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What is the no load voltage and internal resistance of Ni-MH

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eem2am

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Ni-MH batteries

hello,

does any reader know the no load voltage of a Ni-MH battery.

Also, do you know the internal resistance of a Ni-MH cell
 

Re: Ni-MH batteries

eem2am said:
does any reader know the no load voltage of a Ni-MH battery.
Click to expand...
About 1.2 volts.

eem2am said:
Also, do you know the internal resistance of a Ni-MH cell
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Little, or close to zeero. If discharged, the resistance will increase.
 

Re: Ni-MH batteries

eem2am said:
does any reader know the no load voltage of a Ni-MH battery.
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It should be the Voltage as marked on it provided the battery is well charged and is in good condition. A Ni-Mh battery cannot be expected to have retained its charge after long periods...Cheers
 

Re: Ni-MH batteries

pranam77 said:
eem2am said:
does any reader know the no load voltage of a Ni-MH battery.
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A Ni-Mh battery cannot be expected to have retained its charge after long periods.
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For about 1 year, new Energizer, Sanyo and Sony Ni-MH cells hold a charge for almost 12 months. They are "pre-charged".

Energizer have a datasheet for every battery they sell. The datasheet shows the voltage and voltage drop at various currents. The internal resistance is listed at a full charge and half discharged. The impedance is shown.
 

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