Efest IMR18650 1600mAh V1 (Red) 2014
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Official specifications:
- Top: flat top
- Bottom: non-procted
- Typical Capacity: 1600mAh
- Min capacity: 1600mAh
- Max discharge current: 30A (20C)
- quick charge current: 1600mA (1C)
- Quick discharge current: 1600mA (10C)
- cycle life: 500 times
- Charge cut-off voltage 4.2V ± 0.5V
- Charge cut-off current 0.01C 5A(at CV mode)
- Initial Impedance Max: 18mOhm
- Discharge cut-off voltage 3.0V
- Temperature: dishcarge temperature range:-10°C—60°C
- Charge temperature range: 0°C—40°C
- Storage: 1 year:-20°C—25°C, 3 months:-20°C—45°C, 1 month:-20°C—60°C
- Weight: 50g
- Length: 64.91 mm
- Diamter: 18.34 mm
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A IMR cell that can deliver a lot of current.
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The cell is rated for 30A, but it does struggle at 20A and above.
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Conclusion
The cell is acceptable for a high power IMR cell.
Notes and links
The batteries was supplied by Efest 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