Test/review of Ampsplus INR18650 3500mAh (Black)

[size=+3]Ampsplus INR18650 3500mAh (Black)[/size]



Official specifications:

• Size: 18.35mm x 65.10mm
• Nominal Voltage: 3.70V
• Nominal Capacity: 3500mAh
• Rated Capacity: 3400mAh
• Charging Metod: CC/CV 4.20V
• Discharge Voltage: 2.50V (Average Cut Off)
• Charging Current CC: 750mA
• Rapid Charging Current: 1500mA
• Continuous Discharge Current: 10A Max.
• Short Discharge Current: 20A
• Battery Rate: 3C
• Weight: 48gr.max
• Color: Blue , Black
• Version: Flat Top
• Protection: No

This is a high capacity battery with moderate current capabilities.











Discharge curves tracks perfectly.





At 15A the battery gets too hot and I stop the discharge.



Oops, the battery died before my over temperature sensor stopped it. On the second battery I only tested up to 15A















[size=+3]Conclusion[/size]

The is a very good high capacity battery, but be careful with current draw above 10A.



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

The batteries was supplied by ecoluxshopdirect.co.uk 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
Compare to 18650 and other batteries

Looks like the Sanyo GA battery. Good for running very low for a long time.