The Launch Tech USA ELB300 EV Battery Pack Cell Equalizer is a battery maintenance diagnostic tool for EV batteries and technology. The ELB300 diagnoses numerous issues including inconsistent cell voltage and individual battery cell capacity variances. It is designed for new energy batteries such as lithium iron phosphate, ternary lithium, and lithium manganate, and can quickly solve the cruising range degradation caused by the difference in cell capacity due to inconsistent cell voltages. It features a 7" LCD touchscreen, has Bluetooth and Wi-Fi capabilities, and is easy to carry and transport.