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BAK N21700CB 4700mAh - 13.8A - Reclaimed

Additional Information

EAN / GTIN  7417940530758
Weight - g  70
Brand  BAK
Model  N21700CB
Size  21700
Battery chemistry  Li-ion
Battery  Rechargeable
Voltage  3.6V
Min. capacity - mAh 4,700.00
Battery version  Flat top
Discharge current - A 13.80
Circuit protection  Unprotected
Height - mm 70.45
Diameter - mm 21.25

Availability: Out of stock

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Capacity (minimum): 4700mAh
Nominal Voltage 3.6V - 3.7V
Charge cycle termination voltage 4.20V ± 0.05V
max discharge current: 13.8A
Do not discharge deeper than 2.5V
Positive pole: Flat Top
Chemistry: Li-ion
Protection circuit: Without
Diameter: 21.25mm ± 0.25mm
Height:70.5mm ± 0.15mm
Weight: 70g

These batteries come from battery packs in which welding errors have been detected. The batteries have never been charged or discharged.

The cells we offer have:
- Minimal cell damage
- Never charged during production (from the box) (every cell is tested)
- Resistance is according to datasheet, never worse (every cell is tested)
Pay attention:

Li-ion batteries can cause fire or explosion if misused or short-circuited
Always connect + and – correctly
Never short-circuit the battery. Be careful not to accidentally short-circuit them, for example with a bunch of keys
Do not disassemble or deform the cell. In the event of deformations, do not use it anymore
Do not submerge in water
Avoid extreme shock or vibration
Keep batteries out of fire
Keep batteries out of the reach of children
Do not use damaged chargers
Do not leave them in a charger for more than 12 hours
Keep them dry and cool.
Hand in empty batteries at a collection point
Never solder on cells

Additional Information




Customer Reviews

What is needed for power banks. Review by Viktor
I ordered 30 pcs. All came with a voltage of 3.46V, the resistance at a voltage of 3.46V was 15.6-18 mOhm (YR1035 +). Battery capacity is about 4900 mAh (LiitoKala Lii 300). What is needed for power banks. (Posted on 17-02-23)

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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