5-6 cycles. It take about 1 hour or so.

Edited by Blacssr@bellsouth.net, 07 November 2008 - 07:56 PM.


#6 darkfang68

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Posted 07 November 2008 - 08:44 PM

View PostBlacssr@bellsouth.net, on Nov 7 2008, 10:55 PM, said:

The charger can be a little intimidating at first, but once you get it it is real easy to use. It is completely menu driven in plain English. A few menus/buttons and you'll be charging in no time. I use it almost everyday and love it.

It works with all Lipos regardless of C rating. Just a rule of thumb, never charge at a higher rate then mah rating.

Example: 1200 mah Lipo charge at 1.8 amps or less. And so on......

I balance once every 5-6 cycles. It take about 1 hour or so.

Heres the thing I don't really know what you mean by a lot of the stuff with amps and everything.  I don't have any experience with lipos and I'm just used to plugging a 9.6 into a smart charger and being done.  could you give me a quick run-through on how you would charge your battery on that charger?

#7 Guest_allizard_*

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Posted 07 November 2008 - 09:04 PM

They best thing for you to do... is go to your local RC hobby shop and ask the people there. So you can see and feel the charger and how it works.

#8 threadkill

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Posted 07 November 2008 - 09:43 PM

View PostBlacssr@bellsouth.net, on Nov 7 2008, 09:32 PM, said:

In order to properly care for Lipos you need to start with a good charger/balancer. I highly recommend this unit:

http://www.hobbycity...?idProduct=6478.
Also with an RC background, I've had an old tech computer controled charger (Litco Alpha 4) for many years. Having a multifunction charger is the the ultimate solution for charging and caring for your batteries; good investment, Since it runs on 12V (as did the Alpha), you have the perfect field solution if at an all-day or weekend event.

The learning curve for any of these devices is tolerable, and so is battery technology. Take a day or two of reading and contemplation.

The Alpha has limitations for NiMH and no Lipo, so I've been looking for something like this; price point seems very good. Thanks for the link, Blackssr, I'll be picking one up.

#9 Blacssr@bellsouth.net

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Posted 08 November 2008 - 06:02 AM

View Postthreadkill, on Nov 8 2008, 12:43 AM, said:

Also with an RC background, I've had an old tech computer controled charger (Litco Alpha 4) for many years. Having a multifunction charger is the the ultimate solution for charging and caring for your batteries; good investment, Since it runs on 12V (as did the Alpha), you have the perfect field solution if at an all-day or weekend event.

The learning curve for any of these devices is tolerable, and so is battery technology. Take a day or two of reading and contemplation.

The Alpha has limitations for NiMH and no Lipo, so I've been looking for something like this; price point seems very good. Thanks for the link, Blackssr, I'll be picking one up.


Welcome.

#10 Blacssr@bellsouth.net

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Posted 08 November 2008 - 06:05 AM

View Postdarkfang68, on Nov 7 2008, 11:44 PM, said:

Heres the thing I don't really know what you mean by a lot of the stuff with amps and everything.  I don't have any experience with lipos and I'm just used to plugging a 9.6 into a smart charger and being done.  could you give me a quick run-through on how you would charge your battery on that charger?


Sure.

1) Turn on Charger.
2) Plug in Battery Balancer Lead
3) Plug in Battery
4) Choose Lipo from Menu- Hit Enter- Set charge rate based on mah rating (Exp: 1200 mah would charge at 1.2 amp/hour). Confirm selection.
5) Unit beeps when done.

Manual can be found here: http://www.skyrc.us/pdf/manual_B6.pdf

Edited by Blacssr@bellsouth.net, 08 November 2008 - 06:18 AM.


#11 darkfang68

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Posted 08 November 2008 - 06:25 AM

View PostBlacssr@bellsouth.net, on Nov 8 2008, 09:05 AM, said:

Sure.

1) Turn on Charger.
2) Plug in Battery Balancer Lead
3) Plug in Battery
4) Choose Lipo from Menu- Hit Enter- Set charge rate based on mah rating (Exp: 1200 mah would charge at 1.2 amp/hour). Confirm selection.
5) Unit beeps when done.

Manual can be found here: http://www.skyrc.us/pdf/manual_B6.pdf

Okay thanks a lot I'll let you know if I run into any problems.

#12 urban_epidemic

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Posted 14 November 2008 - 05:55 AM

Just because it needs to be said, don't fully discharge a Lipo ever.

Discharging a Lipo beyond it minimum voltage will cause severe damage to the battery. I'm sure most of the chargers listed have voltage cut off built in to prevent total draining of the battery.




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