Sanyo UR16650ZTA 2500mAh (Magenta)

DSC_6795

Official specifications:

Test at 4.35V charge voltage

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-info

This battery size matches two CR123 batteries in diameter and length, but has lower voltage. In some cases it is a very good replacement.

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DSC_6796 DSC_6797

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Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-Capacity

The cells match fairly well and can deliver 5A, but not 7A.

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-CapacityTimeHours

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-CapacityTime

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-Energy

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-PowerLoadTime

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-TripCurrent

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.35V-Charge



Test at 4.30V charge voltage

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-info

Reducing the charge voltage means about 80-100mAh less capacity.

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-Capacity

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-CapacityTimeHours

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-CapacityTime

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-Energy

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-PowerLoadTime

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-TripCurrent

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)%204.3V-Charge



Test at 4.20V charge voltage

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-info

With a regular 4.20 volt charger the capacity is reduced 260-280mAh.

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-Capacity

The cell needs to warm up before it can handle a 5A discharge.

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-CapacityTimeHours

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-CapacityTime

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-Energy

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-PowerLoadTime

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-TripCurrent

Sanyo%20UR16650ZTA%202500mAh%20(Magenta)-Charge



Conclusion

This cell cannot match a 18650 cell, but when the slightly lower diameter is needed it is a good cell.



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
Compare to 18650 and other batteries