Battery charger for LiFePO4 cell 1. ... 3A,4A,5A Product Name: Battery charger for LiFePO4 cell, Shenzhen battery charger, Shenzhen LiFePo4 battery chargerSpecifications1. Input voltage: 100 ... first, and then constant voltage5. Output power: 5W,10W,30W,50W,80W optional6 LED indicator: red ... after fully charged7. Output short-circuit protection, battery reverse polarity protection8. Used for charge LiFePO4 ...