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A123 Systems APR18650M1B 1100mAh - 30A LiFePo4 - 3.2V B-grade

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Additional Information

EAN / GTIN  7417940525938
Weight - g  39
Brand  Lithium Werks (A123 systems)
Size  18650
Battery chemistry  LIFEPO4
Battery  Rechargeable
Voltage  3.3V
Min. capacity - mAh 1,100.00
Battery version  Flat top
Discharge current - A 30.00
Circuit protection  Unprotected
Height - mm 65.00
Diameter - mm 18.00

Availability: In stock

  • Buy 10 times for €1.65   
  • Buy 100 times for €1.60   
  • Buy 200 times for €1.50   
  • Buy 600 times for €1.40   



Nominal Capacity & Voltage: 1.1Ah, 3.3v
Recommended standard rate method: 1.5A to 3.6v CCCV - 45min
Recommended fast charge current: 5A to 3.6v CCCV - 15min
Max continuous discharge: 30A
Pulse discharge at 10sec: 50A
Cycle of life on 10C discharge, 100% DOD: More than 1000 cycles
Recommended charge / cutoff voltage: 3.5V to 2v
Operating temp: -30 ~ + 60degC
Cell Weight: 39g

Producer: A123 SYSTEMS
Battery type: Li-FePO4
Cell size: 18650
Rated voltage: 3.3V
Capacity: 950mAh
Output: none
Outer dimensions: 18x65mm
Gross weight: 40g
Manufacturer part number: APR18650M1B

Additional Information




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Take care

  • Li-ion batteries can be dangerous when used wrong, short circuit or wrong usage can lead to fire or an explosion
  • Do not put the battery in a charger or equipment with wrong terminals connected
  • Never short cut the battery. Take care you don’t short cut it accidentally, do not put it in your pocked together with bunch of keys
  • Do not disassemble or deform the battery. Dispose it if the battery is deformed
  • Do not immerse in water
  • Avoid excessive physical shock or vibration
  • Do not expose to, dispose of the battery in fire
  • Keep out of the reach of children
  • Never use a modified or damaged charger
  • Do not leave battery in charger over 12 hours
  • Store the battery in a cool, dry and well-ventilated area
  • Dispose of in accordance with local regulations
  • Do not solder on these cells

B-grade cells are cells usually did not qualify as A-grade by the manufacturer. This may be due to optical imperfections, higher self-discharge, lower capacity and/or higher internal resistance. Unfortunately manufacturers don't tell which aspects or aspects are the reason to mark a a specific cell as B-grade. We have sold several and get seldom negative feedback. We tested several eve B-grade and one had about 2% lower capacity, the other ones we did not find a difference with A-grade cells. We don't advise B-grade for high performance electric vehicles but for home energy storage they will work fine. In case you get one which performs significant less than the others like lower capacity, high self-discharge or fast wear we will replace it. Take care that we don’t put a lot of trust in a simple test of a single cell, if you buy 16 cells and you test them and they are all 6% lower than expected then your test gives to low results. If you buy and test 16 and 15 cells give you 100% and one cells gives 5% lower results then we will replace one. When we buy cells the cells are tested for voltage and internal resistance. Also a couple of every batch are tested for capacity, and if one gives less than 100% capacity we test the whole batch and discard the bad ones or don't buy the batch at all. Lot of seller in china buy B-grade cells, test them, even swap qr-codes and sell the good looking and performing as A-grade cells. We believe our B-grade cells are the same as lot of A-grade cells from China, including the well known resellers there with good reputation. We give regular warranty on these cells (at least 2 year).