Black Diamond Icon Headlamp Rechargeable Battery Black. Featuring a sealed waterproof Lithium Ion battery this interchangeable accessory clips to the headband of the Black Diamond Icon Headlamp and has 5200 mA hours capacity and can charge out via USB port. With a power level indicator and push button activated red flasher the Icon Rechargeable Battery is a worthy addition for professionals and adventurers that demand reliable high-output lighting. Specifications for Black Diamond Icon Headlamp Rechargeable Battery: Manufacturer: Black Diamond Battery Type: Stand Alone Lithium Color: Black Features of Black Diamond Icon Headlamp Rechargeable Battery Interchangeable accessory for Icon Lithium Ionbattery Power level indicator USB charge out port Red flasher (push button activated) IPX7: WaterproofBest for saltwater and extremely wet environments. Unit is completely sealed and tested to operate up to 1 meter underwater for 30 minutes. Requires no maintenance after submersion. Only compatible with current Icon headlamp Package Contents: Black Diamond Icon Headlamp Rechargeable Battery Black Diamond BD620548BLAKALL1: Icon Headlamp Rechargeable Battery Black