This5.5DC plug USB cable charger is suitable for the Ferei HL08, HL20 and HL40 headlamps, allowing you 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 for full.

Specifications

• Input – 5V 800mA
• Output – 4.2V 800mA
• Length – 50mm
• Compatible with Ferei HL08, HL20, HL40 and HL50 rechargeable head torches