Sibeile IMR18650 2800mAh (Black)
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Official specifications:
- Model: 18650 lithium battery
- Brand: Sibeile lithium battery
- nominal capacity: 2800mAh
- nominal voltage: 3.7V
- battery material: lithium rechargeable battery
- positive pole: Nipple top
- rechargeable battery: Up to 500 times
- impedance: <60mOhm
- cycle life: >500 Cycles
- Operation temperature: Charge(0 ~ 45oC), Discharge(-20 ~ 60oC)
- Storage Temperature: -5 ~ 35oC
- Dimension: Diameter 18mm, Height 65mm
- Weight: About 50g
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The capacity is not that impressive for 2800mAh batteries (this might be because they are 4.3 volt batteries).
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After shipping the samples to me, some print was added to the box.
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Very nice discharge curve, the two batteries track perfectly and the capacity does not change with load.
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Conclusion
The batteries looks good.
Notes and links
The batteries was supplied by Sibeile for review.
How is the test done and how to read the charts
How is a protected LiIon battery constructed
More about button top and flat top batteries