Black Diamond Distance Head Lamp Battery One Size. ?? Specifications for Black Diamond Distance Headlamp Battery: Manufacturer: Black Diamond Battery Type: Rechargeable Color: No Color Battery Quantity: 1 Quantity: 1 Features of Black Diamond Distance Headlamp Battery 1500mAh at 7.4v battery capacity 11.1-watt hours to get you through the night Package Contents: Black Diamond Distance Headlamp Battery Black Diamond BD6206950000ALL1: Distance Head Lamp Battery One Size