Measured Internal Resistance of a Copper 21700 Battery Holder

Test Equipment
FNIRSI HRM-10
Battery Model
EVE INR21700 40PL
Test Product
Bistook Copper 21700 Single-Cell Holder

Cell only: 3.23 mΩ. Installed in holder: 4.13 mΩ. Added resistance: 0.90 mΩ.

This test evaluates the additional resistance introduced by a Bistook copper-contact 21700 battery holder.

Test ItemMeasured Resistance
EVE INR21700 40PL Cell Only3.23 mΩ
Cell Installed in Bistook Copper Holder4.13 mΩ
Additional Resistance Introduced by Holder0.90 mΩ