Sanyo UR18650ZTA 3000mAh (Magenta)

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Official specifications:
Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-info

This battery is designed for 4.35 volt and need a special charger to get the full capacity.

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Looking very careful on the shrink wrap, it is possible to see the battery type.

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-Capacity

I am not very impressed with the capacity, but the voltage is high compared to 4.2 volt batteries.

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-CapacityTimeHours

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-CapacityTime

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-Energy

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-PowerLoadTime

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-TripCurrent

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.35V-Charge



Test at 4.3 volt charge

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-info

Reducing the charge voltage to 4.3 volt, looses about 120mAh in capacity.

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-Capacity

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-CapacityTimeHours

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-CapacityTime

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-Energy

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-PowerLoadTime

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-TripCurrent

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)%204.3V-Charge



Test at 4.2 volt charge

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-info

At 4.2 volt, the capacity is down with about 360mAh and the voltage advantage is gone.

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-Capacity

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-CapacityTimeHours

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-CapacityTime

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-Energy

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-PowerLoadTime

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-TripCurrent

Sanyo%20UR18650ZTA%203000mAh%20(Magenta)-Charge



Conclusion

Being a Sanyo battery it is very good, but I wonder about the low capacity, it might be due to age (If I read the datacode correct the battery is from 2010).



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