Test/Review of Basen 18490 1100mAh BS186H (Black)

Basen 18490 1100mAh BS186H (Black)

Official specifications:

  • Type:BS186H(High Drain)
  • Capacity:1100mAh
  • Voltage:3.7V
  • Style:Flat top
  • Protected:No
  • Max.discharge current: 15A
  • Weight:32±1g
  • Size:Diameter:18.14mm; Length:48.89mm
  • Warranty Period: 6 months warranty since the date purchase

A short version of the 18500 battery, but with good high current capacity.

Works fine up to 10A with good tracking between the two batteries and nearly constant capacity.


The battery has a avarage capacity and performance for a high current cell

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