... 3A,4A,5A Product Name: Battery charger for LiFePO4 cell, Shenzhen battery charger, Shenzhen LiFePo4 battery chargerSpecifications1. Input voltage: 100-240Vac ... current first, and then constant voltage5. Output power: 5W,10W,30W,50W,80W optional6 LED indicator ... short-circuit protection, battery reverse polarity protection8. Used for charge LiFePO4 Lithium iron phosphate battery pack of 2AH-20AHCE,RoHS ...