Best* Lipo

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Best* Lipo

Postby Switchback » Sun Sep 11, 2011 7:45 pm

I know this will sound absolutely like a noobish re-post, but I need a Lithium Polymer battery for my M249 and a recommended charger. I know these types of batteries tend to chew up internals faster, but I need something better than an 8.4 and I figure I might as well get a more efficient battery.

So, I would appreciate links to reliable, inexpensive, mid-range powerful, high capacity Lithium Polymer batteries that will fit in the buttstock of an M249. I would appreciate if you could tell me how long you have used the battery you are recommending, and what kind of charger you use.

Thank you very much.
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Postby Jester316 » Mon Sep 12, 2011 1:54 pm

Battery: http://www.hobbyking.com/hobbyking/stor ... _Pack.html

Charger: http://www.hobbyking.com/hobbyking/stor ... arger.html

You need to find a power cable for the charger, as it doesn't come with a wall cable. But many things in the house use the same cable. My ICOM wall cable works perfectly.
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Postby wurger » Mon Sep 12, 2011 3:51 pm

This: http://www.hobbypartz.com/thac6smbachw.html handles all of my batteries. I added a cable from Amazon for $12 and can balance lipo, and charge using large/small Tamiya, Deans, and Traxxas connections (among others).
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Postby Switchback » Mon Sep 12, 2011 5:44 pm

So Wurger, I need to buy a balancer cord for your recommendation?

Also, Jester316, Sir? I use tamiya connectors, but am having some trouble finding the same battery with tamiya.
I know some people can solder deans really well, and would like it done, but my soldering gun is broken. Who would you recommend to get that done for both battery and charger?
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Postby Jester316 » Mon Sep 12, 2011 7:35 pm

I think JewishNinja could do it for you. He would charge $$ per battery/gun, but he could get everything you own changed over for you. I'd do it, but I live on the coast, and don't make it interior very much anymore. I bet there are also a number of others in the Portland area who would be willing to change your inventory over to deans.
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Postby ScaredShooter » Mon Sep 12, 2011 8:16 pm

I know this will sound absolutely like a noobish re-post, but... Just out of curiosity - what 8.4 are you currently using?

I'm running a 4600mah 8.4v and it clocks my CA M249 at about 19 rounds per sec, which I think is plenty fine for a support gun (sustained fire over a length of time). But I also recognize that your internals may be different than mine.

If you don't want to get too crazy with the ROF, I'd lean to a 7.4v LiPo way before using an 11.1 ~ as they say you'd get a fire rate similar to a conventional 9.6 NiMH.

Don't forget that as the size and stored mah volume of the battery increases, your output power does tend to go up. Amperage plays into ROF much like how voltage does.

But if you really want the 11.1 then that's up to you and your partner (gun).

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Postby wurger » Mon Sep 12, 2011 8:37 pm

Switchback wrote:So Wurger, I need to buy a balancer cord for your recommendation?


No, you don't have to, I just wanted a single cable to charge all of my batteries. My charger didn't come with a small Tamiya plug, just large, so you would need to use an adapter to charge most lipos.

This is the cable I got:

http://www.amazon.com/Mega-Charge-14-in ... 908&sr=8-2
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Postby Switchback » Mon Sep 12, 2011 9:48 pm

ScaredShooter wrote:I know this will sound absolutely like a noobish re-post, but... Just out of curiosity - what 8.4 are you currently using?

I'm running a 4600mah 8.4v and it clocks my CA M249 at about 19 rounds per sec, which I think is plenty fine for a support gun (sustained fire over a length of time). But I also recognize that your internals may be different than mine.

If you don't want to get too crazy with the ROF, I'd lean to a 7.4v LiPo way before using an 11.1 ~ as they say you'd get a fire rate similar to a conventional 9.6 NiMH.

Don't forget that as the size and stored mah volume of the battery increases, your output power does tend to go up. Amperage plays into ROF much like how voltage does.

But if you really want the 11.1 then that's up to you and your partner (gun).

Mmmm hobbyking. Good ol' cheap.


Good Sir! Noobish it is not.
I am using some pretty terrible 8.4's (as in electrical tape on one, and S4 TACTICAL in green paint on the other one). While I probably should stick with a 9.6 Nickel Metal Hydride (or Hydrate, I don't know), I'm seeing the shift towards Lithium Polymer in our community and want to try it out. I fire in short bursts to maximize my firepower; why use 20 shots to do what 5 will do just as well? I am not concerned with chewing up internals; four years of buying high quality AEGs has left me with an abundance of pistons, gears, wiring, and all the goodies needed to repair a stripped gear here and there. I want the 11.1 for the trigger response, but could be persuaded to buy a 7.4v. I'd even buy a regular 9.6 stick to stuff in my stock (nohomo) but I like the sound Li-Po-ed weapons sound.
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Postby Switchback » Mon Sep 12, 2011 9:50 pm

So that being said, do you gentlemen have anything of a lower voltage with a higher capacity (even though I've heard it is all about the discharge rate, like 20C)?
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Postby Jester316 » Mon Sep 12, 2011 9:56 pm

http://www.hobbyking.com/hobbyking/stor ... _Pack.html


You don't seem to understand LiPo batteries. As such, I recommend you DO NOT GET ONE.
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Postby Switchback » Mon Sep 12, 2011 10:15 pm

Jester316 wrote:
You don't seem to understand LiPo batteries. As such, I recommend you DO NOT GET ONE.


Alright, good enough.

So Scared, Sir: What kind of battery do you recommend? I'm at the point where I want one that is cheap, able to push ~9 box mags at a decent rate of fire, and going to fit in my stock. So yeah, a double stick battery will work. Do you have an AONW one?
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Postby Minerva » Mon Sep 12, 2011 11:23 pm

Switch just gonna chime in my .02 here.

I was in the same boat as you not too long ago, and was just getting into LiPo's. Really they aren't as complicated as everyone makes them out to be. Just don't be an idiot with your batteries and balance charge them every time.

Don't be scared away by the new-ness of the situation. You have to learn sometime. Just use some common sense and good judgement when using LiPo's because as said, they can be dangerous.

Back O/T: Get something around 25c and as large as you can fit in the damn thing. Don't whack it, smash it, or shoot it. Balance it and you'll be fine. IF it ever does puff up, throw the little thing somewhere it won't create a massive fire and dispose of it.
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Postby ScaredShooter » Tue Sep 13, 2011 6:48 pm

This is the battery I run in my Saw, yep it's from AONW.
(The 8.4 I mentioned)
It comes wired to large tamiyas, so if you see me at an event soonish just ask me to try it with your gun real quick. Like I said, it chronos about 19 BBs per second in my M249. Don't know if yours would be much different.

The only thing I'd say about LiPos is balance charge them, run them with an alarm so they dont get dangerously low ($7 from AONW), and definately hit them with a hammer or sharp object as much as possible. No seriously, they're not that big of a deal.

And did you say you want a battery that can run you through about 9 box mags? I think you'd need several batteries for that application.
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Postby league 4 » Wed Sep 14, 2011 10:10 am

Just about the biggest non lipo you'll find is probably going to be 5000mah. You will need several of these for 9 box mags, but then again, you will never need to use up 9 box mags without having a chance to charge your battery.
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