... HJ li-ion battery formation, test, and recovery device 1 MOQ: 1pc 2 Input voltage: AC220V battery powered device 1. ... is available in case of power failure.The device can resume running from the power failure point ... Fast sampling speed, a complete sampling cycle of a device is no more than 10sec. 14. Communication method: ... -16 sets of devices. HJ li-ion battery formation, test, and recovery device