BT4560 Battery HiTesterLow frequency AC IR measurement enables faster measurement The BT4560 eliminates the need for charging or discharging by measuring internal impedance at a low frequency of 1 Hz or below Extremely reliable measurements for low impedance batteries The BT4560 uses a testing current of 1. 5 A at the 3m range, which improves the S N ratio Circuit configuration highly tolerant of contact and wire resistance to provide stable measurements Simultaneous