Vapcell INR16340 850mAh T8 (Cyan) 2020

Official specifications:
  • Model: INR16340 850mah 3A (RCR123A)
  • Size: 16.4*34.0mm
  • Type: button top
  • Nominal voltage: 3.60V
  • End-of-charge voltage: 4.20V
  • End-of-discharge Voltage: 2.5V
  • Typical Capacity: 850mAh (0.2C discharge)
  • Min capacity: 820mAh (0.2C discharge)
  • Weight: Max:20g
  • Internal resistance: Max:65m? ?AC 1kHz?
  • Standard Charge: 500mA,CCCV 50mA cut-off
  • Quick Charge Current:1000mA
  • Max Continuous Discharge Current: 3A

A 16340 LiIon cell with up to 4.2V

The two cells are not perfect matches. The easily handles 1A.


The cell has very good capacity for the size, at least for current at 1A or lower.
With the cells not perfectly matches and unprotected it is best to use the one at a time and not in series.

Notes and links

This cell has the same size as CR123 cells, but is not a direct replacement (See here for more information)

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 other LiIon batteries
Table with all tested LiIon batteries