New Maximal Power brand battery. USA Based brand with Warranty and Customer Service. Battery Type: Li-ion. 100% Compatible with original manufacturer equipment. Absolutely no memory effect so that you can charge battery at anytime. Integrated microchip prevents overcharging & lengthens battery life! Capacity: 3.7v 1850mAh (Will NOT affect battery compatibility) Works in the following devices: Nikon Coolpix P600 S810c Replaces the following OEM battery part numbers: ENEL23; EN-EL23