USB Type C 3A High Current IP2312 Polymer Ternary Lithium Battery Quick Fast Charging Board Charger Module. Specification: Main control chip: IP2312, Input voltage: 4.5~5.5V, Charging cut-off voltage: 4.2V / 4.35V, Charging current: 3A, Indicator light: yes. Not suitable for 3.2V lithium iron phosphate battery.