XWELL XW-5V100A32CH High Precision Prismatic Battery Formation and Capacity Grading Machine The XW-5V100A32CH offers high precision measurement with a 0-5V range, 0.1mV resolution and 0.5 per mille accuracy for both voltage and current. Its four-wire method fixture minimizes contact resistance for reliable grading results. Key Features 32-channel prismatic cell formation and capacity grading in one cabinet 5V 100A per channel with 0.1mV voltage resolution Four-wire method