WindFire BC08 Rapid Dual Channel Charger for 18650 Rechargeable Li-Ion Battery with US Plug Wall Li-ion Charger for 18650 Battery Black ,Dual-Slot intelligent charger 2 charging channel & LED indication. Full protection for short-circuit & reverse polarity. Charger Input Voltage : AC 100-240V 50-60 Hz 500mA Max; Charger Output Voltage : DC 4.2V =1A*2 LED indication.Indicator light : Red flashing (charging )--Green (finish charge) . Compatible with 2 pcs rechargeable lithium battery simultaneously.