Battery for Nikon Coolpix P80, P90, P100, P500, P510, P5000... See List!: Amazon.co.uk: Electronics & Photo
Amazon.com: Synergy Digital Camera Battery, Compatible with Nikon Coolpix P100 Digital Camera, (li-ion, 3.7V, 1100 mAh) Ultra High Capacity, Replacement for Nikon EN-EL5 Battery : Electronics