12.6V 3A AC/DC US Plug Adapter Charger for 3S Lithium Li-ion LiPo 18650 Battery 1--For 3S 12.6V Lithium Battery 4AH-20AH 2--AC input: 100V-264V 50-60HZ 3--CC:12.6V, CV:3A 4--AC plug: Euro or US 5--DC plug: 5.5*2.1DC 6--LED Red: Charge;LED green: Full charge 7--Short circuit, over voltage, current limit, overheat, voltage limit protection.