Specifications: Brand: Creabest Compatible Brand: Nikon Battery Type: Nikon EN-EL4a Capacity: 3100mAh Battery Voltage: 11.1V Battery Power: 34.4W Compatible Series: Nikon D2H/D2Hs/D2X/F6/D2Xs/D2Z/D3/D3X/D3S Replace Battery: Nikon EN-EL4, EN-EL4a, EN-EL4e Package Contents: 1Pcs Nikon EN-EL4a Battery Product Decription: 1. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 2. Quality product- 100 % compatible with original battery due to perfect size and fitting including alle electronic safety features. 3. Certified for safety- our batteries are manufactured after highest and strict european quality standards. Have passed the authentication of a CE safety system.