VariCore 32700 LiFePO4 6500mAh (Gray)
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Official specifications:
- Model: 32700
- Voltage: 3.2V
- Nature: LiFePO4
- Capacity: 6500mAh
- Discharge current: 35A
- Maximum current: 55A
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Large LiFePO4 batteries with good capacity and high current rating.
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The two cells tracks fairly well and has no problem delivering 30A with nearly same capacity as at low current. As usual LiFePO4 has a very flat discharge curve.
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-Temp-20.0.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-Temp-30.0.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-CapacityTimeHours.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-CapacityTime.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-Energy.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-PowerLoadTime.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-TripCurrent.png)
/VariCore%2032700%20LiFePO4%206500mAh%20(Gray)-Charge.png)
Conclusion
This looks like good batteries, they can deliver a lot of current and has fairly constant output voltage.
Notes and links
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