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Author Topic: Battery question for CA M15A4  (Read 1953 times)

Offline GenTarkin

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Battery question for CA M15A4
« on: May 05, 2006, 11:06:41 PM »
I recently recieved my shiny new CA M15A4...I love the gun, lol these things are insane, first AEG =)

anyhow, I do have a concern.
I ordered a 9.6v 2500mah nunchuck style battery with it.
It came heatshrinked in black so I have no clue what batteries are beneath it.

Well, I wanted to verify its power output so I got my multi meter out and it turns out these batteries are pushing 10.70v!!(I tried 2 multimeters just to be sure also) I have no clue on the mah either now =( seems I did not get the right batteries or did I?

anyways, will this voltage hurt my CA M15A4 or can it handle it because of its factory internal upgrades.

Thanks,
Jason
« Last Edit: December 31, 1969, 05:00:00 PM by GenTarkin »
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Offline -MAD- SARGE

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« Reply #1 on: May 05, 2006, 11:48:15 PM »
Ok well with any battery a cell is roughly estimated at 1.2v, on average they are actually more than that. So hence a 9.6v battery will actually be more like around 10.4~10.6volts.  So your pack is in the normal range.  My 9.6v 1700mah @ 20 amp discharge rate is at 10.4volts at rest.  And no your gun will not be hurt by it.
« Last Edit: December 31, 1969, 05:00:00 PM by -MAD- SARGE »
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Offline deathbydanish

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« Reply #2 on: May 05, 2006, 11:51:40 PM »
Quote from: "-MAD- SARGE"
Ok well with any battery a cell is roughly estimated at 1.2v, on average they are actually more than that. So hence a 9.6v battery will actually be more like around 10.4~10.6volts.  So your pack is in the normal range.  My 9.6v 1700mah @ 20 amp discharge rate is at 10.4volts at rest.  And no your gun will not be hurt by it.


Seconded, the same will happen to 8.4V batteries as well. Have fun with your Classic Army M15A4!  :D
« Last Edit: December 31, 1969, 05:00:00 PM by deathbydanish »
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Offline Vince

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« Reply #3 on: May 06, 2006, 12:18:58 AM »
Yeah, you'll be cool..still the same milliamperage though, as advertised.
« Last Edit: December 31, 1969, 05:00:00 PM by Vince »
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Offline GenTarkin

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« Reply #4 on: May 06, 2006, 05:34:22 AM »
awesome!
well one other thing though, I set both multimeters to 200dc mah and only one of them read around 137.5 ... if it was accurate Im not sure, because the other one on the same setting came back with 0.0, this was on same charge state.

anywho, I think they should put the true voltage on the pack, cuz thats kinda freaky, I just ordered another 9.6v 2000mah and 8.4v 1100mah from all-battery just for kicks, gonna compare voltages.

That CA sure shoots fast, I sawed a thick box in half almost.. lol, insane when I put it on auto for first time.
I dont like the winding high cap magazines tho, think Im gonna get a few 130round non winding mags, it seems the winding one wont feed bb's properly when it gets close to needing to wind it again. I dont like that lol, probably not good on gun either.

well thanks for the response guyz, that 10.7 started to worry me there.
« Last Edit: December 31, 1969, 05:00:00 PM by GenTarkin »
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Offline MicrowvbleTurtle

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« Reply #5 on: May 06, 2006, 08:51:44 AM »
Like everybody already said, you'll be good to go on that battery.  Heck, I run a 10.7 on my non-upgraded AEG and it runs like a dream.

As for magazines:

I have six of the TM 68 rounders and I have absolutely no complaints.  I'm pretty sure there's a lot of other guys on this board that would agree with me.

