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HomeAircraftHelicopterThunder TigerOther › JR Extra 3000mah 4.8v question
05-03-2005 03:18 AM  13 years agoPost 1
glfloat

rrApprentice

Santa Monica California

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Hi. I have a JR Extra 3000 and want to use it to power my digial servos and gyro (gy401). Most guys fly somewhere around 1500-2000mah. Will the extra amperage in the JR EX harm my electronics? If so, what is the recomended amperage for RX packs running digital servos?

Thanks.

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05-03-2005 03:50 AM  13 years agoPost 2
playfair

rrKey Veteran

Rochester, NY

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No, the amperage (amp hour capacity) of the battery is not what your radio equipment sees... It just takes what it needs at any given time.

The rating for the battery is how much total energy it has per unit of time (in this case, and hour). HTH


The sky is our canvas

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05-03-2005 09:00 PM  13 years agoPost 3
AMainMaker

rrKey Veteran

Nappanee,IN

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I have brought myself to prefer the 2400 nicd over the 3000 or 3300NIMH packs. The NIMH has more capacity but does not have the load holding voltage like the NICDs do. I still get close to 6 or so flights wiht a NICD 2400 4 cell pack in my 90 with all digitals.
Just a suggestion. plus NICDs are cheaper
Jason

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05-03-2005 09:27 PM  13 years agoPost 4
ptarp

rrVeteran

IL

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AMainMaker

If they are sub-c NIMH cells, they won't have trouble supplying voltage under load.


Philip

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05-03-2005 09:35 PM  13 years agoPost 5
blockatvalpo

rrKey Veteran

Reston, VA

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I use a 2400 mah Nicd battery pack. I have tried the Nimh, and I just don't care for them. I ended up going back to the trusted technology (nicd).

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05-03-2005 09:41 PM  13 years agoPost 6
nojohnny101

rrElite Veteran

10 miles north of Cincy, OHIO

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hey
i use a 24000 NIMH pack with no problems....homemade too and $12 at WALMART


Thanks
~Will~

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05-03-2005 10:09 PM  13 years agoPost 7
AMainMaker

rrKey Veteran

Nappanee,IN

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I have had the same problems with my starter. I bought some 3000NIMHs 6 cells packs and they just dont have the guts to start my 90. Went to NICD and have had no problems since.
Jason

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05-03-2005 10:15 PM  13 years agoPost 8
cyclic

rrNovice

Berkshire UK

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###########
I use a 2400 mah Nicd battery pack. I have tried the Nimh, and I just don't care for them. I ended up going back to the trusted technology (nicd).
###########

blockatvalpo,
In what way do you not care for the NiMh cells?

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