AW 18650 2600mAh (Black)



Official specifications:

• Three triangulated raised dots ensure solid cell to cell connection when used in series.
• PCB protection against overcharge/ over discharge / short circuit.
• Safety vent with thermal cut off protection.
• Nominal Voltage: 3.7V
• Capacity: 2600mAH ( rated at 0.2C discharge 4.2V - 2.8V @ 25° )
• Operating Temp.: Charge 0 to 45° / Discharge -20 to 60 °
• Max. Charge Rate: 2.6A ( ambient temp. 25 ° )
• Max. Discharge Rate : 5.2A ( ambient temp. 25 ° )
• Dimensions: 18.52 X 68.16mm ( +/- 0.3mm )

As usual 2600mAh batteries are more like 2400mAh.





This battery has a flat top, but has some bumps on the bottom, to secure connection when used in series.







This battery has a high voltage at low loads.











The protection is a bit high.





Conclusion

The high voltage can be an advantage in smaller (i.e. 3-4 watt) lights where the battery replaces two CR123 cells.
It is a very 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