PRO SERIES NIKON Replacement for EN-EL11 / ENEL11 Li Ion Batteries used with Coolpix S550 / S560 Digital Cameras Accessory Power Brand, Non-OEM Equivalent; Replaces Part # : NIKON ENEL11 Specifications: Voltage 3.7V (volts) ; Capacity 800 MAH Free Extended 3 Year Manufacturer's Warranty ; European Quality with Silicon Valley Technology; Customer Satisfaction Guaranteed Chemistry: Lithium Ion Rechargeable - No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits Package Includes: Scratch-Guard Protector Bag, a $6.99 Value!