... .2V, 3.6-3.7V/7.2-7.4V Li-Ion battery packs, 1-2 pieces 3.6V round cells ... Microprocessor identifies 3.6-3.7V/7.2-7.4V Li-Ion batteries and NiMh/NiCd cells and their +/- poles, ... fully.7.USB port for charge & discharge function.8.Low-voltage battery activation.7.Over-voltage, short-circuit ... (EU., UK, AUS,USA etc.) for worldwide use.10.Switching power adapter and 12V car cigarette lighter adapter included ...