Lithium Battery Active Equalizer Balance Module Inductance Energy Transfer Board 2.0V‑4.5V 1.2A4S Item Type: Active Equalizer Material: PCB, copper Purpose: Inductive energy transfer balance board, high current 1.2A energy transfer battery voltage balancer, significantly balance the battery voltage, improve the overall efficiency of the battery pack Working Voltage: 2.0V-4.5V, universal for ternary lithium iron battery, not applicable for LTO lithium titanate battery Balance Current: The adjacent voltage difference is above 0.1V (current is about 0.5-0.7A); The adjacent voltage difference is above 0.2V (reaching an equilibrium current of 1.2A); The smaller the voltage difference, the smaller the equalizing current Wire Length: Approx. 30cm / 11.8in (pure copper 22AWG terminal wire)