Test/Review of Sanyo UR14500P 800mAh (Red)

[HKJ]

Sanyo UR14500P 800mAh (Red)


Official specifications:

• Nominal capacity: min 800mAh
• Nominal voltage: 3.7V
• Charcing method: Constant current, constant voltage.
• Charging voltage: 4.2V
• Chargign current: std. 800mA
• Charging time: 2.5 hours
• Ambient temperature: Charge 0~+40°C, Discharge -20~+60°C, Storage: -20~+50°C
• Weight (max): 20g

This is a AA sized LiIon cell. As a LiIon cell it has 3 times the voltage of a NiMH cell and about 1/3 the capacity, i.e. the energy contents is about the same.
The cell is not designed for high current, but for capacity.







The marking is added by the dealer, the actual Sanyo marking is present, but very difficult to see (As usual for Sanyo).



The cell does very good up to 1A, but above 1A it runs into problems.

















Conclusion

This cell is very good, but the performance is slightly below other copies of the cell I have tested, probably because it has been in storage for some time.



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
Comparison to other LiIon batteries

[HKJ]

@smaller lights

Thanks. I don’t see any Sanyos in the small battery comparator. I assume this Sanyo is used in some of the keepower 800 mAh. Sanyo also had a 840 mAh. Has Panasonic continued to make these 14500 batteries ? Big questions considering the sad eneloop saga.

The Keepower 14500 800mAh and the newer Keepower 14500 840mAh 2014 are this cell.

It looks like the Sanyo brand continues (http://lygte-info.dk/review/batteries2012/Sanyo%20NCR18650BL%203350mAh%20%28Red%29%20UK.html), but I do not know what cells they will make.

[HKJ]

@smaller lights

@HKJ

@smaller lights

Thanks. I don’t see any Sanyos in the small battery comparator. I assume this Sanyo is used in some of the keepower 800 mAh. Sanyo also had a 840 mAh. Has Panasonic continued to make these 14500 batteries ? Big questions considering the sad eneloop saga.

The Keepower 14500 800mAh and the newer Keepower 14500 840mAh 2014 are this cell.

It looks like the Sanyo brand continues (http://lygte-info.dk/review/batteries2012/Sanyo%20NCR18650BL%203350mAh%20%28Red%29%20UK.html), but I do not know what cells they will make.

Your tested capacity on the 18650 you linked to appears to be 3200. Could this be a Sanyo 3200 labeled with the Panasonic 3400 code ? I am just asking, not accusing them.

Remember that I only test down to 2.8 volt, this cell goes down to 2.5 volt. The name of the cell is a Panasonic name (NCR).

[veer (vēer)]

Any ideas what the code on mine mean, did a quick google search with nothing :D!

E
RFBP J43
043871

Is it normal that this protected battery is considerably smaller than protected one by Olight?
It is unprotected, my error!

Battery name is molded into the plastic wrapper itself, protruding, not pressed inwards.

[pilotdog68]

The pink one? That’s not a peotected battery…

[veer (vēer)]

Hah, true!

Somehow I assumed that it is protected one and bought without even having second thought about it, hehe :D!

Thanks, Pilotdog!