Test/review of Panasonic NCR18500A 2040mAh (Green)

5 posts / 0 new
Last post
HKJ
HKJ's picture
Offline
Last seen: 34 min 20 sec ago
Joined: 05/24/2011 - 12:23
Posts: 5654
Location: Copenhagen, Denmark
Test/review of Panasonic NCR18500A 2040mAh (Green)

Panasonic NCR18500A 2040mAh (Green)

DSC_8539

Official specifications:


  • Rated capacity: 1900mAh at 20°C
  • Minimum capacity: 1940mAh at 25°C
  • Typical capacity: 2040mAh at 25°C
  • Nominal voltage: 3.6V
  • Charging: CC-CV to 4.20V
  • Standard charge current: 0.7C
  • Weight: 33.5g
  • Temperature: Charge: 10°C ~ 45°C, Discharge: -20°C ~ 60°C, Storage: -20°C ~ 50°C

Panasonic%20NCR18500A%202040mAh%20(Green)-info

18500 batteries from Panasonic.

DSC_8538

DSC_8540DSC_8541

DSC_8542
DSC_8543
DSC_8544

Panasonic%20NCR18500A%202040mAh%20(Green)-Capacity

Discharge curves has very good tracking.
Note: First cell was only tested up to 5A

Panasonic%20NCR18500A%202040mAh%20(Green)-Temp-5.0

Panasonic%20NCR18500A%202040mAh%20(Green)-Temp-7.0

Panasonic%20NCR18500A%202040mAh%20(Green)-Temp-10.0

Panasonic%20NCR18500A%202040mAh%20(Green)-CapacityTimeHours

Panasonic%20NCR18500A%202040mAh%20(Green)-CapacityTime

Panasonic%20NCR18500A%202040mAh%20(Green)-Energy

Panasonic%20NCR18500A%202040mAh%20(Green)-PowerLoadTime

Panasonic%20NCR18500A%202040mAh%20(Green)-TripCurrent

Panasonic%20NCR18500A%202040mAh%20(Green)-Charge



Conclusion

This looks like a good high capacity 18500 battery. It can deliver some current, but it is not a high current batterg



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

My website with reviews of many chargers and batteries (More than 1000): http://lygte-info.dk/

F.i.l.a.s
F.i.l.a.s's picture
Offline
Last seen: 10 hours 57 min ago
Joined: 11/22/2015 - 20:10
Posts: 16
Location: Prague

Looks like the best capacity choice of 18500 battery. Shame, gearbest and bangood do not offer anymore. Do somobody know a reliable source?

djozz
djozz's picture
Offline
Last seen: 6 hours 40 min ago
Joined: 09/07/2012 - 17:04
Posts: 11411
Location: Amsterdam

This battery has been around for a while, I have some too. Good to see that it tests well.
Thanks for the test!

CRX
CRX's picture
Online
Last seen: 1 min 31 sec ago
Joined: 04/02/2013 - 15:27
Posts: 2280
Location: Scotland
Thumbs Up
specialk
Online
Last seen: 2 min 22 sec ago
Joined: 12/05/2016 - 00:44
Posts: 66
Location: Canada