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LiFePo4 1200mAh 3.2v 20C celular (Semelhante a A123)

LiFePo4 1200mAh 3.2v 20C celular (Semelhante a A123)

Discontinued Product

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Stock:
OUT OF STOCK
Peso:
59 g
SKU:
LiFePo1200
Descrição
do

LiFePo4 1200mAh celular 3.2V 20C

especulação
Tensão nominal: 3.2V
Capacidade nominal: 1200mAh.
4.0V-4.2V: tensão mais elevada carregada.
Mais baixa voltagem descarregada: 2V
Max. corrente de descarga contínua: 10C
Max. pulso de corrente de descarga (5 segundos): 15C

Diâmetro / Altura: 18 milímetros / 65 milímetros
Peso: 39g

Ficha de dados;
http://hobbycity.com/cs/files/folders/manuals/entry3523.aspx

Estas não são as células A123. Eles são o mesmo formular e executar de forma semelhante no entanto não têm a alta descarga que A123 fazer. Eles são células de substituição boas para NiMH ou NiCd como eles não têm carga-a memória e uma vida mais longa do que rechargables convencionais. Eles também são robustos e tolerante ao excesso de carga / descarga.

Product
Specifications

Características do Produto

  • SKU:
    LiFePo1200
  • Brand:
    N/D
  • Capacidade ( mAh)
    Não
  • Peso ( g )
    59.00
  • Comprimento:
    0.00
  • Largura:
    0.00
  • Altura
    0.00
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Bought 10, two of them had lower voltage, 2.5V and 0.7V. Charged up them and are now showing nominal voltage. Even if they dont perform it was a good price. Soldered a 3S pack yesterday and did some initial tests, charging/discharging. At a 4A discharge they got very warm. Only thing I am not sure about is the end voltage, do I charge them at LiFe setting or LiPo ? End voltage for LiFe is 3.6 and LiPo is 4.2 !
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Seems like these need a few cycles to break them in. Then they work fine. 4S pack performs like a 3S LiPO of about the same capacity (1200mAh). I am buying more!
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hallo,muss mich leider Patrice DEBUT ,anschliessen.ich bekomme auch nur 650-700mAh eingeladen ,bei einer entladung bis 2,2v .

schade , ich hatte zwar damit gerechnet das diese zellen weniger kapazitt haben als die a123/1100mAh ,aber mit so wenig :-( .
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is good !!!!!

i have test 4s1p long charged and resistance to discharged teperature

is it wery wery good to servo and revever board.
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Run this cell at a discharge of 5-10C constant and got around 1000mAh capacity.

The higher the discharge the lower the capacity seems to be.

I have been told this is normal for LiFePo4.

So as far as I can see, they run normally.
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Tests/mesurs sur 8 cycles charge/dcharge ... 10C: 12A 2.55v moyen pour 580mA de capacit rendue.

Peut mieux faire. Rien voir avec les A123 originaux. Dommage, un espoir du.
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These look like just the ticket for some of the smaller stuff. Quick test after assembling 3 cell pack showed them to hold voltage under load very well (9.0v at 15A as they were delivered - havent charged up yet!). Dont think Ill ever bother with lipos again!
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is goood ...
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is good LiFePo4 1200mAh really

Similar to A123.
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... nabiti 800-1000 mAh I=1,2A

vybijeni 1C I=1,2A V=2,5V 850 mAh 2C I=2,4 V=2,5V - 600mAh vnitrni odpor 1S1P vcetne vodicu 66 m(ohm)

, pri vybijeni vetsim proudem (5A) padlo napeti na clanku behem 7-10 sec.

takze muj zaver - dobre prijmacove baterie
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