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Turnigy 18650 2500mAh 3.7V Rechargeable Li-ion Battery

Turnigy 18650 2500mAh 3.7V Rechargeable Li-ion Battery

QTY:

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$7.08
Rating:
Stock:
Weight:
58 g
SKU:
9210000181-0

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Product
Description

Turnigy batteries are known the world over for performance, reliability, and price. It’s no surprise to us that Turnigy battery packs are the go-to pack for those in the know. Turnigy batteries deliver the full rated capacity at a price everyone can afford.

Spec:
Capacity: 2500mAh
Voltage: 3.7V
Model: 18650
Charge Ending Voltage: 4.2V
Discharge Cut-Off voltage: 2.5V
Discharging Current: 8C (20A)
Diameter: 18.2mm
Height: 65mm
Weight: 45g

Product
Specifications

Additional Information

  • SKU:
    9210000181-0
  • Brand:
    Turnigy
  • Weight(g)
    58.00
  • Length
    95.00
  • Width:
    20.00
  • Height:
    55.00
  • Capacity (mAh)
    2500.00
  • Discharge(c)
    8.00
  • Length-A(mm):
    No
  • Height-B(mm):
    65.00
  • Width-C(mm)
    18.20
  • Unit Weight (g)
    No
  • Max Charge Rate(C):
    No
  • Discharge Plug:
    No
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Thought these would be great cells but not getting close to capacity when discharging to 3.3 volts more like around 1750-1850mah at 1 amp rate. As for the 20 amp output current ... Voltage sags to 3.4 volts with a 5 amp discharge current when fully charged so no way is it going to output 20 amps. I cycled one cell several times and only saw a slight increase in capacity. I have 5 of these cells and will test the others next. The 2000mah cells look to be a little better, will be testing the 2 of those also. For now not so good. They come well wrapped in bubble pack with instruction sheet in a ziplock bag charged at 3.77 volts.
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I tested 2 cell to check capacity. And the cells are under rated. I charged them to 4.2 v, let them rest for 10 mints and checked voltage it was 4.19 v. Then discharged over 2 days in a diy power bank to 2.89 v, after resting for 5 minuets came back to 3.10 v. Charging the battery's back to 4.2 v capacity is 2604 & 2639 mamp.
I used XTRA VC4 @ 1 amp to charge and check the capacity & a multi meter to check the voltage. Non are 100% accurate but it can't be more than + - 5% of in volts or amps. The battery and charger never got hot only slitty worm. But I did not push them hard.
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I bought two of these and used them in an IKEA power drill driver whose batteries were no longer delivering. Perfect with high current delivery and twice the capacity of the original.
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I got 16 of this for a project that I am planning to do, so far looks good quality battery. good finishing. but cant confirm capacity or longevity. Please not that this is not a protected cell so keep this in mined win using it.
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