Test/review of Vapcell INR18650 3000mAh P1830A (Black-green) 2020

[size=+3]Vapcell INR18650 3000mAh P1830A (Black-green) 2020[/size]



Official specifications:

• Size: 18.4*69.5mm
• Nominal voltage: 3.60V
• End-of-charge voltage: 4.20V
• End-of-discharge Voltage: 2.50V
• Typical Capacity: 3000mAh (0.2C discharge)
• Min capacity: 2950mAh (0.2C discharge)
• Weight: Max:50g
• Internal resistance: Max:23mOhm (AC 1kHz)
• Standard Charge: 1500mA,CCCV 100mA cut-off
• Quick Charge Current: 4000mA
• Max Continuous Discharge Current: 15000mA (15A)
• Operating Temperature: Charging, 0°C ~ 45°C
• Operating Temperature: Discharging, -20°C ~ 70°C
• Storage Temperature: -5°C ~ 35°C
• Over charge protection voltage: 4.25+0.05/-0V
• Over discharge protection voltage: 2.50+0/-0.05V
• Over current protection current: 17A ~ 20A

This is a protected 3000mAh 18650 battery that can deliver a fair amount of current.











The two cells match nicely.







I stopped this discharge due to temperature.

















[size=+3]Conclusion[/size]

The batteries looks fine.
The over current protection will not protect against a the battery getting too warm, only against gross overloads (This is fairly common).



[size=+3]Notes and links[/size]

The batteries was supplied by Vapcell for review.

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
Graphical comparison to 18650 and other batteries
Table with all tested LiIon batteries