Bring your digital camera back to life with a new battery. Make sure you never miss another once-in-a-lifetime moment by having a new, EN EL15 battery specifically designed for your Nikon D800 D810 digital SLR camera. EN EL15 rechargeable batteries are engineered to meet or exceed OEM specifications and feature the latest battery technology, including advanced circuitry, voltage regulation, and thermal circuit protection. This battery includes a one-year warranty.