[. . . ] Before use, read the warnings and IMPORTANT The internal temperature of the other information in this manual and battery may rise while the battery in the documentation for your Nikon is in use, especially when the amEN-EL3 rechargeable battery. Federal Communications Commission (FCC) Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. [. . . ] These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. CAUTIONS Modifications The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Nikon Corporation may void the user's authority to operate the equipment. To ensure proper operation, read this manual thoroughly before using this product. After reading, be sure to keep it where it can be seen by all those who use the product. The Nikon MH-18A AC BATTERY CHARGERA AC BATTERY CHARGER can be used to re charge Nikon EN-EL3 rechargeable lithium-ion batteries only. Do not attempt to recharge any other batteries with the MH-18A AC BATTERY CHARGERA AC BATTERY CHARGER. * Take the charger and battery back to your retailer, or to your Nikon representative. [. . . ] * Take the charger and battery back to your retailer, or to your Nikon representative. Do not connect the product to any device not specifically referred to in Dimensions: this manual. [. . . ]