Xtar 18700 2400 mAh (Black)

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Official specifications:
Xtar%2018700%202400%20mAh%20(Black)-info

The battery is called 18700, because it is nearly 70 mm long, but protected 18650 can be just as long, only unprotected batteries are 65 mm long.

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Xtar%2018700%202400%20mAh%20(Black)-Capacity

The protection does not allow the battery to sustain 5A current draw.

Xtar%2018700%202400%20mAh%20(Black)-CapacityTimeHours

Xtar%2018700%202400%20mAh%20(Black)-CapacityTime

Xtar%2018700%202400%20mAh%20(Black)-Energy

Xtar%2018700%202400%20mAh%20(Black)-PowerLoadTime

Xtar%2018700%202400%20mAh%20(Black)-TripCurrent

The two batteries has slightly different internal resistance and trip current (This might be related).

Xtar%2018700%202400%20mAh%20(Black)-Charge



Conclusion

This battery is best for lower load and easily holds the specified capacity.
It is using a unspecified cell, but with Xtar behind it I will call it good battery.



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