Nikon BL-4 Battery Chamber Cover for Nikon D-3 Digital Camera: Nikon BL-4 Battery Chamber Cover for Nikon D-3 Digital Camera is a lightweight and durable battery cover which is designed for Nikon D3 digital camera and can be used with Nikon D3s and D3x DSLR cameras. This is a replacement battery chamber cover which is ideal to use for action shots, functions, traveling and everyday photography. This cover includes a retention clip which assures you to keep the batteries safe and secure in the chamber. The Nikon BL-4 is most used by customers who consider themselves to be a Semi-professional among others. The Nikon BL-4 is a spare battery chamber cover for the EN-EL4 and EN-EL4a battery used in the Nikon D3, D3S and D3X models. It can be install and remove easily.
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