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Shipped From:
  • USA

LiFePo4 1200mAh 3.2V 20C cellulaire (similaires à A123)

LiFePo4 1200mAh 3.2V 20C cellulaire (similaires à A123)

Discontinued Product

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OUT OF STOCK
Poids
59 g
SKU:
LiFePo1200
Description
du

LiFePo4 1200mAh 3.2V 20C cellulaire

Spec
Tension nominale: 3.2V
Capacité nominale: 1200mAh.
4.0V-4.2V: tension la plus élevée chargée.
La plus basse tension déchargée: 2V
Max. courant de décharge continue: 10C
Max. courant d'impulsion
de décharge (5 secondes): 15C
Diamètre / hauteur: 18mm / 65mm
Poids: 39g

Fiche technique;
http://hobbycity.com/cs/files/folders/manuals/entry3523.aspx

Ce ne sont pas des cellules A123. Ils sont les mêmes formular et effectuer d'une manière similaire mais ne disposent pas de la haute décharge qui A123 font. Ils sont de bons cellules de remplacement pour NiMH ou NiCd comme ils ont pas de charge-mémoire et une vie plus longue que rechargables classiques. Ils sont également robustes et pardonnant à plus de décharge / charge.

Product
Specifications

Informations supplémentaires

  • Référence:
    LiFePo1200
  • Brand:
    Non communiqué
  • Poids (g)
    59.00
  • Longueur
    0.00
  • Largeur:
    0.00
  • Taille:
    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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