This USB cable charger is compatible with the Night Eyes HL08, HL09, HL50-Q and HL55 Headlamps. This makes it convenient to recharge your battery straight from a computer, USB mobile charger, USB AC charger or USB car charger. It features a LED light indicator with red-green for no battery, red for charging and green when fully charged.
· Input - 5V 800mA
· Output - 4.2V 800mA
· Length – 20 inches
Compatible with the HL08, HL09, HL50-Q and HL55 Headlamps.
**This adapter is NOT compatible with the 7.4v Dual White HL50 Headlamp or any HL08 Headlamp purchased before 2014**