... 6V,7.2V,10.8V,14.4V, 12V,24V,36V 3.Charging current:1A,2A,3A,4A ... charger, Shenzhen LiFePo4 battery chargerSpecifications1. Input voltage: 100-240Vac, 50/60Hz2.Output voltage: 3.6V,7.2V, ... constant current first, and then constant voltage5. Output power: 5W,10W,30W,50W,80W optional6 LED ... red on charging, green after fully charged7. Output short-circuit protection, battery reverse polarity protection8. ...