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LiFePo4 1200mAh 3.2V 20C Cell (vergelijkbaar met A123)

LiFePo4 1200mAh 3.2V 20C Cell (vergelijkbaar met A123)

Discontinued Product

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Stock:
OUT OF STOCK
Gewicht:
59 g
SKU:
LiFePo1200
Product
Omschrijving

LiFePo4 1200mAh 3.2V 20C Cell

spec
Nominale spanning: 3.2V
Nominale capaciteit: 1200mAh.
Hoogste geladen spanning: 4.0V-4.2V.
Laagste ontladen spanning: 2V
Max. continue ontlaadstroom: 10C
Max. pulse ontlaadstroom (5 seconden): 15C

Diameter / Hoogte: 18mm / 65mm
Gewicht: 39g

Data papier;
http://hobbycity.com/cs/files/folders/manuals/entry3523.aspx

Dit zijn geen A123 cellen. Ze hetzelfde formulier in en uit te voeren soortgelijke wijze echter niet de hoge afgiftesnelheid die A123 doen. Ze zijn goede vervanger cellen voor NiMH of NiCD omdat ze geen last-geheugen en een langere levensduur dan conventionele rechargables. Ze zijn ook robuust en vergevingsgezind dan ontladen / laden.

Product
Specifications

Aanvullende Informatie

  • Sku:
    LiFePo1200
  • Brand:
    Nvt
  • Gewicht ( g)
    59.00
  • Lengte
    0.00
  • Breedte:
    0.00
  • Hoogte:
    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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