Looking for rechargeable 9v battery recommendation tia sal2
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Posted by temp@temp.com on August 30, 2006, 4:05 pm
Please log in for more thread options Greets All I'm going to be traveling and have a small device that needs to run 3 hours on a 9v battery everyday. I'm looking for a good/great rechargeable 9v battery. I'll have to get 2 of them so I will be able to use one while the other one is in the charger. Does anyone have any recomendations? Thanks Rick | ||||||||||||||||
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Posted by redbelly on August 30, 2006, 4:20 pm
Please log in for more thread options temp@temp.com wrote: NiMH batteries come in 9V size. Some of the AA NiMH chargers even have additional connections for 9V. Should be available at any of the big chain stores that sell NiMH in the USA (if that's where you are). FYI, my 3-year-old Energizer 9V NiMH's are rated for 150 mA-hr. There are probably better ones available these days. Regards, Mark | ||||||||||||||||
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Posted by Caesar Valenti on August 30, 2006, 9:47 pm
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redbelly wrote: >temp@temp.com wrote:
> > >>Greets All
>> >>I'm going to be traveling and have a small device that needs to run 3 hours >>on a 9v battery everyday. I'm looking for a good/great rechargeable 9v >>battery. I'll have to get 2 of them so I will be able to use one while the >>other one is in the charger. Does anyone have any recomendations? >> >>Thanks >>Rick >> I have no idea what you are trying to operate or how portable it must be, but if possible, you may want to consider using 6 AA NiMH batteries and commonly available AA chargers. Radio Shack has 6-AA battery holders and the connection is compatible with the 9V plug. Of course, portability goes to hell with this setup. cv | ||||||||||||||||
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Posted by John Vallelunga on August 30, 2006, 9:51 pm
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Caesar Valenti wrote: > I have no idea what you are trying to operate or how portable it must
> be, but if possible, you may want to consider using 6 AA NiMH > batteries and commonly available AA chargers. Radio Shack has 6-AA > battery holders and the connection is compatible with the 9V plug. > > Of course, portability goes to hell with this setup. > cv I should have mentioned that the main reason for doing this is 10 times the battery life...maybe to the point of not needing to be recharged at all. Maybe this was obvious? | ||||||||||||||||
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Posted by Robert Baer on August 30, 2006, 10:48 pm
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temp@temp.com wrote: > Greets All
All "9V" re-chargeables are 7.2V, whether NiCd or NiMh, so take that
> > I'm going to be traveling and have a small device that needs to run 3 hours > on a 9v battery everyday. I'm looking for a good/great rechargeable 9v > battery. I'll have to get 2 of them so I will be able to use one while the > other one is in the charger. Does anyone have any recomendations? > > Thanks > Rick > into acount, that is to ask "does the item run with the NiCd "9V" battery?" Now you could rig up seven NiCD "D" cells in series for 8.75V or eight for 10V and regulate down to 9V. Having larger cells gives a longer useage time after charging. | ||||||||||||||||
>
> I'm going to be traveling and have a small device that needs to run 3 hours
> on a 9v battery everyday. I'm looking for a good/great rechargeable 9v
> battery. I'll have to get 2 of them so I will be able to use one while the
> other one is in the charger. Does anyone have any recomendations?
>
> Thanks
> Rick