Very good charger. Love the fact that it has at least a 4 foot cord. I like the mounting holes. Definitely a good buy to get those batteries through the winter months. It is not suitable for lithium-ion batteries as stated. The applications this is offered for are battery types: gel, wet, MF and any other 6 volt or 12 volt lead acid battery. The charging output voltage for 6 volt mode is 7.2 volts in normal mode. The output voltage of the charger for 12 volt mode is 14.6 volts. Power consumption 90 W. The output cable is about 170 cm long 90 cm long Recommended for batteries with a capacity of 4 to 100 Ah