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Old 06-20-2003, 03:25 PM   #1
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Default rechargeable batteries

I just had this question that i wanted answered. Most Recievers take 8 AA 1.5v battries. I don't want to spend that much money on battries all the time.
I could go and buy rechargeable ones but those are only 1.2v each and if I use those, It throws me back 2.4 volts. I don't know if thats a good idea or bad. what are my alternatives.


Thanks guys.
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Old 06-20-2003, 04:42 PM   #2
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Hmm.. You must mean Transmitter. I've never seen a reciever that used 8 batteries. ( most would fry with 7.2v )

I have Energizer 1850mah AA's in my M8, and they are good for a whole race day without recharging. Yes, you do lose a little voltage when changing from 1.5 alkilines to 1.2nimh, but just as long as you keep on top of charging them between race days at low amps ( .5 - .7a ) you should be fine.
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Old 06-20-2003, 09:58 PM   #3
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Yeah thats what i meant the transmitter. I got a hump battery for the receiver, so thats all good.
But i wanted to know if I could use something for the transmitter instead of 8 batteries (and they arnt cheap)

Thanks
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Old 06-21-2003, 12:26 AM   #4
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Quote:
Originally posted by nitrosupra
Yeah thats what i meant the transmitter. I got a hump battery for the receiver, so thats all good.
But i wanted to know if I could use something for the transmitter instead of 8 batteries (and they arnt cheap)

Thanks
what controller is yours?
Airtronics M8 offers two options here if you have one. The first option is to get an "optional Tx batt case" that accepts 8 AAs (rechargable/ Alkalines). 2nd option would be to buy additional batt pack from Airtronics of 1100mah.
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Old 06-21-2003, 01:08 AM   #5
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It's a Airtronics Blazer Sport. What are my options for this Transmitter. It doesnt take any pack, just 8 AA battries.

Thanks
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Old 06-21-2003, 04:10 AM   #6
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just so u know,regular(alkaline etc) 1.5V batteries are not fully at 1.5V always either.
it avg's at about 1.2V also.
the 1.2V u get from Nicads are actually the avg numbers.
at full charge they start at about 1.4V's
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Old 06-21-2003, 07:25 AM   #7
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i reccomend you getting what im getting.a mrc 959 super brain.its a charger that does it all and its cheap ($50)chargers everything from rx,tx,igniter,etc.ive read that it automatically detects what is going to be charged.get that and you batteries off of ebay,they're cheap...like 12 aa nimhs for $10.ive have the same problem with buying batteries constantly so this is the route im taking...hope this helps.
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Old 06-25-2003, 01:42 AM   #8
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I would get that peak charger, But how am I going to charge 8 batteries with that, I don't think it has a case where I can just plug in the 8 batteries? any suggestion?

Links always appreciated.

Thanks
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Old 06-25-2003, 03:44 AM   #9
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goto radio shack and get a 8 aa cell battery holder.and then just use the aligator clips to hook it up.
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Old 06-25-2003, 08:03 AM   #10
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It all depends what you want to do.

I would go with the 8 AA NiMH batteries of 1800mah or better for a start. Now you have the problem of charging 8 batteries. How fast do you want to charge them? 1 hour, 2 hours or 20 hours? Obviously the faster rate will cost you more as Shortyboy pointed out you can get a peak charger for $50 and a battery tray (or two) for about $5 - 8. Plus the cost of the batteries about $20 to $30.

Here's another idea: go to Radio Shack, they sell 4 AA NiMH with a quick charger for about $30 and will charge the batteries in 4 hours or less. So get two of them and you can charge all 8.
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