I have one G&P 130 rounder that came with my AEG.  I haven't really used it as much as the TMs by now, so I'm not too sure on their reliability.
« Last Edit: December 31, 1969, 05:00:00 PM by MicrowvbleTurtle »
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Offline Vince

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« Reply #6 on: May 06, 2006, 09:19:49 AM »
The G&P's are pretty shitty...the spring has to be a lot longer to accomodate the longer BB channel, and, well, it just wears out and loses it's sproing REALLY quick -- just get a bunch of Tokyo Marui standards, or, if those are too expensive, maybe some MAG mags. Those are plastic but they're durable, feed well, and look acceptable.
« Last Edit: December 31, 1969, 05:00:00 PM by Vince »
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Offline Airsofter1

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« Reply #7 on: May 06, 2006, 09:44:50 AM »
I don't think the channel on the G&P mags are longer.  They are double stacked is all.  The bbs get stuck in the transition from a wider channel were it starts to taper into the narrow part.  Thats why people lube them to get them to function properly.  At least that was what I always thought.  I have only ever had one, and hardly every used it when did have it.  Buy TM standards, and you never have to worry about being apart of mag quality discussions like this.
« Last Edit: December 31, 1969, 05:00:00 PM by Airsofter1 »
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Offline -MAD- SARGE

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« Reply #8 on: May 06, 2006, 11:19:27 AM »
Quote from: "GenTarkin"
awesome!
anywho, I think they should put the true voltage on the pack, cuz thats kinda freaky, I just ordered another 9.6v 2000mah and 8.4v 1100mah from all-battery just for kicks, gonna compare voltages.


Well you didnt have to order two new batteries just to find out that all batteries are like that.  All batteries are actually higher in voltage than what they are rated for. The rating is kind of like a guarenteed voltage. They cant put the "true voltage" on the batteries because they will all vary somewhat. They can only tell you what you can expect. Take a regular 9volt battery that you get from the grocery store. Put that on your volt meter and you will read about 10volts. Another example an AA battery with a 1.5volt rating actually reads 1.6volts.  It's just how things are.  

Also for anyone who may want to know. When you put a load on your battery the voltage goes down and as soon as the load is removed the voltage should bounce back up to normal. If it doesnt go back or it goes back real slow then you battery is low on charge or you have a bad battery/cell.
« Last Edit: December 31, 1969, 05:00:00 PM by -MAD- SARGE »
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Offline GenTarkin

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« Reply #9 on: May 06, 2006, 06:00:19 PM »
ah thanks for the info sarge. =)
thats what I was thinkin about the load thing anyhow, that it actually will go down to that level when the current of the battery is requested.
makes sense...

well now I will have enough batteries to last a while =) I just wanted to order those 2 , that 2000mah everyone seems to love and I wanted to try the 8.4v just to see how much slower the gun is with one of those, I aim to try and wear out my internals as slowly as possible, if I can bear the slower fire rate =P

Thanks again
« Last Edit: December 31, 1969, 05:00:00 PM by GenTarkin »
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Offline -MAD- SARGE

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« Reply #10 on: May 06, 2006, 06:52:52 PM »
I personally dont feel that you should have to worry about wearing out your internals.  Back in the day gears and such were made of plastics. Now days most gears are made of some kind of metal. They last a lot longer. I have my CA M4 for about 3 years now and never had a problem with it. It still has the orginal parts minus a 120 spring and a systema silent piston head set. What I'm getting at is that you shouldn't feel that you need to run an 8.4v battery just so that you can extend the life of your gun.  At one time this was a good idea, but I believe now days the internals are so much better. It would be like saying well should I make it last 10yrs or 11yrs. What's the difference really, and I dont think that there is a difference. If you want a slower ROF for your tastes then by all means do that. But dont do it soley on the belief that you will be adding alot of life to your gun.
« Last Edit: December 31, 1969, 05:00:00 PM by -MAD- SARGE »
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Offline GenTarkin

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« Reply #11 on: May 06, 2006, 08:16:27 PM »
alright cool =) well I still wanna compare the difference in ROF hehe =)
these things shoot awfully fast rpm, I think its way faster then real steal isnt it?
dont know would be cool to be close to real fire rate of real steal =P
but who knows, I havent been in  a game yet, so I will learn as I go as far that is concerned I Guess.
« Last Edit: December 31, 1969, 05:00:00 PM by GenTarkin »
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