Are Cheap Power Tool Batteries Better Than DeWalt 20V Lithium-Ion Batteries?

Three DeWalt 20V Lithium-Ion compatible replacement batteries are tested for high and moderate drain performance and cold temperature performance. Each battery pack is disassembled and the individual cells are tested for milliamp-hour (mAh) capacity and internal resistance. The advertised watt-hours are calculated and compared to calculated watt-hour performance.

Project Farm Tests:

• $59 DCB-205 20V Dewalt OEM Lithium-Ion Battery,
• $26 Vanon 20V Lithium-Ion Battery, and
• $27 Waitley 20V Lithium-Ion Battery

Editor’s Note: Prices at Time of Test (February, 2020) — Current Prices Below.

DeWalt 20V Lithium-Ion Replacement Battery Test Results

DeWalt 20V Lithium-Ion Compatible Replacement Batteries Tested

(in no particular order):