A123 ANR26650M1A 2300mAh (Green)
Official specifications:
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Nominal capacity: 2.3Ah
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Nominal voltage: 3.3V
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Internal resistance: 10mOhm (10A DC 1s)
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Recommended standard charge method: 3A to 3.6V CC/CV
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Recommended fast charge current: 10A to 3.6V CC/CV
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Maximum continuous discharge: 70A
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Maximum pulse discharge: 120A (10sec)
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Cycle life: Over 1000 cycles at 10C discharge
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Recommended pulse charge/discharge cutoff: 3.7V to 1.6V
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Operating temperature range: –30°C ~ 60°C
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Storage temperature range: –50°C ~ 60°C
A old very high current LiFePO4 cell (Datasheet is from 2010).
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7308.jpg)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7312.jpg)
Watch out for polarity!
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7314.jpg)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7315.jpg)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7316.jpg)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7317.jpg)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/DSC_7318.jpg)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-Capacity.png)
Output voltage depends on load, it looks like I got a good cell and a bad cell (Probably due to storage).
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-Temp-20.0.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-Temp-30.0.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-CapacityTimeHours.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-CapacityTime.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-Energy.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-PowerLoadTime.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-TripCurrent.png)
![](https://lygte-info.dk/pic/Batteries2012/A123%20ANR26650M1A%202300mAh%20(Green)/A123%20ANR26650M1A%202300mAh%20(Green)-Charge.png)
Conclusion
A very impressive high current cell (At least one of them). Modern LiFePO4 cells has gotten better, but not that much.
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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries