LG 18650 MG1 2850mAh (Purple)
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Official specifications:
- Nominal capacity: 2850mAh
- Minimum capacity: 2750mAh
- Nominal voltage: 3.62V
- Standard charge current: 1425mA
- Maximum charge current: 2850mA
- Charge voltage: 4.2V
- Charge cut-off current: 50mA
- Standard discharge 570mA
- End voltage: 2.5V
- Maximum discharge current: 10A
- Cycle life: 500 cycles to 70% at standard charge/discharge.
- Operating temperature: Charge: 0°C ~ 45°C, Discharge: -20°C ~ 60°C
- Storage temperature: 1 month: -20°C ~ 60°C, 3 months: -20°C ~ 45°C, 1 year: -20°C ~ 20°C
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This is a high capacity cell from 2012 where it was rated 2900mA, in 2014 the rating was changed to 2850mAh and model name changed from ICR to IMR.
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The discharge curves matches very well, but the battery is not good at high current.
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/LG%2018650%20MG1%202850mAh%20(Purple)-Temp-10.0.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-Temp-15.0.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-CapacityTimeHours.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-CapacityTime.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-Energy.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-PowerLoadTime.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-TripCurrent.png)
/LG%2018650%20MG1%202850mAh%20(Purple)-Charge.png)
Conclusion
This is a good battery, but capacity and current handling cannot match the last generation cells.
Notes and links
Vapcell told me that I was missing some cells in my comparator and they would be happy to supply them.
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
Compare to 18650 and other batteries