CB11000P Li ion Rechargeable Battery High Power LED Video Light with High Color Rendering Index. The Bigblue CB-10000P LED Aluminum Video Light System delivers a stunning 10,000 lumens light output through COB LED, and an 120 degree perfectly even light spot. The 5000K warm white light reflects the true vibrant colors of the surrounding while diving. The light built-in 6 pieces Red LED to enhance focusing performance. 4 levels of brightness, Red color and SOS controlled by a reliable push button with battery indicator. The 21700x4 rechargeable Li-ion battery pack comes with a smart charger enabling you to charge the battery in a few hours. The 4 steps power adjustment lets you choose between four output levels - IV at 100%, III at 50% , II at 25% or I at 10% extending the burn time and reducing reflections at close range. Replaceable 21700 Li ion rechargeable battery pack BATCELL21700X4. Comes with ball joint and lantern grip handle.