Nikon Coolpix S9100 Digital Camera Replacement Battery - TechFuel Professional EN-EL12 Battery Battery Type: Li-ion; Voltage: 3.7V; Capacity/Energy Storage: 900mAh/3Wh Brand new battery constructed with advanced circuit board technology, including built-in thermal circuit protection for safety and stability. Grade-A cells for faster charging and more efficient power consumption. Precision construction for optimal fit; CE and RoHS certification ensures quality, safety and peace-of-mind. Up to 300 charge cycles over the life of the battery. Friendly and knowledgeable Customer Support Staff available by email or toll-free telephone. No risk 30-day money back guarantee; 1-year full replacement . Built with quality components and rigorous quality control. Operating time will vary depending upon camera/camcorder settings, LCD screen use, etc.