Listman 20700 3400mAh (Yellow)

Official specifications:
  • Battery Capacity (Mfg Rated): 3400 mAh
  • Battery Chemistry: IMR - LiMn
  • Battery Feature: Rechargeable
  • Battery Form Factor: IMR 20700
  • Battery Rated Voltage: 3.7 V

This is a high current 20700 battery.

The two cells tracks fairly well and can deliver nearly 30A, I get about 3000mAh from them to 2.8V

At 30A the cells gets rather hot.


This battery is designed for high current and do that fairly well, but specified capacity is a bit optimistic.

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
Compare to 26650 and other larger batteries