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Battery stumper? Answered

Somebody wanna tell me why when I got my brand new quad syma copter and I put 4 brand new rayovac rechargable batteries that measured 1.24 volts the hand controller would not turn on, and when I put in 4 old duracells that measured 1.14 that were just laying around and weren't brand new like the rayo's were and they worked, I'm stumped. Too much power?

Discussions

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mpilchfamily

5 years ago

They where brand new but did you charge them first. You can't just take them out of the pack and expect to use them. They will need a charge since they loose there charge over time sitting on the shelf.

While you may have measured 1.24V from the batteries they are not able to produce enough current to drive anything.

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angpal59mpilchfamily

Answer 5 years ago

So, which battery is battery to use ? The new rechargable battery freshly recharged or a new regular alkaline duracell?

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angpal59mpilchfamily

Answer 5 years ago

I think I figured it out, the 4 brand new rechargable rayovacs along with most rechables are only 1.2 volts. All alkalines are 1.5 volts. Do they make a rechargable 1.5 volt battery? and if they do, somebody please inplore me and let me know where I can obtain them. I appreciate it. I know unlike me you have lives and have better things to do than to show my dumb ass how to operate a RC toy,lol. Sincerely angpal59

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angpal59steveastrouk

Answer 5 years ago

Well, I was hoping you were right but they still dont work thats with a brand new rayovac charger and 4 brand new batteries and still nothing, I just don't get it. Also it irks the heck out of me cause first of all I was thinking the same thing as you thats why I went that way first, I have alot of the alkalines but none that are fully charged and was hoping to avoid going out and buying new ones, but I just can;t figure out why 4 brand new recharged batteies won't work, it just bggles the mind.

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steveastroukangpal59

Answer 5 years ago

Measure the battery voltage when they are in use. Like I said, I suspect they can't supply the current you need, and alkalines can.

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petercd

5 years ago

Im guessing you put in flat batteries, a nicad or nimh rechargeable is flat at 1.2V and fully charged at ~ 1.38V

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steveastrouk

5 years ago

Maybe, but try and measure the ACTUAL battery voltage on load - I suspect you'll find that the rechargables drop to well below 1.14