HJ li-ion battery formation, test, and recovery device 1 MOQ: 1pc 2 Input voltage: AC220V battery powered device 1. Particularly designed for formation ... such as capability, time, open circuit voltage, platform time, and internal resistance, etc. 13. Fast sampling speed, a complete sampling cycle ... computer can connect with 1-16 sets of devices. HJ li-ion battery formation, test, and recovery device