Black Diamond Megawatt Headlamp Battery Black All Sizes. 32Wh rechargeable battery built for the Megawatt Headlamp. Featuring an LCD screen that reports runtime info and a 4 hour max output of lighting this battery also includes a USB-C charge-out port for your devices making this battery a versatile tool in the field. Specifications for Black Diamond Megawatt Headlamp Battery: Manufacturer: Black Diamond Color: Black Features of Black Diamond Megawatt Headlamp Battery 50.32Wh battery with LCD screen for burn time report 4 hours of burn time at max output USB-C fast charge in and out IP67: Waterproof and dustproof. Sealed housing withstands immersion up to 1m for 30 minutes Package Contents: Black Diamond Megawatt Headlamp Battery Black Diamond BD6207220002ALL1: Megawatt Headlamp Battery Black All Sizes