Bullet Point 1 Kastar Battery Utra-high Capacity. Use high quality Japanese Cells for longer battery life with no Memory Effect. Bullet Point 2 Kastar Dual Fast Charger, wide range compatibility, it can charge for batteries with 6.8V-16.8V of any capacity. Control MCU can automatically identify the voltage of the battery, going intelligent charge when being charging, and prevent overcharge. Bullet Point 3 Intelligent Dual Fast charger LCD displays charging status, battery capacity, it can charge two batteries at the same time, change different plate, suitable for most of digital batteries. Bullet Point 4 Charging type is CC/CV with well reliability and high efficiency, with the function of pre-charging and li-ion battery 0V activation which can effectively extend battery life. Bullet Point 5 All Items 100% Compatible with Original Cameras and Chargers. All Items Include 30-DAY Money Back and 3-YEAR Manufacturer Warranty. Description Details Package Includes: 4 x EN-EL4 Battery 1 x LCD Dual Fast Charger 1 x Car Charger 1 x European Plug 1 x Wall Outlet Power Cord Note: Batteries shoud be charged with the Kastar charger to obtain a full charge. Battery Compatible: Nikon EN-EL4 Nikon EN-EL4a Charger Compatible: Nikon EN-EL4 Nikon EN-EL4a Compatible the following models: Nikon Camera D2Z Nikon Camera D2H Nikon Camera D2Hs Nikon Camera D2X Nikon Camera D2Xs Nikon Camera D3 Nikon Camera D3S Nikon Camera D3X Nikon Camera F6 Nikon Grip MB-D10 D300 D300S D700 MB-40 (Note: Need an extra BL-3 Battery Chamber Cover) Quality Price Value